24AA64F [MICROCHIP]
64K I2C™ Serial EEPROM with Quarter-Array Write-Protect; 64K I2C ™串行EEPROM ,具有四分之一阵列写保护型号: | 24AA64F |
厂家: | MICROCHIP |
描述: | 64K I2C™ Serial EEPROM with Quarter-Array Write-Protect |
文件: | 总30页 (文件大小:470K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
24AA64F/24LC64F
64K I2C™ Serial EEPROM with Quarter-Array Write-Protect
Device Selection Table
Description:
Part
Number
VCC
Range
Max. Clock
Frequency
Temp.
Ranges
The Microchip Technology Inc. 24AA64F/24LC64F
(24XX64F*) is a 64 Kbit Electrically Erasable PROM.
The device is organized as a single block of 8K x 8-bit
memory with a 2-wire serial interface. Low-voltage
design permits operation down to 1.7V, with standby
and read currents of only 1 μA and 400 μA,
24AA64F
24LC64F
1.7-5.5
2.5-5.5
400 kHz(1)
400 kHz
I
I, E
Note 1: 100 kHz for VCC <2.5V.
respectively. It has been developed for advanced, low-
power applications such as personal communications
or data acquisition. The 24XX64F also has a page
write capability for up to 32 bytes of data. Functional
address lines allow up to eight devices on the same
bus, for up to 512 Kbits address space. The 24XX64F
is available in the standard 8-pin PDIP, surface mount
SOIC, TSSOP, TDFN and MSOP packages. The
24XX64F is also available in the 5-lead SOT-23
package.
Features:
• Single-Supply with Operation down to 1.7V for
24AA64F devices, 2.5V for 24LC64F devices
• Low-Power CMOS Technology:
- Read current 400 μA, max.
- Standby current 1 μA, max. (I-temp)
• 2-Wire Serial Interface, I2C™ Compatible
• Packages with 3 Address Pins are cascadable up
to 8 Devices
Block Diagram
• Schmitt Trigger Inputs for Noise Suppression
• Output Slope Control to Eliminate Ground Bounce
• 100 kHz and 400 kHz Clock Compatibility
• Page Write Time 5 ms, typical
HV
A0 A1 A2WP
Generator
I/O
Control
Logic
Memory
Control
Logic
EEPROM
Array
• Self-timed Erase/Write Cycle
XDEC
• 32-Byte Page Write Buffer
Page
Latches
• Hardware Write-protect for 1/4 Array
(1800h-1FFFh)
I/O
• ESD Protection > 4,000V
SCL
YDEC
• More than 1 Million Erase/Write Cycles
• Data Retention > 200 Years
SDA
• Factory Programming Available
VCC
VSS
• Packages include 8-lead PDIP, SOIC, TSSOP,
MSOP, TDFN, 5-lead SOT-23
Sense Amp.
R/W Control
• Pb-Free and RoHS Compliant
• Temperature Ranges:
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Package Types
PDIP/MSOP/SOIC/TSSOP
DFN/TDFN
SOT-23
A0
1
8
VCC
SCL
VSS
WP
5
4
1
2
1
VCC
WP
A0
A1
8
7
6
5
A1
A2
2
3
7
6
WP
2
3
4
SCL
SDA
A2
SCL
VSS
VCC
3
SDA
VSS
4
5
SDA
* 24XX64F is used in this document as a generic part number for the 24AA64F/24LC64F devices.
© 2009 Microchip Technology Inc.
DS22154A-page 1
24AA64F/24LC64F
1.0
ELECTRICAL CHARACTERISTICS
(†)
Absolute Maximum Ratings
VCC.............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. VSS ......................................................................................................... -0.3V to VCC +1.0V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied................................................................................................-40°C to +125°C
ESD protection on all pins ......................................................................................................................................................≥ 4 kV
† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating
conditions for extended periods may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Industrial (I):
TA = -40°C to +85°C, VCC = +1.7V to +5.5V
DC CHARACTERISTICS
Automotive (E): TA = -40°C to +125°C, VCC = +2.5V to +5.5V
Param.
Sym.
No.
Characteristic
Min.
Typ.
Max.
Units
Conditions
—
A0, A1, A2, WP, SCL
and SDA pins
—
—
—
—
—
—
D1
D2
VIH
VIL
High-level input voltage
Low-level input voltage
0.7 VCC
—
—
—
—
V
0.3 VCC
0.2 VCC
V
V
VCC ≥ 2.5V
VCC < 2.5V
D3
D4
VHYS
VOL
Hysteresis of Schmitt
Trigger inputs (SDA,
SCL pins)
0.05 VCC
—
—
—
—
V
VCC ≥ 2.5V (Note 1)
Low-level output voltage
0.40
V
IOL = 3.0 mA @ VCC = 4.5V
IOL = 2.1 mA @ VCC = 2.5V
D5
D6
D7
ILI
Input leakage current
Output leakage current
—
—
—
—
—
—
±1
±1
10
μA
μA
pF
VIN = VSS or VCC
ILO
VOUT = VSS or VCC
CIN,
Pin capacitance
VCC = 5.0V (Note 1)
COUT
(all inputs/outputs)
TA = 25°C, FCLK = 1 MHz
D8
ICC write Operating current
—
—
0.1
3
mA
VCC = 5.5V, SCL = 400 kHz
D9
ICC read
0.05
400
μA
D10
ICCS
Standby current
—
—
.01
—
1
5
μA
μA
Industrial
Automotive
SDA = SCL = VCC
A0, A1, A2, WP = VSS
Note 1: This parameter is periodically sampled and not 100% tested.
2: Typical measurements taken at room temperature.
DS22154A-page 2
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
TABLE 1-2:
AC CHARACTERISTICS
Electrical Characteristics:
Industrial (I): VCC = +1.7V to 5.5V TA = -40°C to +85°C
Automotive (E): VCC = +2.5V to 5.5V TA = -40°C to 125°C
AC CHARACTERISTICS
Param.
Sym.
No.
Characteristic
Clock frequency
Min.
Max.
