AT24C64W-10SJ-2.7 [ATMEL]

EEPROM, 8KX8, Serial, CMOS, PDSO8;
AT24C64W-10SJ-2.7
型号: AT24C64W-10SJ-2.7
厂家: ATMEL    ATMEL
描述:

EEPROM, 8KX8, Serial, CMOS, PDSO8

可编程只读存储器 电动程控只读存储器 电可擦编程只读存储器 光电二极管
文件: 总19页 (文件大小:208K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Features  
Low-Voltage and Standard-Voltage Operation  
– 2.7 (VCC = 2.7V to 5.5V)  
– 1.8 (VCC = 1.8V to 5.5V)  
Low-Power Devices (ISB = 2 µA at 5.5V) Available  
Internally Organized 4096 x 8, 8192 x 8  
2-Wire Serial Interface  
Schmitt Trigger, Filtered Inputs for Noise Suppression  
Bidirectional Data Transfer Protocol  
100 kHz (1.8V, 2.5V, 2.7V) and 400 kHz (5V) Clock Rate  
Write Protect Pin for Hardware Data Protection  
32-Byte Page Write Mode (Partial Page Writes Allowed)  
Self-Timed Write Cycle (10 ms max)  
High Reliability  
– Endurance: 1 Million Write Cycles  
– Data Retention: 100 Years  
Automotive Grade and Extended Temperature Devices Available  
8-Pin JEDEC PDIP, 8-Pin JEDEC SOIC, 8-Pin EIAJ SOIC,  
and 8-pin TSSOP Packages  
2-Wire  
Serial EEPROM  
32K (4096 x 8)  
64K (8192 x 8)  
Description  
AT24C32  
AT24C64  
The AT24C32/64 provides 32,768/65,536 bits of serial electrically erasable and pro-  
grammable read only memory (EEPROM) organized as 4096/8192 words of 8 bits  
each. The device’s cascadable feature allows up to 8 devices to share a common 2-  
wire bus. The device is optimized for use in many industrial and commercial applica-  
tions where low power and low voltage operation are essential. The AT24C32/64 is  
available in space saving 8-pin JEDEC PDIP, 8-pin JEDEC SOIC, 8-pin EIAJ SOIC,  
and 8-pin TSSOP (AT24C64) packages and is accessed via a 2-wire serial interface.  
In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V)  
versions.  
2-Wire, 32K  
Serial E2PROM  
Pin Configurations  
8-Pin TSSOP  
Pin Name  
A0 - A2  
SDA  
Function  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Address Inputs  
Serial Data  
A2  
SCL  
SDA  
GND  
SCL  
Serial Clock Input  
Write Protect  
WP  
8-Pin SOIC  
8-Pin PDIP  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A2  
SCL  
SDA  
A2  
SCL  
SDA  
GND  
GND  
Rev. 0336K–SEEPR–7/03  
1
Absolute Maximum Ratings*  
*NOTICE:  
Stresses beyond those listed under “Absolute  
Maximum Ratings” may cause permanent dam-  
age to the device. This is a stress rating only and  
functional operation of the device at these or any  
other conditions beyond those indicated in the  
operational sections of this specification is not  
implied. Exposure to absolute maximum rating  
conditions for extended periods may affect  
device reliability.  
Operating Temperature.................................. -55°C to +125°C  
Storage Temperature..................................... -65°C to +150°C  
Voltage on Any Pin  
with Respect to Ground .....................................-1.0V to +7.0V  
Maximum Operating Voltage .......................................... 6.25V  
DC Output Current........................................................ 5.0 mA  
Block Diagram  
2
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
Pin Description  
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each  
EEPROM device and negative edge clock data out of each device.  
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is  
open-drain driven and may be wire-ORed with any number of other open-drain or open  
collector devices.  
DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device address  
inputs that are hard wired or left not connected for hardware compatibility with  
AT24C16. When the pins are hardwired, as many as eight 32K/64K devices may be  
addressed on a single bus system (device addressing is discussed in detail under the  
Device Addressing section). When the pins are not hardwired, the default A2, A1, and A0  
are zero.  
WRITE PROTECT (WP): The write protect input, when tied to GND, allows normal write  
operations. When WP is tied high to VCC, all write operations to the upper quandrant  
(8/16K bits) of memory are inhibited. If left unconnected, WP is internally pulled down to  
GND.  
