C512A10/12/15/20/90 [ETC]
C512A10/12/15/20/90 Datasheet ; C512A10 / 12 /15 /九十〇分之二十零数据表\n
| 型号： | C512A10/12/15/20/90 |
| 厂家： | 
ETC |
| 描述： | C512A10/12/15/20/90 Datasheet
|
| 文件： | 总13页 (文件大小：157K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
27C512A
512K (64K x 8) CMOS EPROM
FEATURES
PACKAGE TYPES
• High speed performance
PLCC
• CMOS Technology for low power consumption
- 25 mA Active current
5
29
28
27
26
25
24
23
22
21
A6
A5
A4
A3
A2
A1
A0
NC
A8
A9
6
- 30 µA Standby current
7
A11
NC
OE/VPP
A10
CE
8
• Factory programming available
• Auto-insertion-compatible plastic packages
• Auto ID aids automated programming
• High speed express programming algorithm
• Organized 64K x 8: JEDEC standard pinouts
- 28-pin Dual-in-line package
9
10
11
12
O7
O6
13
O0
DIP/SOIC
- 32-pin PLCC Package
A15
A12
A7
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
A14
A13
A8
- 28-pin SOIC package
2
3
- Tape and reel
A6
4
A5
• Data Retention > 200 years
5
A9
A4
6
A11
OE/VPP
A10
CE
• Available for the following temperature ranges
A3
7
A2
8
- Commercial:
- Industrial:
0˚C to +70˚C
A1
9
-40˚C to +85˚C
-40˚C to +125˚C
A0
10
11
12
13
14
O7
O0
O1
O2
VSS
O6
- Automotive:
O5
O4
DESCRIPTION
O3
The Microchip Technology Inc. 27C512A is a CMOS
512K bit electrically Programmable Read Only Memory
(EPROM). The device is organized into 64K words by
8 bits (64K bytes). Accessing individual bytes from an
address transition or from power-up (chip enable pin
going low) is accomplished in less than 90 ns. This
very high speed device allows the most sophisticated
microprocessors to run at full speed without the need
for WAIT states. CMOS design and processing
enables this part to be used in systems where reduced
power consumption and high reliability are require-
ments.
A complete family of packages is offered to provide the
most flexibility in applications. For surface mount appli-
cations, PLCC or SOIC packaging is available. Tape or
reel packaging is also available for PLCC or SOIC
packages.
1998 Microchip Technology Inc.
DS11173F-page 1
27C512A
TABLE 1-1:
Name
PIN FUNCTION TABLE
Function
1.0
ELECTRICAL CHARACTERISTICS
1.1
Maximum Ratings*
VCC and input voltages w.r.t. VSS ........-0.6V to +7.25V
A0-A15
CE
Address Inputs
VPP voltage w.r.t. VSS during
programming .........................................-0.6V to +14V
Chip Enable
OE/VPP
O0 - O7
VCC
Output Enable/Programming Voltage
Data Output
Voltage on A9 w.r.t. VSS.......................-0.6V to +13.5V
Output voltage w.r.t. VSS.................-0.6V to VCC +1.0V
Storage temperature .......................... -65˚C to +150˚C
Ambient temp. with power applied...... -65˚C to +125˚C
+5V Power Supply
Ground
VSS
*Notice: Stresses above those listed under “Maximum Ratings”
may cause permanent damage to the device. This is a stress rat-
ing only and functional operation of the device at those or any
other conditions above those indicated in the operation listings of
this specification is not implied. Exposure to maximum rating con-
ditions for extended periods may affect device reliability.