Units
Conditions
1
2
3
4
5
6
7
FCLK
THIGH
TLOW
TR
—
—
100
400
kHz 1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
Clock high time
Clock low time
4000
600
—
—
ns
ns
ns
ns
ns
ns
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
4700
1300
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
SDA and SCL rise time
(Note 1)
—
—
1000
300
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
TF
SDA and SCL fall time
(Note 1)
—
300
—
THD:STA Start condition hold time
TSU:STA Start condition setup time
4000
600
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
4700
600
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
8
9
THD:DAT Data input hold time
TSU:DAT Data input setup time
0
—
ns
ns
(Note 2)
250
100
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
10
11
12
13
14
TSU:STO Stop condition setup time
TSU:WP WP setup time
4000
600
—
—
ns
ns
ns
ns
ns
1.7 V ≤ VCC < 2.5V
2.5 V ≤ VCC ≤ 5.5V
4000
600
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
THD:WP WP hold time
4700
1300
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
TAA
Output valid from clock
—
—
3500
900
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
(Note 2)
TBUF
Bus free time: Time the bus
must be free before a new
transmission can start
4700
1300
—
—
1.7V ≤ VCC < 2.5V
2.5V ≤ VCC ≤ 5.5V
15
TOF
Output fall time from VIH
minimum to VIL maximum
CB ≤ 100 pF
10 + 0.1CB
250
ns
(Note 1)
16
17
18
TSP
TWC
—
Input filter spike suppression
(SDA and SCL pins)
—
—
50
5
ns
(Notes 1 and 3)
Write cycle time (byte or
page)
ms
—
Endurance
1,000,000
—
cycles 25°C (Note 4)
Note 1: Not 100% tested. CB = total capacitance of one bus line in pF.
2: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
3: The combined TSP and VHYS specifications are due to new Schmitt Trigger inputs, which provide improved
noise spike suppression. This eliminates the need for a TI specification for standard operation.
4: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model, which can be obtained from Microchip’s web site
at www.microchip.com.
© 2009 Microchip Technology Inc.
DS22154A-page 3
24AA64F/24LC64F
FIGURE 1-1:
BUS TIMING DATA
5
4
D4
2
SCL
7
3
10
8
9
SDA
IN
6
16
14
12
13
SDA
OUT
(protected)
WP
11
(unprotected)
DS22154A-page 4
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
The descriptions of the pins are listed in Table 2-1.
2.0
PIN DESCRIPTIONS
TABLE 2-1:
Name
PIN FUNCTION TABLE
PDIP
SOIC
TSSOP
TDFN
MSOP
SOT-23
Description
Chip Address Input
A0
A1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
—
—
—
2
Chip Address Input
Chip Address Input
Ground
A2
VSS
SDA
SCL
WP
VCC
3
Serial Address/Data I/O
Serial Clock
1
5
Write-Protect Input
+1.7V to 5.5V Power Supply
4
2.1
A0, A1, A2 Chip Address Inputs
2.3
Serial Clock (SCL)
The A0, A1 and A2 inputs are used by the 24XX64F for
multiple device operation. The levels on these inputs
are compared with the corresponding bits in the slave
address. The chip is selected if the compare is true.
The SCL input is used to synchronize the data transfer
from and to the device.
2.4
Write-Protect (WP)
Up to eight devices may be connected to the same bus
by using different Chip Select bit combinations. These
inputs must be connected to either VCC or VSS.
This pin must be connected to either VSS or VCC. If tied
to VSS, write operations are enabled. If tied to VCC,
write operations are inhibited for upper 1/4 of the array
(1800h-1FFFh), but read operations are not affected.
In most applications, the chip address inputs A0, A1
and A2 are hard-wired to logic ‘0’ or logic ‘1’. For
applications in which these pins are controlled by a
microcontroller or other programmable device, the chip
address pins must be driven to logic ‘0’ or logic ‘1’
before normal device operation can proceed. Address
pins are not available in the SOT-23 package.
3.0
FUNCTIONAL DESCRIPTION
The 24XX64F supports a bidirectional, 2-wire bus and
data transmission protocol. A device that sends data
onto the bus is defined as transmitter, while a device
receiving data is defined as a receiver. The bus has to
be controlled by a master device which generates the
Serial Clock (SCL), controls the bus access and
generates the Start and Stop conditions, while the
24XX64F works as slave. Both master and slave can
operate as transmitter or receiver, but the master
device determines which mode is activated.
2.2
Serial Data (SDA)
SDA is a bidirectional pin used to transfer addresses
and data into and out of the device. Since it is an open-
drain terminal, the SDA bus requires a pull-up resistor
to VCC (typical 10 kΩ for 100 kHz, 2 kΩ for 400 kHz).
For normal data transfer, SDA is allowed to change
only during SCL low. Changes during SCL high are
reserved for indicating the Start and Stop conditions.
© 2009 Microchip Technology Inc.
DS22154A-page 5
24AA64F/24LC64F
The data on the line must be changed during the low
period of the clock signal. There is one clock pulse per
bit of data.
4.0
BUS CHARACTERISTICS
The following bus protocol has been defined:
• Data transfer may be initiated only when the bus
is not busy
Each data transfer is initiated with a Start condition and
terminated with a Stop condition. The number of data
bytes transferred between Start and Stop conditions is
determined by the master device and is, theoretically,
unlimited (although only the last thirty two will be stored
when doing a write operation). When an overwrite does
occur, it will replace data in a first-in first-out (FIFO)
fashion.
• During data transfer, the data line must remain
stable whenever the clock line is high. Changes in
the data line while the clock line is high will be
interpreted as a Start or Stop condition
Accordingly, the following bus conditions have been
defined (Figure 4-1).
4.5
Acknowledge
4.1
Bus Not Busy (A)
Each receiving device, when addressed, is obliged to
generate an acknowledge after the reception of each
byte. The master device must generate an extra clock
pulse which is associated with this Acknowledge bit.
Both data and clock lines remain high.
4.2
Start Data Transfer (B)
A high-to-low transition of the SDA line while the clock
(SCL) is high determines a Start condition. All
commands must be preceded by a Start condition.
Note:
The 24XX64F does not generate any
Acknowledge bits if an internal
programming cycle is in progress.
The device that acknowledges has to pull down the
SDA line during the Acknowledge clock pulse in such a
way that the SDA line is stable low during the high
period of the acknowledge related clock pulse. Of
course, setup and hold times must be taken into
account. During reads, a master must signal an end of
data to the slave by not generating an Acknowledge bit
on the last byte that has been clocked out of the slave.