Memory Organization AT24C32/64, 32K/64K SERIAL EEPROM: The 32K/64K is internally organized as 256  
pages of 32 bytes each. Random word addressing requires a 12/13 bit data word  
address.  
3
0336K–SEEPR–7/03  
Pin Capacitance(1)  
Applicable over recommended operating range from TA = 25°C, f = 1.0 MHz, VCC = +1.8V.  
Symbol  
CI/O  
Test Condition  
Max  
8
Units  
pF  
Conditions  
VI/O = 0V  
VIN = 0V  
Input/Output Capacitance (SDA)  
Input Capacitance (A0, A1, A2, SCL)  
CIN  
6
pF  
Note:  
1. This parameter is characterized and is not 100% tested.  
DC Characteristics  
Applicable over recommended operating range from: TAI = -40°C to +85°C, VCC = +1.8V to +5.5V, TAC = 0°C to +70°C,  
V
CC = +1.8V to +5.5V (unless otherwise noted).  
Symbol  
Parameter  
Test Condition  
Min  
1.8  
2.5  
2.7  
4.5  
Typ  
Max  
5.5  
5.5  
5.5  
5.5  
1.0  
3.0  
0.1  
2.0  
0.5  
2.0  
0.5  
2.0  
Units  
V
VCC1  
VCC2  
VCC3  
VCC4  
ICC1  
Supply Voltage  
Supply Voltage  
Supply Voltage  
Supply Voltage  
Supply Current  
Supply Current  
V
V
V
VCC = 5.0V  
VCC = 5.0V  
READ at 100 kHz  
WRITE at 100 kHz  
0.4  
2.0  
mA  
mA  
µA  
ICC2  
V
CC = 1.8V  
Standby Current  
ISB1  
ISB2  
ISB3  
VIN = VCC or VSS  
(1.8V option)  
VCC = 5.5V  
V
V
V
V
CC = 2.5V  
CC = 5.5V  
CC = 2.7V  
CC = 5.5V  
µA  
µA  
Standby Current  
(2.5V option)  
VIN = VCC or VSS  
Standby Current  
(2.7V option)  
V
IN = VCC or VSS  
Standby Current  
(5V option)  
ISB4  
VCC = 4.5 - 5.5V  
VIN = VCC or VSS  
VOUT = VCC or VSS  
VIN = VCC or VSS  
20  
35  
3.0  
3.0  
µA  
µA  
µA  
Input Leakage  
Current  
ILI  
0.10  
0.05  
Output Leakage  
Current  
ILO  
VIL  
Input Low Level(1)  
Input High Level(1)  
Output Low Level  
Output Low Level  
-0.6  
VCC x 0.3  
VCC + 0.5  
0.4  
V
V
V
V
VIH  
VCC x 0.7  
VOL2  
VCC = 3.0V  
VCC = 1.8V  
IOL = 2.1 mA  
IOL = 0.15 mA  
VOL1  
0.2  
Note:  
1. VIL min and VIH max are reference only and are not tested.  
4
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
AC Characteristics  
Applicable over recommended operating range from TA = -40°C to +85°C, VCC = +1.8V to +5.5V, CL = 1 TTL Gate and 100  
pF (unless otherwise noted).  
1.8-volt  
2.7-, 2.5-volt  
5.0-volt  
Symbol  
fSCL  
tLOW  
tHIGH  
tI  
Parameter  
Min  
Max  
Min  
Max  
Min  
Max  
Units  
kHz  
µs  
Clock Frequency, SCL  
Clock Pulse Width Low  
Clock Pulse Width High  
Noise Suppression Time(1)  
Clock Low to Data Out Valid  
100  
100  
400  
4.7  
4.0  
4.7  
4.0  
1.2  
0.6  
µs  
100  
4.5  
100  
4.5  
50  
ns  
tAA  
0.1  
4.7  
0.1  
4.7  
0.1  
1.2  
0.9  
µs  
Time the bus must be free  
tBUF  
µs  
before a new transmission can start(1)  
tHD.STA  
tSU.STA  
tHD.DAT  
tSU.DAT  
tR  
Start Hold Time  
4.0  
4.7  
0
4.0  
4.7  
0
0.6  
0.6  
0
µs  
µs  
µs  
ns  
µs  
ns  
µs  
ns  
ms  
Start Set-up Time  
Data In Hold Time  
Data In Set-up Time  
Inputs Rise Time(1)  
Inputs Fall Time(1)  
Stop Set-up Time  
Data Out Hold Time  
Write Cycle Time  
200  
200  
100  
1.0  
1.0  
0.3  
tF  
300  
300  
300  
tSU.STO  
tDH  
4.7  
4.7  
0.6  
50  
100  
100  
tWR  
20  
10  
10  
Write  
Cycles  
Endurance(1)  
5.0V, 25°C, Page Mode  
1M  
1M  
1M  
Note:  