NC
No Connection; No Internal Connec-
tion
NU
Not Used; No External Connection is
Allowed
TABLE 1-2:
READ OPERATION DC CHARACTERISTICS
VCC = +5V ±10%
Commercial:
Industrial:
Tamb = 0˚C to +70˚C
Tamb = -40˚C to +85˚C
Extended (Automotive):
Tamb = -40˚C to +125˚C
Parameter
Part*
Status
Symbol
Min
Max
Units Conditions
Input Voltages
all
Logic "1"
Logic "0"
VIH
VIL
2.0
-0.5
VCC+1
0.8
V
V
Input Leakage
all
all
ILI
-10
2.4
10
µA VIN = 0 to VCC
Output Voltages
Logic "1"
Logic "0"
VOH
VOL
V
V
IOH = - 400 µA
IOL = 2.1 mA
0.45
10
6
Output Leakage
all
all
—
—
ILO
-10
—
µA VOUT = 0V to VCC
Input Capacitance
CIN
pF VIN = 0V; Tamb = 25°C;
f = 1 MHz
Output Capacitance
all
—
COUT
—
12
pF VOUT = 0V; Tamb = 25°C;
f = 1 MHz
Power Supply Current,
Active
C
I, E
TTL input
TTL input
ICC
ICC
—
—
25
35
mA VCC = 5.5V
mA f = 1 MHz;
OE/VPP = CE = VIL;
IOUT = 0 mA;
VIL = -0.1 to 0.8V;
VIH = 2.0 to VCC;
Note 1
Power Supply Current,
Standby
C
I, E
all
TTL input
TTL input
CMOS input ICC(S)CMOS
ICC(S)TLL
ICC(S)TLL
—
—
—
1
2
30
mA
mA
µA CE = Vcc±0.2V
* Parts: C=Commercial Temperature Range; I, E=Industrial and Extended Temperature Ranges
Note 1: Typical active current increases .75 mA per MHz up to operating frequency for all temperature ranges.
DS11173F-page 2
1998 Microchip Technology Inc.
27C512A
TABLE 1-3:
READ OPERATION AC CHARACTERISTICS
AC Testing Waveform:
Output Load:
VIH = 2.4V and VIL = .45V; VOH = 2.0V and VOL = 0.8V
1 TTL Load + 100 pF
Input Rise and Fall Times: 10 ns
Ambient Temperature:
Commercial:
Tamb = 0˚C to +70˚C
Industrial:
Extended (Automotive):
Tamb = -40˚C to +85˚C
Tamb = -40˚C to +125˚C
27C512-90*
Sym
27C512-10*
27C512-12
27C512-15
Parameter
Units Conditions
Min
Max
Min
Max
Min
Max
Min
Max
Address to Output
Delay
tACC
tCE
—
90
—
100
—
120
—
150
ns
ns
CE = OE/
VPP = VIL
CE to Output Delay
—
90
—
100
—
120
—
150
OE/VPP =
VIL
OE to Output Delay
tOE
—
0
40
35
—
0
40
35
—
0
50
40
—
0
60
45
ns
ns
CE = VIL
OE to Output High
Impedance
tOFF
Output Hold from
Address, CE or OE/
VPP, whichever
occurred first
tOH
0
—
0
—
0
—
0
—
ns
*90/10 AC Testing Waveforms: VIH = 3.0V and VIL = 0V; VOH = 1.5V and VOL = 1.5V
Output Load: 1 TTL Load + 30 pF
FIGURE 1-1: READ WAVEFORMS
VIH
Address Valid
Address
CE
VIL
VIH
VIL
tCE(2)
VIH
VIL
OE
tOFF(1,3)
tOH
tOE(2)
VOH
VOL
Outputs
O0 - O7
High Z
High Z
Valid Output
tACC
Notes: (1) tOFF is specified for OE or CE, whichever occurs first
(2) OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE
(3) This parameter is sampled and is not 100% tested.
1998 Microchip Technology Inc.
DS11173F-page 3
27C512A
TABLE 1-4:
PROGRAMMING DC CHARACTERISTICS
Ambient Temperature: Tamb = 25°C ± 5°C
VCC = 6.5V ± 0.25V, OE/VPP = VH = 13.0V ± 0.25V
Parameter
Status
Symbol
Min.
Max.
Units
Conditions (See Note 1)
Input Voltages
Logic “1”
Logic “0”
VIH
VIL
2.0
-0.1
VCC+1
0.8
V
V
Input Leakage
—
ILI
-10
10
µA
VIN = 0V to VCC
Output Voltages
Logic “1”
Logic “0”
VOH
VOL
2.4
—
V
V
IOH = -400 µA
IOL = 2.1 mA
0.45
35
VCC Current, program & verify
OE/VPP Current, program
A9 Product Identification
—
—
—
ICC2
IPP2
VID
—
—
mA
mA
V
CE = VIL
25
11.5
12.5
Note 1: VCC must be applied simultaneously or before VPP voltage on OE/VPP and removed simultaneously or after
the VPP voltage on OE/VPP.