In this case, the slave (24XX64F) will leave the data
line high to enable the master to generate the Stop
condition.
4.3
Stop Data Transfer (C)
A low-to-high transition of the SDA line while the clock
(SCL) is high determines a Stop condition. All
operations must be ended with a Stop condition.
4.4
Data Valid (D)
The state of the data line represents valid data when,
after a Start condition, the data line is stable for the
duration of the high period of the clock signal.
FIGURE 4-1:
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
(A)
(B)
(D)
(D)
(C) (A)
SCL
SDA
Start
Condition
Stop
Condition
Address or
Acknowledge
Valid
Data
Allowed
to Change
DS22154A-page 6
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
FIGURE 5-1:
CONTROL BYTE FORMAT
5.0
DEVICE ADDRESSING
Read/Write Bit
A control byte is the first byte received following the
Start condition from the master device (Figure 5-1).
The control byte consists of a four-bit control code. For
the 24XX64F, this is set as ‘1010’ binary for read and
write operations. The next three bits of the control byte
are the Chip Select bits (A2, A1, A0). The Chip Select
bits allow the use of up to eight 24XX64F devices on
the same bus and are used to select which device is
accessed. The Chip Select bits in the control byte must
correspond to the logic levels on the corresponding A2,
A1 and A0 pins for the device to respond. These bits
are, in effect, the three Most Significant bits of the word
address.
Chip Select
Control Code
Bits
S
1
0
1
0
A2 A1 A0 R/W ACK
Slave Address
Acknowledge Bit
Start Bit
5.1
Contiguous Addressing Across
Multiple Devices
For the SOT-23 package, the address pins are not
available. During device addressing, the A2, A1 and A0
Chip Select bits (Figure 5-2) should be set to ‘0’.
The Chip Select bits A2, A1 and A0 can be used to
expand the contiguous address space for up to 512K
bits by adding up to eight 24XX64F devices on the
same bus. In this case, software can use A0 of the con-
trol byte as address bit A13; A1 as address bit A14; and
A2 as address bit A15. It is not possible to sequentially
read across device boundaries.
The last bit of the control byte defines the operation to
be performed. When set to a ‘1’, a read operation is
selected. When set to a ‘0’, a write operation is
selected. The next two bytes received define the
address of the first data byte (Figure 5-2). Because
only A12...A0 are used, the upper-three address bits
are “don’t care” bits. The upper-address bits are
transferred first, followed by the Less Significant bits.
The SOT-23 package does not support multiple device
addressing on the same bus.
Following the Start condition, the 24XX64F monitors
the SDA bus, checking the device-type identifier being
transmitted. Upon receiving a ‘1010’ code and appro-
priate device-select bits, the slave device outputs an
Acknowledge signal on the SDA line. Depending on the
state of the R/W bit, the 24XX64F will select a read or
write operation.
FIGURE 5-2:
ADDRESS SEQUENCE BIT ASSIGNMENTS
Control Byte
Address High Byte
Address Low Byte
A
A
2
A
1
A
0
A
A
A
9
A
8
A
7
A
0
•
•
•
•
•
•
1
0
1
0
R/W
x
x
x
12 11 10
Control
Code
Chip
Select
bits
x= “don’t care” bit
© 2009 Microchip Technology Inc.
DS22154A-page 7
24AA64F/24LC64F
6.2
Page Write
6.0
6.1
WRITE OPERATIONS
Byte Write
The write control byte, word address and the first data
byte are transmitted to the 24XX64F in the same way
as in a byte write. However, instead of generating a
Stop condition, the master transmits up to 31 additional
bytes which are temporarily stored in the on-chip page
buffer and will be written into memory once the master
has transmitted a Stop condition. Upon receipt of each
word, the five lower Address Pointer bits are internally
incremented by one. If the master should transmit more
than 32 bytes prior to generating the Stop condition, the
address counter will roll over and the previously
received data will be overwritten. As with the byte write
operation, once the Stop condition is received, an inter-
nal write cycle will begin (Figure 6-2). If an attempt is
made to write to the array with the WP pin held high, the
device will acknowledge the command, but no write
cycle will occur, no data will be written, and the device
will immediately accept a new command.
Following the Start condition from the master, the
control code (four bits), the Chip Select (three bits) and
the R/W bit (which is a logic low) are clocked onto the
bus by the master transmitter. This indicates to the
addressed slave receiver that the address high byte will
follow once it has generated an Acknowledge bit during
the ninth clock cycle. Therefore, the next byte transmit-
ted by the master is the high-order byte of the word
address and will be written into the Address Pointer of
the 24XX64F. The next byte is the Least Significant
Address Byte. After receiving another Acknowledge
signal from the 24XX64F, the master device will trans-
mit the data word to be written into the addressed mem-
ory location. The 24XX64F acknowledges again and
the master generates a Stop condition. This initiates
the internal write cycle and, during this time, the
24XX64F will not generate Acknowledge signals
(Figure 6-1). If an attempt is made to write to the array
with the WP pin held high, the device will acknowledge
the command, but no write cycle will occur, no data will
be written and the device will immediately accept a new
command. After a byte Write command, the internal
address counter will point to the address location fol-
lowing the one that was just written.
Note:
Page write operations are limited to writing
bytes within a single physical page,
regardless of the number of bytes
actually being written. Physical page
boundaries start at addresses that are
integer multiples of the page buffer size (or
‘page size’) and end at addresses that are
integer multiples of [page size – 1]. If a
Page Write command attempts to write
across a physical page boundary, the
result is that the data wraps around to the
beginning of the current page (overwriting
data previously stored there), instead of
being written to the next page, as might be
expected. It is therefore necessary for the
application software to prevent page write
operations that would attempt to cross a
page boundary.
6.3
Write Protection
The WP pin allows the user to write-protect 1/4 of the
array (1800h-1FFFh) when the pin is tied to VCC. If tied
to VSS the write protection is disabled. The WP pin is
sampled at the Stop bit for every Write command
(Figure 4-1). Toggling the WP pin after the Stop bit will
have no effect on the execution of the write cycle.
