93AA66 Data Sheet PDF | Microchip Technology





(Datasheet) 93AA66 PDF Download

Part Number 93AA66
Description 1K/2K/4K 1.8V Microwire Serial EEPROM
Manufacture Microchip Technology
Total Page 12 Pages
PDF Download Download 93AA66 Datasheet PDF

Features: 93AA46/56/66 1K/2K/4K 1.8V Microwire® S erial EEPROM FEATURES • Single supply with programming operation down to 1.8 V • Low power CMOS technology - 70 µ A typical active READ current at 1.8V - 2 µA typical standby current at 1.8V • ORG pin selectable memory configur ation - 128 x 8- or 64 x 16-bit organiz ation (93AA46) - 256 x 8- or 128 x 16-b it organization (93AA56) - 512 x 8 or 2 56 x 16 bit organization (93AA66) • S elf-timed ERASE and WRITE cycles (inclu ding auto-erase) • Automatic ERAL bef ore WRAL • Power on/off data protecti on circuitry • Industry standard 3-wi re serial I/O • Device status signal during ERASE/WRITE cycles • Sequentia l READ function • 10,000,000 ERASE/WR ITE cycles guaranteed on 93AA56 and 93A A66 • 1,000,000 E/W cycles guaranteed on 93AA46 • Data retention > 200 yea rs • 8-pin PDIP/SOIC (SOIC in JEDEC a nd EIAJ standards) • Temperature rang es supported - Commercial (C): 0°C to +70°C PACKAGE TYPES DIP CS CLK DI DO 1 8 V CC NU ORG V SS 93AA46 93AA56 93AA66 2 3 4 7 6 5 S.

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93AA66 datasheet
93AA46/56/66
1K/2K/4K 1.8V Microwire® Serial EEPROM
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
- Commercial (C):
0°C to +70°C
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.
PACKAGE TYPES
DIP
CS 1
CLK 2
DI 3
DO 4
SOIC
CS
CLK
DI
DO
SOIC
NU
Vcc
CS
CLK
1
2
3
4
1
2
3
4
8 VCC
7 NU
6 ORG
5 V SS
8 VCC
7 NU
6 ORG
5 V SS
8 ORG
7 Vss
6 DO
5 DI
BLOCK DIAGRAM
VCC
VSS
MEMORY
ARRAY
ADDRESS
DECODER
DI
ORG
CS
CLK
DATA REGISTER
MODE
DECODE
LOGIC
CLOCK
GENERATOR
ADDRESS
COUNTER
OUTPUT
BUFFER
Microwire is a registered trademark of National Semiconductor Incorporated.
DO
© 1996 Microchip Technology Inc.
DS20067G-page 1
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