TABLE 1-5:
PROGRAMMING AC CHARACTERISTICS
for Program, Program Verify
and Program Inhibit Modes
AC Testing Waveform: VIH=2.4V and VIL=0.45V; VOH=2.0V; VOL=0.8V
Ambient Temperature: 25°C ±5°C
VCC = 6.5V ± 0.25V, OE/VPP = VH = 13.0V ± 0.25 V
Parameter
Symbol
Min. Max. Units
Remarks
Address Set-Up Time
Data Set-Up Time
tAS
tDS
2
2
—
—
µs
µs
µs
µs
ns
µs
µs
µs
µs
µs
µs
ns
Data Hold Time
tDH
2
—
Address Hold Time
Float Delay (2)
tAH
0
—
tDF
0
130
—
VCC Set-Up Time
tVCS
tPW
tCES
tOES
tOEH
tOR
2
Program Pulse Width (1)
CE Set-Up Time
95
2
105
—
100 µs typical
OE Set-Up Time
2
—
OE Hold Time
2
—
OE Recovery Time
OE /VPP Rise Time During Programming
2
—
tPRT
50
—
Note 1: For express algorithm, initial programming width tolerance is 100 µs ±5%.
2: This parameter is only sampled and not 100% teted. Output float is defined as the point where data is no
longer driven (see timing diagram).
DS11173F-page 4
1998 Microchip Technology Inc.
27C512A
FIGURE 1-2: PROGRAMMING WAVEFORMS (1)
Program
Verify
VIH
Address Stable
Address VIL
tAH
tAS
VIH
Data In Stable
Data Out Valid
Data VIL
tDF
(2)
tDH
tDS
6.5 V (3)
VCC 5.0V
VIH
tCE
(2)
tVCS
tOES
tPW
CE VIL
tCES
tOEH
tOR
13.0 V (3)
OE/VPP
tOPW
VIL
tPRT
Notes: (1) The input timing reference level is 0.8V for VIL and 2.0V for VIH.
(2) tDF and tOE are characteristics of the device but must be accommodated by the programmer.
(3) VCC = 6.5V ±0.25V, VPP = VH = 13.0V ±0.5V for express programming algorithm.
TABLE 1-6:
MODES
Operation Mode
CE
OE/VPP
A9
O0 - O7
Read
VIL
VIL
VIL
VIH
VIH
VIL
VIL
VIL
VH
VIL
VH
X
X
X
DOUT
DIN
Program
Program Verify
Program Inhibit
Standby
X
DOUT
X
High Z
X
High Z
Output Disable
Identity
VIH
VIL
X
High Z
VH
Identity Code
X = Don’t Care
For Read operations, if the addresses are stable, the
address access time (tACC) is equal to the delay from
CE to output (tCE). Data is transferred to the output
after a delay (tOE) from the falling edge of OE/VPP.
1.2
Read Mode
(See Timing Diagrams and AC Characteristics)
Read Mode is accessed when
a) the CE pin is low to power up (enable) the chip
b) the OE/VPP pin is low to gate the data to the
output pins
1998 Microchip Technology Inc.
DS11173F-page 5
27C512A
Since the erased state is “1” in the array, programming
of “0” is required. The address to be programmed is set
via pins A0 - A15 and the data to be programmed is
presented to pins O0 - O7. When data and address are
stable, a low going pulse on the CE line programs that
location.
1.3
Standby Mode
The standby mode is entered when the CE pin is high,
and the program mode is not identified.
When this conditions are met, the supply current will
drop from 25 mA to 30 µA.
1.7
Verify
1.4
Output Enable OE/VPP
After the array has been programmed it must be veri-
fied to ensure all the bits have been correctly pro-
grammed. This mode is entered when all the following
conditions are met:
This multifunction pin eliminates bus connection in mul-
tiple bus microprocessor systems and the outputs go to
high impedance when:
• the OE/VPP pin is high (VIH).
a) VCC is at the proper level,
b) the OE/VPP pin is low, and
c) the CE line is low.
When a VH input is applied to this pin, it supplies the
programming voltage (VPP) to the device.
1.5
Erase Mode (UV Windowed Versions)
1.8
Inhibit
Windowed products offer the ability to erase the mem-
ory array. The memory matrix is erased to the all “1's”
state as a result of being exposed to ultraviolet light. To
ensure complete erasure, a dose of 15 watt-second/
When programming multiple devices in parallel with dif-
ferent data, only CE needs to be under separate control
to each device. By pulsing the CE line low on a partic-
ular device, that device will be programmed; all other
devices with CE held high will not be programmed with
the data (although address and data will be available
on their input pins).
2
cm is required. This means that the device window
must be placed within one inch and directly underneath
an ultraviolet lamp with a wavelength of 2537 Ang-
2
stroms, intensity of 12,000 mW/cm for approximately
40 minutes.