DS22154A-page 8
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
FIGURE 6-1:
BYTE WRITE
S
T
Bus Activity
Master
S
Control
A
Address
High Byte
Address
Low Byte
T
O
P
Byte
R
T
Data
A A A
S 1 0 1 0
2 1 0
SDA Line
x x x
0
P
A
C
K
A
C
K
A
C
K
A
C
K
Bus Activity
x= “don’t care” bit
FIGURE 6-2:
PAGE WRITE
S
T
A
R
T
S
T
O
P
Control
Byte
Address
High Byte
Address
Low Byte
Bus Activity
Master
Data Byte 0
Data Byte 31
A A A
SDA Line
x x x
P
S
10 1 0
0
2 1 0
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
Bus Activity
x= “don’t care” bit
© 2009 Microchip Technology Inc.
DS22154A-page 9
24AA64F/24LC64F
FIGURE 7-1:
ACKNOWLEDGE POLLING
FLOW
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge during a write
cycle, this can be used to determine when the cycle is
complete (this feature can be used to maximize bus
throughput). Once the Stop condition for a Write
command has been issued from the master, the device
initiates the internally-timed write cycle and ACK polling
can then be initiated immediately. This involves the
master sending a Start condition followed by the control
byte for a Write command (R/W = 0). If the device is still
busy with the write cycle, then no ACK will be returned.
If no ACK is returned, the Start bit and control byte must
be re-sent. If the cycle is complete, the device will
return the ACK and the master can then proceed with
the next Read or Write command. See Figure 7-1 for a
flow diagram of this operation.
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
Send Control Byte
with R/W = 0
Did Device
Acknowledge
(ACK = 0)?
No
Yes
Next
Operation
DS22154A-page 10
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
This terminates the write operation, but not before
the internal Address Pointer is set. The master then
issues the control byte again, but with the R/W bit set
to a one. The 24XX64F will then issue an acknowl-
edge and transmit the 8-bit data word. The master
will not acknowledge the transfer, but does generate
a Stop condition, which causes the 24XX64F to
8.0
READ OPERATION
Read operations are initiated in the same way as write
operations, with the exception that the R/W bit of the
control byte is set to one. There are three basic types
of read operations: current address read, random read
and sequential read.
discontinue transmission (Figure 8-2). After
a
random Read command, the internal address coun-
ter will point to the address location following the one
that was just read.
8.1
Current Address Read
The 24XX64F contains an address counter that main-
tains the address of the last word accessed, internally
incremented by one. Therefore, if the previous read
access was to address ‘n’ (n is any legal address), the
next current address read operation would access data
from address n + 1.
8.3
Sequential Read
Sequential reads are initiated in the same way as
random reads, except that once the 24XX64F transmits
the first data byte, the master issues an acknowledge as
opposed to the Stop condition used in a random read.
This acknowledge directs the 24XX64F to transmit the
next sequentially-addressed 8-bit word (Figure 8-3).
Following the final byte being transmitted to the master,
the master will NOT generate an acknowledge, but will
generate a Stop condition. To provide sequential reads,
the 24XX64F contains an internal Address Pointer
which is incremented by one at the completion of each
operation. This Address Pointer allows the entire
memory contents to be serially read during one opera-
tion. The internal Address Pointer will automatically roll
over from address 1FFF to address 0000 if the master
acknowledges the byte received from the array address
1FFF.
Upon receipt of the control byte with R/W bit set to one,
the 24XX64F issues an acknowledge and transmits the
eight-bit data word. The master will not acknowledge
the transfer, but does generate a Stop condition and the
24XX64F discontinues transmission (Figure 8-1).
8.2
Random Read
Random read operations allow the master to access
any memory location in a random manner. To
perform this type of read operation, the word address
must first be set. This is accomplished by sending
the word address to the 24XX64F as part of a write
operation (R/W bit set to ‘0’). Once the word address
is sent, the master generates a Start condition
following the acknowledge.
FIGURE 8-1:
CURRENT ADDRESS READ
S
Bus Activity
Master
T
A
R
Control
Byte
S
T
Data (n)
O
P
T
SDA Line
S
P
A
C
K
N
O
Bus Activity
A
C
K
© 2009 Microchip Technology Inc.
DS22154A-page 11
24AA64F/24LC64F
FIGURE 8-2:
RANDOM READ
S
S
T
A
R
T
Bus Activity
Master
T
A
R
T
S
T
O
P
Control
Byte
Address
High Byte
Address
Low Byte
Control
Byte
Data
Byte
A A A
2 1 0
A A A
2 1 0
SDA Line
x x x
S 1 0 1 0
0
S 1 01 0
1
P
A
C
K
A
C
K
A
C
K
N
O
A
C
K
A
C
K
Bus Activity
x= “don’t care” bit
FIGURE 8-3:
SEQUENTIAL READ
S
T
O
P
Bus Activity
Master
Control
Data n
Byte
Data n + 1
Data n + 2
Data n + x
P
SDA Line
A
C
K
A
C
K
A
C
K
A
C
K
N
O
A
C
K
Bus Activity
DS22154A-page 12
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
9.0
9.1
PACKAGING INFORMATION
Package Marking Information
8-Lead PDIP (300 mil)
Example:
24LC64F
XXXXXXXX
T/XXXNNN
I/P
13F
e
3
YYWW
0527
8-Lead SOIC (3.90 mm)
Example:
24LC64FI
XXXXXXXT
e
3
XXXXYYWW
SN
0527
13F
NNN
Example:
8-Lead TSSOP
4LBF
I527
13F
XXXX
TYWW
NNN
Example:
8-Lead MSOP
4L64FI
XXXXXT
52713F
YWWNNN
8-Lead 2x3 TDFN
Example:
XXX
YWW
NN
AT4
527
I3
© 2009 Microchip Technology Inc.
DS22154A-page 13
24AA64F/24LC64F
5-Lead SOT-23
Example:
7MNN
XXNN
1st Line Marking Codes
TDFN
Part Number
TSSOP
MSOP
SOT-23
I Temp.
AT1
E Temp.
—
I Temp.
7MNN
7QNN
E Temp.