1. This parameter is characterized and is not 100% tested.  
5
0336K–SEEPR–7/03  
Device Operation  
CLOCK and DATA TRANSITIONS: The SDA pin is normally pulled high with an exter-  
nal device. Data on the SDA pin may change only during SCL low time periods (refer to  
Data Validity timing diagram). Data changes during SCL high periods will indicate a start  
or stop condition as defined below.  
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition  
which must precede any other command (refer to Start and Stop Definition timing  
diagram).  
STOP CONDITION: A low-to-high transition of SDA with SCL high is a stop condition.  
After a read sequence, the stop command will place the EEPROM in a standby power  
mode (refer to Start and Stop Definition timing diagram).  
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the  
EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to  
acknowledge that it has received each word.  
STANDBY MODE: The AT24C32/64 features a low power standby mode which is  
enabled: a) upon power-up and b) after the receipt of the STOP bit and the completion  
of any internal operations.  
MEMORY RESET: After an interruption in protocol, power loss or system reset, any 2-  
wire part can be reset by following these steps:  
(a) Clock up to 9 cycles, (b) look for SDA high in each cycle while SCL is high and then  
(c) create a start condition as SDA is high.  
6
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
Bus Timing  
SCL: Serial Clock, SDA: Serial Data I/O  
Write Cycle Timing  
SCL: Serial Clock, SDA: Serial Data I/O  
SCL  
SDA  
ACK  
8th BIT  
WORDn  
(1)  
wr  
t
START  
STOP  
CONDITION  
CONDITION  
Note:  
1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle.  
7
0336K–SEEPR–7/03  
Data Validity  
Start and Stop Definition  
Output Acknowledge  
8
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
Device Addressing  
The 32K/64K EEPROM requires an 8-bit device address word following a start condition  
to enable the chip for a read or write operation (refer to Figure 1). The device address  
word consists of a mandatory one, zero sequence for the first four most significant bits  
as shown. This is common to all 2-wire EEPROM devices.  
The 32K/64K uses the three device address bits A2, A1, A0 to allow as many as eight  
devices on the same bus. These bits must compare to their corresponding hardwired  
input pins. The A2, A1, and A0 pins use an internal proprietary circuit that biases them  
to a logic low condition if the pins are allowed to float.  
The eighth bit of the device address is the read/write operation select bit. A read opera-  
tion is initiated if this bit is high and a write operation is initiated if this bit is low.  
Upon a compare of the device address, the EEPROM will output a zero. If a compare is  
not made, the device will return to standby state.  
NOISE PROTECTION: Special internal circuitry placed on the SDA and SCL pins pre-  
vent small noise spikes from activating the device. A low-VCC detector (5-volt option)  
resets the device to prevent data corruption in a noisy environment.  
DATA SECURITY: The AT24C32/64 has a hardware data protection scheme that allows  
the user to write protect the upper quadrant (8/16K bits) of memory when the WP pin is  
at VCC  
.
Write Operations  
BYTE WRITE: A write operation requires two 8-bit data word addresses following the  
device address word and acknowledgment. Upon receipt of this address, the EEPROM  
will again respond with a zero and then clock in the first 8-bit data word. Following  
receipt of the 8-bit data word, the EEPROM will output a zero and the addressing  
device, such as a microcontroller, must terminate the write sequence with a stop condi-  
tion. At this time the EEPROM enters an internally-timed write cycle, tWR, to the  
nonvolatile memory. All inputs are disabled during this write cycle and the EEPROM will  
not respond until the write is complete (refer to Figure 2).  
PAGE WRITE: The 32K/64K EEPROM is capable of 32-byte page writes.  
A page write is initiated the same way as a byte write, but the microcontroller does not  
send a stop condition after the first data word is clocked in. Instead, after the EEPROM  
acknowledges receipt of the first data word, the microcontroller can transmit up to 31  
more data words. The EEPROM will respond with a zero after each data word received.  
The microcontroller must terminate the page write sequence with a stop condition (refer  
to Figure 3).  