1.9
Identity Mode
1.6
Programming Mode
In this mode specific data is output which identifies the
manufacturer as Microchip Technology Inc. and the
device type. This mode is entered when Pin A9 is taken
to VH (11.5V to 12.5V). The CE and OE/VPP lines must
be at VIL. A0 is used to access any of the two non-eras-
able bytes whose data appears on O0 through O7.
The Express algorithm must be used for best results. It
has been developed to improve programming yields
and throughput times in a production environment. Up
to 10 100-microsecond pulses are applied until the byte
is verified. A flowchart of the Express algorithm is
shown in Figure 1-3.
Programming takes place when:
Pin
Identity
Input
A0
Output
a) VCC is brought to the proper voltage,
b) OE/VPP is brought to the proper VH level, and
c) CE line is low.
H
e
x
0 O O O O O O O
7
6
5
4
3
2
1
0
Manufacturer
Device Type*
VIL
VIH
0
1
0
0
1
0
0
0
1
1
0
1
0
0
1
0
29
0D
* Code subject to change
DS11173F-page 6
1998 Microchip Technology Inc.
27C512A
FIGURE 1-3: PROGRAMMING EXPRESS ALGORITHM
Conditions:
Start
Tamb = 25˚C ±5˚C
VCC = 6.5 ±0.25V
VPP = 13.0 ±0.25V
ADDR = First Location
VCC = 6.5V
VPP = 13.0V
X = 0
Program one 100 µs pulse
Increment X
Verify
Byte
Pass
Fail
No
Yes
Device
Failed
X = 10 ?
Last
Address?
Yes
No
Increment Address
VCC = VPP = 4.5V, 5.5V
All
Yes
No
bytes
= original
data?
Device
Passed
Device
Failed
1998 Microchip Technology Inc.
DS11173F-page 7
27C512A
NOTES:
DS11173F-page 8
1998 Microchip Technology Inc.
27C512A
NOTES:
1998 Microchip Technology Inc.
DS11173F-page 9
27C512A
NOTES:
DS11173F-page 10
1998 Microchip Technology Inc.
27C512A
27C512A Product Identification System
To order or to obtain information (e.g., on pricing or delivery),, please use listed part numbers, and refer to factory or listed sales offices.
27C512A
–
70
I
/P
L = Plastic Leaded Chip Carrier
P = Plastic DIP (600 Mil)
Package:
SO = Plastic SOIC (300 Mil)
Temperature
Range:
Blank = 0˚C to +70˚C
I = -40˚C to +85˚C
E = -40˚C to +125˚C
90 = 90 ns
10 = 100 ns
12 = 120 ns
15 = 150 ns
Access
Time:
Device:
27C512A
512K (64K x 8) CMOS EPROM
1998 Microchip Technology Inc.
DS11173F-page 11
®
Note the following details of the code protection feature on PICmicro MCUs.
•
•
The PICmicro family meets the specifications contained in the Microchip Data Sheet.
Microchip believes that its family of PICmicro microcontrollers is one of the most secure products 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 knowl-
edge, require using the PICmicro microcontroller in a manner outside the operating specifications contained in the data sheet.
The person doing so may be 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 product.
If you have any further questions about this matter, please contact the local sales office nearest to you.
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
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ponents in life support systems is not authorized except with
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Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER,
PICSTART, PRO MATE, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Tech-
nology Incorporated in the U.S.A. and other countries.
dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
MXDEV, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode
and Total Endurance are trademarks of Microchip Technology
Incorporated in the U.S.A.
Serialized Quick Turn Programming (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.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999. The
Company’s quality system processes and
procedures are QS-9000 compliant for its
PICmicro® 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs and microperipheral
products. In addition, Microchip’s quality
system for the design and manufacture of
development systems is ISO 9001 certified.
2002 Microchip Technology Inc.
M
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Toronto
Milan, Italy
Tel: 39-039-65791-1 Fax: 39-039-6899883
6285 Northam Drive, Suite 108
Mississauga, Ontario L4V 1X5, Canada
Tel: 905-673-0699 Fax: 905-673-6509
India
Microchip Technology Inc.
India Liaison Office
United Kingdom
Arizona Microchip Technology Ltd.
505 Eskdale Road
Winnersh Triangle
Wokingham
Divyasree Chambers
1 Floor, Wing A (A3/A4)
No. 11, O’Shaugnessey Road
Bangalore, 560 025, India
Tel: 91-80-2290061 Fax: 91-80-2290062
Berkshire, England RG41 5TU
Tel: 44 118 921 5869 Fax: 44-118 921-5820
01/18/02
2002 Microchip Technology Inc.
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