—
24AA64F
24LC64F
4ABF
4LBF
4A64FT
4L64FT
AT4
AT5
7RNN
Note:
T = Temperature grade (I, E)
Legend: XX...X Part number or part number code
T
Temperature (I, E)
Y
Year code (last digit of calendar year)
YY
WW
NNN
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code (2 characters for small packages)
Pb-free JEDEC designator for Matte Tin (Sn)
e
3
Note: For very small packages with no room for the Pb-free JEDEC designator
, the marking will only appear on the outer carton or reel label.
3
e
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
DS22154A-page 14
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢆꢏꢐꢁꢂꢋꢐꢃꢆꢑꢇꢒꢆMꢆꢓꢔꢔꢆꢕꢋꢈꢆꢖꢗꢅꢘꢆꢙꢇꢍꢏꢇꢚ
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ꢀꢁ ꢂꢃꢄꢅꢀꢅ ꢃ!"ꢆꢇꢅꢃꢄ#ꢈ$ꢅ%ꢈꢆ&"ꢉꢈꢅ'ꢆꢊꢅ ꢆꢉꢊ(ꢅ)"&ꢅ'"!&ꢅ)ꢈꢅꢇꢋꢌꢆ&ꢈ#ꢅ*ꢃ&ꢍꢅ&ꢍꢈꢅꢍꢆ&ꢌꢍꢈ#ꢅꢆꢉꢈꢆꢁ
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1ꢐ,2ꢅ1ꢆ!ꢃꢌꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄꢁꢅꢙꢍꢈꢋꢉꢈ&ꢃꢌꢆꢇꢇꢊꢅꢈ$ꢆꢌ&ꢅ ꢆꢇ"ꢈꢅ!ꢍꢋ*ꢄꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ!ꢁ
ꢔꢃꢌꢉꢋꢌꢍꢃꢓ ꢙꢈꢌꢍꢄꢋꢇꢋꢑꢊ ꢒꢉꢆ*ꢃꢄꢑ ,ꢕꢖꢞꢕꢀ<1
© 2009 Microchip Technology Inc.
DS22154A-page 15
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆ ꢕꢄꢈꢈꢆ!ꢎꢊꢈꢋꢐꢃꢆꢑ ꢛꢒꢆMꢆꢛꢄ""ꢗ#$ꢆꢓ%&ꢔꢆꢕꢕꢆꢖꢗꢅꢘꢆꢙ !ꢏ'ꢚ
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ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
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e
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E1
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2
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α
h
b
h
c
φ
A2
A
L
A1
L1
β
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ꢐ&ꢆꢄ#ꢋ%%ꢅꢅꢏ
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1ꢐ,2 1ꢆ!ꢃꢌꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄꢁꢅꢙꢍꢈꢋꢉꢈ&ꢃꢌꢆꢇꢇꢊꢅꢈ$ꢆꢌ&ꢅ ꢆꢇ"ꢈꢅ!ꢍꢋ*ꢄꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ!ꢁ
ꢝ.32 ꢝꢈ%ꢈꢉꢈꢄꢌꢈꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄ(ꢅ"!"ꢆꢇꢇꢊꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ(ꢅ%ꢋꢉꢅꢃꢄ%ꢋꢉ'ꢆ&ꢃꢋꢄꢅꢓ"ꢉꢓꢋ!ꢈ!ꢅꢋꢄꢇꢊꢁ
ꢔꢃꢌꢉꢋꢌꢍꢃꢓ ꢙꢈꢌꢍꢄꢋꢇꢋꢑꢊ ꢒꢉꢆ*ꢃꢄꢑ ,ꢕꢖꢞꢕꢘꢜ1
DS22154A-page 16
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆ ꢕꢄꢈꢈꢆ!ꢎꢊꢈꢋꢐꢃꢆꢑ ꢛꢒꢆMꢆꢛꢄ""ꢗ#$ꢆꢓ%&ꢔꢆꢕꢕꢆꢖꢗꢅꢘꢆꢙ !ꢏ'ꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
© 2009 Microchip Technology Inc.
DS22154A-page 17
24AA64F/24LC64F
(ꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆ ꢕꢄꢈꢈꢆ!ꢎꢊꢈꢋꢐꢃꢆ)"ꢄꢐꢉꢋꢉꢊꢗ"ꢆꢑ!)ꢒꢆꢙ !)ꢁ*ꢓꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
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b
N
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3
2
1
e
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D
A2
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φ
A1
L
L1
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: ꢈꢉꢆꢇꢇꢅ8ꢈꢃꢑꢍ&
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅꢙꢍꢃꢌ4ꢄꢈ!!
ꢐ&ꢆꢄ#ꢋ%%
: ꢈꢉꢆꢇꢇꢅ>ꢃ#&ꢍ
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: ꢈꢉꢆꢇꢇꢅ9ꢈꢄꢑ&ꢍ
3ꢋꢋ&ꢅ9ꢈꢄꢑ&ꢍ
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9ꢈꢆ#ꢅꢙꢍꢃꢌ4ꢄꢈ!!
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M
M
M
M
M
M
M
M
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ꢀꢁꢖꢘ
ꢀꢁ-ꢕ
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-ꢕꢟ
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ꢕꢁꢕ<
ꢕꢁꢎꢕ
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ꢕꢁꢘꢀ
ꢛꢗꢊꢃꢉꢜ
ꢀꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄ!ꢅꢒꢅꢆꢄ#ꢅ.ꢀꢅ#ꢋꢅꢄꢋ&ꢅꢃꢄꢌꢇ"#ꢈꢅ'ꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢁꢅꢔꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢅ!ꢍꢆꢇꢇꢅꢄꢋ&ꢅꢈ$ꢌꢈꢈ#ꢅꢕꢁꢀꢎꢜꢅ''ꢅꢓꢈꢉꢅ!ꢃ#ꢈꢁ
ꢎꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄꢃꢄꢑꢅꢆꢄ#ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢃꢄꢑꢅꢓꢈꢉꢅꢗꢐꢔ.ꢅ0ꢀꢖꢁꢘꢔꢁ
1ꢐ,2 1ꢆ!ꢃꢌꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄꢁꢅꢙꢍꢈꢋꢉꢈ&ꢃꢌꢆꢇꢇꢊꢅꢈ$ꢆꢌ&ꢅ ꢆꢇ"ꢈꢅ!ꢍꢋ*ꢄꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ!ꢁ
ꢔꢃꢌꢉꢋꢌꢍꢃꢓ ꢙꢈꢌꢍꢄꢋꢇꢋꢑꢊ ꢒꢉꢆ*ꢃꢄꢑ ,ꢕꢖꢞꢕꢛꢀ1
DS22154A-page 18
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆ)+ꢋꢐꢆ +"ꢋꢐ,ꢆ ꢕꢄꢈꢈꢆ!ꢎꢊꢈꢋꢐꢃꢆꢑ )ꢒꢆMꢆ-%-ꢆꢕꢕꢆꢖꢗꢅꢘꢆꢙ) !ꢇꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
D
N
E
E1
NOTE 1
1
2
b
e
c
φ
A
A2
A1
L
L1
6ꢄꢃ&!