The data word address lower 5 bits are internally incremented following the receipt of  
each data word. The higher data word address bits are not incremented, retaining the  
memory page row location. When the word address, internally generated, reaches the  
page boundary, the following byte is placed at the beginning of the same page. If more  
than 32 data words are transmitted to the EEPROM, the data word address will “roll  
over” and previous data will be overwritten.  
ACKNOWLEDGE POLLING: Once the internally-timed write cycle has started and the  
EEPROM inputs are disabled, acknowledge polling can be initiated. This involves send-  
ing a start condition followed by the device address word. The read/write bit is  
representative of the operation desired. Only if the internal write cycle has completed  
will the EEPROM respond with a zero, allowing the read or write sequence to continue.  
9
0336K–SEEPR–7/03  
Read  
Operations  
Read operations are initiated the same way as write operations with the exception that the  
read/write select bit in the device address word is set to one. There are three read operations:  
current address read, random address read and sequential read.  
CURRENT ADDRESS READ: The internal data word address counter maintains the last  
address accessed during the last read or write operation, incremented by one. This address  
stays valid between operations as long as the chip power is maintained. The address “roll  
over” during read is from the last byte of the last memory page, to the first byte of the first  
page. The address “roll over” during write is from the last byte of the current page to the first  
byte of the same page.  
Once the device address with the read/write select bit set to one is clocked in and acknowl-  
edged by the EEPROM, the current address data word is serially clocked out. The  
microcontroller does not respond with an input zero but does generate a following stop condi-  
tion (refer to Figure 4).  
RANDOM READ: A random read requires a “dummy” byte write sequence to load in the data  
word address. Once the device address word and data word address are clocked in and  
acknowledged by the EEPROM, the microcontroller must generate another start condition.  
The microcontroller now initiates a current address read by sending a device address with the  
read/write select bit high. The EEPROM acknowledges the device address and serially clocks  
out the data word. The microcontroller does not respond with a zero but does generate a fol-  
lowing stop condition (refer to Figure 5).  
SEQUENTIAL READ: Sequential reads are initiated by either a current address read or a ran-  
dom address read. After the microcontroller receives a data word, it responds with an  
acknowledge. As long as the EEPROM receives an acknowledge, it will continue to increment  
the data word address and serially clock out sequential data words. When the memory  
address limit is reached, the data word address will “roll over” and the sequential read will con-  
tinue. The sequential read operation is terminated when the microcontroller does not respond  
with a zero but does generate a following stop condition (refer to Figure 6).  
10  
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
Figure 1. Device Address  
Figure 2. Byte Write  
Figure 3. Page Write  
Note:  
1. * = DON’T CARE bits  
2. † = DON’T CARE bits for the 32K  
11  
0336K–SEEPR–7/03  
Figure 4. Current Address Read  
Figure 5. Random Read  
Note:  
1. * = DON’T CARE bits  
Figure 6. Sequential Read  
12  
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
AT24C32 Ordering Information  
Ordering Code  
Package  
Operation Range  
AT24C32-10PI-2.7  
AT24C32N-10SI-2.7  
AT24C32W-10SI-2.7  
8P3  
8S1  
8S2  
Industrial  
(-40°C to 85°C)  
AT24C32-10PI-1.8  
AT24C32N-10SI-1.8  
AT24C32W-10SI-1.8  
8P3  
8S1  
8S2  
Industrial  
(-40°C to 85°C)  
Note:  
For 2.7V devices used in the 4.5V to 5.5V range, please refer to performance values in the AC and DC characteristics tables.  
Package Type  
8-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP)  
8-lead, 0.150” Wide, Plastic Gull Wing Small Outline (JEDEC SOIC)  
8-lead, 0.200” Wide, Plastic Gull Wing Small Outline (EIAJ SOIC)  
Options  
8P3  
8S1  
8S2  
-2.7  
-1.8  
Low Voltage (2.7V to 5.5V)  
Low Voltage (1.8V to 5.5V)  
13  
0336K–SEEPR–7/03  
AT24C64 Ordering Information  
Ordering Code  
Package  
Operation Range  
AT24C64-10PI-2.7  
AT24C64N-10SI-2.7  
AT24C64W-10SI-2.7  
AT24C64-10TI-2.7  
8P3  
8S1  
8S2  
8A2  
Industrial  
(-40°C to 85°C)  
AT24C64-10PI-1.8  
AT24C64N-10SI-1.8  
AT24C64W-10SI-1.8  
AT24C64-10TI-1.8  
8P3  
8S1  
8S2  
8A2  
Industrial  
(-40°C to 85°C)  
Note:  
For 2.7V devices used in the 4.5V to 5.5V range, please refer to performance values in the AC and DC characteristics tables.  
