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93AA56-SM Datasheet(PDF) 1 Page - Microchip Technology

Part # 93AA56-SM
Description  1K/2K/4K 1.8V Microwire Serial EEPROM
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

93AA56-SM Datasheet(HTML) 1 Page - Microchip Technology

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© 1996 Microchip Technology Inc.
DS20067G-page 1
FEATURES
• Single supply with programming operation down
to 1.8V
• Low power CMOS technology
- 70
µA typical active READ current at 1.8V
-2
µA typical standby current at 1.8V
• ORG pin selectable memory configuration
- 128 x 8- or 64 x 16-bit organization (93AA46)
- 256 x 8- or 128 x 16-bit organization
(93AA56)
- 512 x 8 or 256 x 16 bit organization (93AA66)
• Self-timed ERASE and WRITE cycles
(including auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial I/O
• Device status signal during ERASE/WRITE cycles
• Sequential READ function
• 10,000,000 ERASE/WRITE cycles guaranteed on
93AA56 and 93AA66
• 1,000,000 E/W cycles guaranteed on 93AA46
• Data retention > 200 years
• 8-pin PDIP/SOIC
(SOIC in JEDEC and EIAJ standards)
• Temperature ranges supported
DESCRIPTION
The Microchip Technology Inc. 93AA46/56/66 are 1K,
2K and 4K low voltage serial Electrically Erasable
PROMs. The device memory is configured as x8 or x16
bits depending on the ORG pin setup. Advanced
CMOS technology makes these devices ideal for low
power non-volatile memory applications. The 93AA
Series is available in standard 8-pin DIP and surface
mount SOIC packages. The rotated pin-out 93AA46X/
56X/66X are offered in the “SN” package only.
- Commercial (C):
0
°C to +70°C
PACKAGE TYPES
BLOCK DIAGRAM
1
2
3
4
8
7
6
5
CS
CLK
DI
DO
SS
V
NU
ORG
V
CC
1
2
3
4
8
7
6
5
SS
V
NU
ORG
V
CC
CS
CLK
DI
DO
1
2
3
4
8
7
6
5
ORG
Vss
DO
DI
NU
Vcc
CS
CLK
DIP
SOIC
SOIC
MEMORY
ARRAY
ADDRESS
DECODER
VCC
VSS
DATA REGISTER
DO
MODE
DECODE
LOGIC
CLOCK
GENERATOR
OUTPUT
BUFFER
DI
CS
ORG
CLK
ADDRESS
COUNTER
93AA46/56/66
1K/2K/4K 1.8V Microwire® Serial EEPROM
Microwire is a registered trademark of National Semiconductor Incorporated.
This document was created with FrameMaker404


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