ꢔꢚ99ꢚꢔ.ꢙ.ꢝꢐ
ꢒꢃ'ꢈꢄ!ꢃꢋꢄꢅ9ꢃ'ꢃ&!
ꢔꢚ7
7:ꢔ
ꢔꢗ;
7"')ꢈꢉꢅꢋ%ꢅꢂꢃꢄ!
ꢂꢃ&ꢌꢍ
7
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ꢕꢁ?ꢘꢅ1ꢐ,
: ꢈꢉꢆꢇꢇꢅ8ꢈꢃꢑꢍ&
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅꢙꢍꢃꢌ4ꢄꢈ!!
ꢐ&ꢆꢄ#ꢋ%%ꢅ
ꢗ
M
ꢕꢁ<ꢕ
ꢕꢁꢕꢘ
M
ꢀꢁꢕꢕ
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?ꢁꢖꢕꢅ1ꢐ,
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅ>ꢃ#&ꢍ
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅ9ꢈꢄꢑ&ꢍ
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9ꢈꢆ#ꢅ>ꢃ#&ꢍ
9ꢀ
ꢀ
ꢀꢁꢕꢕꢅꢝ.3
ꢕꢟ
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ꢕꢁꢎꢕ
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ꢛꢗꢊꢃꢉꢜ
ꢀꢁ ꢂꢃꢄꢅꢀꢅ ꢃ!"ꢆꢇꢅꢃꢄ#ꢈ$ꢅ%ꢈꢆ&"ꢉꢈꢅ'ꢆꢊꢅ ꢆꢉꢊ(ꢅ)"&ꢅ'"!&ꢅ)ꢈꢅꢇꢋꢌꢆ&ꢈ#ꢅ*ꢃ&ꢍꢃꢄꢅ&ꢍꢈꢅꢍꢆ&ꢌꢍꢈ#ꢅꢆꢉꢈꢆꢁ
ꢎꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄ!ꢅꢒꢅꢆꢄ#ꢅ.ꢀꢅ#ꢋꢅꢄꢋ&ꢅꢃꢄꢌꢇ"#ꢈꢅ'ꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢁꢅꢔꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢅ!ꢍꢆꢇꢇꢅꢄꢋ&ꢅꢈ$ꢌꢈꢈ#ꢅꢕꢁꢀꢘꢅ''ꢅꢓꢈꢉꢅ!ꢃ#ꢈꢁ
-ꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄꢃꢄꢑꢅꢆꢄ#ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢃꢄꢑꢅꢓꢈꢉꢅꢗꢐꢔ.ꢅ0ꢀꢖꢁꢘꢔꢁ
1ꢐ,2 1ꢆ!ꢃꢌꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄꢁꢅꢙꢍꢈꢋꢉꢈ&ꢃꢌꢆꢇꢇꢊꢅꢈ$ꢆꢌ&ꢅ ꢆꢇ"ꢈꢅ!ꢍꢋ*ꢄꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ!ꢁ
ꢝ.32 ꢝꢈ%ꢈꢉꢈꢄꢌꢈꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄ(ꢅ"!"ꢆꢇꢇꢊꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ(ꢅ%ꢋꢉꢅꢃꢄ%ꢋꢉ'ꢆ&ꢃꢋꢄꢅꢓ"ꢉꢓꢋ!ꢈ!ꢅꢋꢄꢇꢊꢁ
ꢔꢃꢌꢉꢋꢌꢍꢃꢓ ꢙꢈꢌꢍꢄꢋꢇꢋꢑꢊ ꢒꢉꢆ*ꢃꢄꢑ ,ꢕꢖꢞꢕ<?1
© 2009 Microchip Technology Inc.
DS22154A-page 19
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆ.ꢋꢌ"ꢗꢆ ꢕꢄꢈꢈꢆ!ꢎꢊꢈꢋꢐꢃꢆꢇꢄꢌ,ꢄ/ꢃꢆꢑ. ꢒꢆꢙ. !ꢇꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
D
N
E
E1
NOTE 1
2
b
1
e
c
φ
A2
A
L
L1
A1
6ꢄꢃ&!
ꢔꢚ99ꢚꢔ.ꢙ.ꢝꢐ
ꢒꢃ'ꢈꢄ!ꢃꢋꢄꢅ9ꢃ'ꢃ&!
ꢔꢚ7
7:ꢔ
ꢔꢗ;
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ꢂꢃ&ꢌꢍ
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ꢕꢁ?ꢘꢅ1ꢐ,
: ꢈꢉꢆꢇꢇꢅ8ꢈꢃꢑꢍ&
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅꢙꢍꢃꢌ4ꢄꢈ!!
ꢐ&ꢆꢄ#ꢋ%%ꢅ
: ꢈꢉꢆꢇꢇꢅ>ꢃ#&ꢍ
ꢔꢋꢇ#ꢈ#ꢅꢂꢆꢌ4ꢆꢑꢈꢅ>ꢃ#&ꢍ
: ꢈꢉꢆꢇꢇꢅ9ꢈꢄꢑ&ꢍ
3ꢋꢋ&ꢅ9ꢈꢄꢑ&ꢍ
ꢗ
M
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.