Package Type  
8-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP)  
8-lead, 0.150” Wide, Plastic Gull Wing Small Outline (JEDEC SOIC)  
8-lead, 0.200” Wide, Plastic Gull Wing Small Outline (EIAJ SOIC)  
8-lead, 0.170” Wide, Thin Shrink Small Outline Package (TSSOP)  
Options  
8P3  
8S1  
8S2  
8A2  
-2.7  
-1.8  
Low Voltage (2.7V to 5.5V)  
Low Voltage (1.8V to 5.5V)  
14  
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
Packaging Information  
8P3 – PDIP  
E
1
E1  
N
Top View  
c
eA  
End View  
COMMON DIMENSIONS  
(Unit of Measure = inches)  
D
e
MIN  
MAX  
NOM  
NOTE  
SYMBOL  
D1  
A2 A  
A
0.210  
0.195  
0.022  
0.070  
0.045  
0.014  
0.400  
2
A2  
b
0.115  
0.014  
0.045  
0.030  
0.008  
0.355  
0.005  
0.300  
0.240  
0.130  
0.018  
0.060  
0.039  
0.010  
0.365  
5
6
6
b2  
b3  
c
D
3
3
4
3
b2  
L
D1  
E
b3  
4 PLCS  
0.310  
0.250  
0.325  
0.280  
b
E1  
e
0.100 BSC  
0.300 BSC  
0.130  
Side View  
eA  
L
4
2
0.115  
0.150  
Notes: 1. This drawing is for general information only; refer to JEDEC Drawing MS-001, Variation BA for additional information.  
2. Dimensions A and L are measured with the package seated in JEDEC seating plane Gauge GS-3.  
3. D, D1 and E1 dimensions do not include mold Flash or protrusions. Mold Flash or protrusions shall not exceed 0.010 inch.  
4. E and eA measured with the leads constrained to be perpendicular to datum.  
5. Pointed or rounded lead tips are preferred to ease insertion.  
6. b2 and b3 maximum dimensions do not include Dambar protrusions. Dambar protrusions shall not exceed 0.010 (0.25 mm).  
01/09/02  
TITLE  
DRAWING NO.  
REV.  
2325 Orchard Parkway  
San Jose, CA 95131  
8P3, 8-lead, 0.300" Wide Body, Plastic Dual  
In-line Package (PDIP)  
8P3  
B
R
15  
0336K–SEEPR–7/03  
8S1 – JEDEC SOIC  
1
3
2
H
N
Top View  
e
B
A
D
COMMON DIMENSIONS  
(Unit of Measure = mm)  
Side View  
MIN  
MAX  
1.75  
0.51  
0.25  
5.00  
4.00  
NOM  
NOTE  
SYMBOL  
A
B
C
D
E
e
A2  
L
1.27 BSC  
E
H
L
6.20  
1.27  
End View  
Note:  
This drawing is for general information only. Refer to JEDEC Drawing MS-012 for proper dimensions, tolerances, datums, etc.  
10/10/01  
TITLE  
DRAWING NO.  
REV.  
2325 Orchard Parkway  
San Jose, CA 95131  
8S1, 8-lead (0.150" Wide Body), Plastic Gull Wing  
8S1  
A
R
Small Outline (JEDEC SOIC)  
16  
AT24C32/64  
0336K–SEEPR–7/03  
AT24C32/64  
8S2 – EIAJ SOIC  
1
H
N
Top View  
e
b
A
D
COMMON DIMENSIONS  
(Unit of Measure = mm)  
Side View  
MIN  
1.78  
0.05  
0.35  
0.18  
5.13  
5.13  
7.62  
0.51  
MAX  
2.03  
0.33  
0.51  
0.25  
5.38  
5.41  
8.38  
0.89  
NOM  
NOTE  
SYMBOL  
A
A1  
b
A1  
5
5
C
D
E
H
L
L
E
2, 3  
4
End View  
e
1.27 BSC  
Notes: 1. This drawing is for general information only; refer to EIAJ Drawing EDR-7320 for additional information.  
2. Mismatch of the upper and lower dies and resin burrs aren't included.  
3. It is recommended that upper and lower cavities be equal. If they are different, the larger dimension shall be regarded.  