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ꢖꢁꢛꢕꢅ1ꢐ,
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ꢕꢁ?ꢕ
9
ꢕꢁꢖꢕ
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3ꢋꢋ&ꢓꢉꢃꢄ&
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ꢕꢁꢛꢘꢅꢝ.3
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9ꢈꢆ#ꢅ>ꢃ#&ꢍ
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ꢕꢁꢕ<
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M
ꢕꢁꢎ-
ꢕꢁꢖꢕ
ꢛꢗꢊꢃꢉꢜ
ꢀꢁ ꢂꢃꢄꢅꢀꢅ ꢃ!"ꢆꢇꢅꢃꢄ#ꢈ$ꢅ%ꢈꢆ&"ꢉꢈꢅ'ꢆꢊꢅ ꢆꢉꢊ(ꢅ)"&ꢅ'"!&ꢅ)ꢈꢅꢇꢋꢌꢆ&ꢈ#ꢅ*ꢃ&ꢍꢃꢄꢅ&ꢍꢈꢅꢍꢆ&ꢌꢍꢈ#ꢅꢆꢉꢈꢆꢁ
ꢎꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄ!ꢅꢒꢅꢆꢄ#ꢅ.ꢀꢅ#ꢋꢅꢄꢋ&ꢅꢃꢄꢌꢇ"#ꢈꢅ'ꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢁꢅꢔꢋꢇ#ꢅ%ꢇꢆ!ꢍꢅꢋꢉꢅꢓꢉꢋ&ꢉ"!ꢃꢋꢄ!ꢅ!ꢍꢆꢇꢇꢅꢄꢋ&ꢅꢈ$ꢌꢈꢈ#ꢅꢕꢁꢀꢘꢅ''ꢅꢓꢈꢉꢅ!ꢃ#ꢈꢁ
-ꢁ ꢒꢃ'ꢈꢄ!ꢃꢋꢄꢃꢄꢑꢅꢆꢄ#ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢃꢄꢑꢅꢓꢈꢉꢅꢗꢐꢔ.ꢅ0ꢀꢖꢁꢘꢔꢁ
1ꢐ,2 1ꢆ!ꢃꢌꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄꢁꢅꢙꢍꢈꢋꢉꢈ&ꢃꢌꢆꢇꢇꢊꢅꢈ$ꢆꢌ&ꢅ ꢆꢇ"ꢈꢅ!ꢍꢋ*ꢄꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ!ꢁ
ꢝ.32 ꢝꢈ%ꢈꢉꢈꢄꢌꢈꢅꢒꢃ'ꢈꢄ!ꢃꢋꢄ(ꢅ"!"ꢆꢇꢇꢊꢅ*ꢃ&ꢍꢋ"&ꢅ&ꢋꢇꢈꢉꢆꢄꢌꢈ(ꢅ%ꢋꢉꢅꢃꢄ%ꢋꢉ'ꢆ&ꢃꢋꢄꢅꢓ"ꢉꢓꢋ!ꢈ!ꢅꢋꢄꢇꢊꢁ
ꢔꢃꢌꢉꢋꢌꢍꢃꢓ ꢙꢈꢌꢍꢄꢋꢇꢋꢑꢊ ꢒꢉꢆ*ꢃꢄꢑ ,ꢕꢖꢞꢀꢀꢀ1
DS22154A-page 20
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢆ0ꢈꢄꢊ$ꢆꢛꢗꢆꢂꢃꢄꢅꢆꢇꢄꢌ,ꢄ/ꢃꢆꢑ.ꢛꢒꢆMꢆ*1ꢓ1ꢔ%2(ꢆꢕꢕꢆꢖꢗꢅꢘꢆꢙ)ꢍ0ꢛꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
© 2009 Microchip Technology Inc.
DS22154A-page 21
24AA64F/24LC64F
ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢆ0ꢈꢄꢊ$ꢆꢛꢗꢆꢂꢃꢄꢅꢆꢇꢄꢌ,ꢄ/ꢃꢆꢑ.ꢛꢒꢆMꢆ*1ꢓ1ꢔ%2(ꢆꢕꢕꢆꢖꢗꢅꢘꢆꢙ)ꢍ0ꢛꢚ
ꢛꢗꢊꢃꢜ 3ꢋꢉꢅ&ꢍꢈꢅ'ꢋ!&ꢅꢌ"ꢉꢉꢈꢄ&ꢅꢓꢆꢌ4ꢆꢑꢈꢅ#ꢉꢆ*ꢃꢄꢑ!(ꢅꢓꢇꢈꢆ!ꢈꢅ!ꢈꢈꢅ&ꢍꢈꢅꢔꢃꢌꢉꢋꢌꢍꢃꢓꢅꢂꢆꢌ4ꢆꢑꢃꢄꢑꢅꢐꢓꢈꢌꢃ%ꢃꢌꢆ&ꢃꢋꢄꢅꢇꢋꢌꢆ&ꢈ#ꢅꢆ&ꢅ
ꢍ&&ꢓ255***ꢁ'ꢃꢌꢉꢋꢌꢍꢃꢓꢁꢌꢋ'5ꢓꢆꢌ4ꢆꢑꢃꢄꢑ
DS22154A-page 22
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
APPENDIX A: REVISION HISTORY
Revision A
Original Release.
© 2009 Microchip Technology Inc.
DS22154A-page 23
24AA64F/24LC64F
NOTES:
DS22154A-page 24
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
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browser, the web site contains the following
information:
Users of Microchip products can receive assistance
through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
• Product Support – Data sheets and errata,
application notes and sample programs, design
resources, user’s guides and hardware support
documents, latest software releases and archived
software
• Development Systems Information Line
Customers
should
contact
their
distributor,
representative or field application engineer (FAE) for
support. Local sales offices are also available to help
customers. A listing of sales offices and locations is
included in the back of this document.
• General Technical Support – Frequently Asked
Questions (FAQ), technical support requests,
online discussion groups, Microchip consultant
program member listing
Technical support is available through the web site
at: http://support.microchip.com
• Business of Microchip – Product selector and
ordering guides, latest Microchip press releases,
listing of seminars and events, listings of
Microchip sales offices, distributors and factory
representatives
CUSTOMER CHANGE NOTIFICATION
SERVICE
Microchip’s customer notification service helps keep
customers current on Microchip products. Subscribers
will receive e-mail notification whenever there are
changes, updates, revisions or errata related to a
specified product family or development tool of interest.