4. Determines the true geometric position.  
5. Values b,C apply to pb/Sn solder plated terminal. The standard thickness of the solder layer shall be 0.010 +0.010/-0.005 mm.  
5/2/02  
TITLE  
DRAWING NO.  
REV.  
8S2, 8-lead, 0.209" Body, Plastic Small  
Outline Package (EIAJ)  
2325 Orchard Parkway  
San Jose, CA 95131  
8S2  
B
R
17  
0336K–SEEPR–7/03  
8A2 – TSSOP  
3
2 1  
Pin 1 indicator  
this corner  
E1  
E
L1  
N
L
Top View  
End View  
COMMON DIMENSIONS  
(Unit of Measure = mm)  
MIN  
MAX  
NOM  
3.00  
NOTE  
SYMBOL  
D
2.90  
3.10  
2, 5  
A
b
E
6.40 BSC  
4.40  
E1  
A
4.30  
4.50  
1.20  
1.05  
0.30  
3, 5  
4
A2  
b
0.80  
0.19  
1.00  
e
A2  
D
e
0.65 BSC  
0.60  
L
0.45  
0.75  
Side View  
L1  
1.00 REF  
Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-153, Variation AA, for proper dimensions, tolerances,  
datums, etc.  
2. Dimension D does not include mold Flash, protrusions or gate burrs. Mold Flash, protrusions and gate burrs shall not exceed  
0.15 mm (0.006 in) per side.  
3. Dimension E1 does not include inter-lead Flash or protrusions. Inter-lead Flash and protrusions shall not exceed 0.25 mm  
(0.010 in) per side.  
4. Dimension b does not include Dambar protrusion. Allowable Dambar protrusion shall be 0.08 mm total in excess of the  
b dimension at maximum material condition. Dambar cannot be located on the lower radius of the foot. Minimum space between  
protrusion and adjacent lead is 0.07 mm.  
5. Dimension D and E1 to be determined at Datum Plane H.  
5/30/02  
DRAWING NO.  
TITLE  
REV.  
2325 Orchard Parkway  
San Jose, CA 95131  
8A2, 8-lead, 4.4 mm Body, Plastic  
Thin Shrink Small Outline Package (TSSOP)  
B
8A2  
R
18  
AT24C32/64  
0336K–SEEPR–7/03  
Atmel Corporation  
Atmel Operations  
2325 Orchard Parkway  
San Jose, CA 95131  
Tel: 1(408) 441-0311  
Fax: 1(408) 487-2600  
Memory  
RF/Automotive  
2325 Orchard Parkway  
San Jose, CA 95131  
Tel: 1(408) 441-0311  
Fax: 1(408) 436-4314  
Theresienstrasse 2  
Postfach 3535  
74025 Heilbronn, Germany  
Tel: (49) 71-31-67-0  
Fax: (49) 71-31-67-2340  
Regional Headquarters  
Microcontrollers  
2325 Orchard Parkway  
San Jose, CA 95131  
Tel: 1(408) 441-0311  
Fax: 1(408) 436-4314  
1150 East Cheyenne Mtn. Blvd.  
Colorado Springs, CO 80906  
Tel: 1(719) 576-3300  
Europe  
Atmel Sarl  
Route des Arsenaux 41  
Case Postale 80  
CH-1705 Fribourg  
Switzerland  
Tel: (41) 26-426-5555  
Fax: (41) 26-426-5500  
Fax: 1(719) 540-1759  
Biometrics/Imaging/Hi-Rel MPU/  
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Avenue de Rochepleine  
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BP 70602  
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Tel: (33) 2-40-18-18-18  
Fax: (33) 2-40-18-19-60  
BP 123  
38521 Saint-Egreve Cedex, France  
Tel: (33) 4-76-58-30-00  
Fax: (33) 4-76-58-34-80  
Asia  
Room 1219  
Chinachem Golden Plaza  
77 Mody Road Tsimshatsui  
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Tel: (852) 2721-9778  
Fax: (852) 2722-1369  
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Zone Industrielle  
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Japan  
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Fax: 1(719) 540-1759  
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Fax: (44) 1355-242-743  
e-mail  
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Web Site  
http://www.atmel.com  
Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard  
warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any  
errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and  
does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are  
granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use  
as critical components in life support devices or systems.  
© Atmel Corporation 2003. All rights reserved. Atmel® and combinations thereof, are the registered  
trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be the trademarks of  
others.  
Printed on recycled paper.  
0336K–SEEPR–7/03  
xM  

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