To register, access the Microchip web site at
www.microchip.com, click on Customer Change
Notification and follow the registration instructions.
© 2009 Microchip Technology Inc.
DS22154A-page 25
24AA64F/24LC64F
READER RESPONSE
It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip prod-
uct. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our documentation
can better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-4150.
Please list the following information, and use this outline to provide us with your comments about this document.
To:
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RE:
From:
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Telephone: (_______) _________ - _________
FAX: (______) _________ - _________
Application (optional):
Would you like a reply?
Y
N
24AA64F/24LC64F
DS22154A
Literature Number:
Device:
Questions:
1. What are the best features of this document?
2. How does this document meet your hardware and software development needs?
3. Do you find the organization of this document easy to follow? If not, why?
4. What additions to the document do you think would enhance the structure and subject?
5. What deletions from the document could be made without affecting the overall usefulness?
6. Is there any incorrect or misleading information (what and where)?
7. How would you improve this document?
DS22154A-page 26
© 2009 Microchip Technology Inc.
24AA64F/24LC64F
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
Device
X
/XX
Examples:
Temperature Package
Range
a) 24AA64F-I/P: Industrial Temperature,
1.7V, PDIP package
b) 24AA64F-I/SN: Industrial Temperature,
1.7V, SOIC package
2
Device:
24AA64F: 1.7V, 64 Kbit I C™ Serial EEPROM
2
24AA64FT: 1.7V, 64 Kbit I C Serial EEPROM
c) 24AA64FT-I/ST: Industrial Temperature,
1.7V, TSSOP package, tape and reel
(Tape and Reel)
2
24LC64F: 2.5V, 64 Kbit I C Serial EEPROM
d) 24LC64F-I/P: Industrial Temperature,
2.5V, PDIP package
2
24LC64FT: 2.5V, 64 Kbit I C Serial EEPROM
(Tape and Reel)
e) 24LC64F-E/SN: Extended Temperature,
2.5V, SOIC package
Temperature
Range:
I
E
=
=
-40°C to +85°C
-40°C to +125°C
f)
24LC64F-I/ST: Industrial Temperature,
2.5V, TSSOP package
Package:
P
SN
ST
=
=
=
Plastic DIP (300 mil body), 8-lead
Plastic SOIC (3.90 mm body), 8-lead
Plastic TSSOP (4.4 mm), 8-lead
MS
MNY
OT
=
Plastic Micro Small Outline (MSOP), 8-lead
TDFN (2x3x0.75 mm body), 8-lead
SOT-23 (Tape and Reel only), 5-lead
(1)
=
=
Note 1: "Y" indicates a Nickel Palladium Gold (NiPdAu) finish.
ꢀ 2009 Microchip Technology Inc.
DS22154A-page27
24AA64F/24LC64F
NOTES:
DS22154A-page 28
ꢀ 2009 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,
PICSTART, rfPIC, SmartShunt and UNI/O are registered
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
FilterLab, Hampshire, Linear Active Thermistor, MXDEV,
MXLAB, SEEVAL, SmartSensor and The Embedded Control
Solutions Company are registered trademarks of Microchip
Technology Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,
ECONOMONITOR, FanSense, In-Circuit Serial
Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB
Certified logo, MPLIB, MPLINK, mTouch, nanoWatt XLP,
32
PICkit, PICDEM, PICDEM.net, PICtail, PIC logo, PowerCal,
PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select
Mode, Total Endurance, TSHARC, WiperLock and ZENA are
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2009, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
© 2009 Microchip Technology Inc.
DS22154A-page 29
WORLDWIDE SALES AND SERVICE
AMERICAS
ASIA/PACIFIC
ASIA/PACIFIC
EUROPE
Corporate Office
Asia Pacific Office
Suites 3707-14, 37th Floor
Tower 6, The Gateway
Harbour City, Kowloon
Hong Kong
Tel: 852-2401-1200
Fax: 852-2401-3431
India - Bangalore
Tel: 91-80-3090-4444
Fax: 91-80-3090-4080
Austria - Wels
Tel: 43-7242-2244-39
Fax: 43-7242-2244-393
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Tel: 480-792-7200
Fax: 480-792-7277
Technical Support:
http://support.microchip.com
Web Address:
www.microchip.com
Denmark - Copenhagen
Tel: 45-4450-2828
Fax: 45-4485-2829
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Tel: 91-11-4160-8631
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Tel: 91-20-2566-1512
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Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Japan - Yokohama
Tel: 81-45-471- 6166
Fax: 81-45-471-6122
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Tel: 86-10-8528-2100
Fax: 86-10-8528-2104
Italy - Milan
Tel: 39-0331-742611
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Korea - Daegu
Tel: 82-53-744-4301
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China - Chengdu
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Tel: 852-2401-1200
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Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
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Spain - Madrid
Tel: 34-91-708-08-90
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Tel: 60-4-227-8870
Fax: 60-4-227-4068
Dallas
Addison, TX
Tel: 972-818-7423
Fax: 972-818-2924
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Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
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Tel: 63-2-634-9065
Fax: 63-2-634-9069
Detroit
China - Shenyang
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Fax: 86-24-2334-2393
Singapore
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Fax: 65-6334-8850
Farmington Hills, MI
Tel: 248-538-2250
Fax: 248-538-2260
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Tel: 86-755-8203-2660
Fax: 86-755-8203-1760
Taiwan - Hsin Chu
Tel: 886-3-6578-300
Fax: 886-3-6578-370
Kokomo
Kokomo, IN
Tel: 765-864-8360
Fax: 765-864-8387
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Kaohsiung
Tel: 886-7-536-4818
Fax: 886-7-536-4803
Los Angeles
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
China - Xiamen
Tel: 86-592-2388138
Fax: 86-592-2388130
Taiwan - Taipei
Tel: 886-2-2500-6610
Fax: 886-2-2508-0102
Santa Clara
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
Santa Clara, CA
Tel: 408-961-6444
Fax: 408-961-6445
China - Zhuhai
Tel: 86-756-3210040
Fax: 86-756-3210049
Toronto
Mississauga, Ontario,
Canada
Tel: 905-673-0699
Fax: 905-673-6509
03/26/09
DS22154A-page 30
© 2009 Microchip Technology Inc.
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