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AT93C66AW-10SI-1.8

Description
IC EEPROM 4K SPI 2MHZ 8SOIC
Categorystorage   
File Size152KB,18 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

AT93C66AW-10SI-1.8 Overview

IC EEPROM 4K SPI 2MHZ 8SOIC

AT93C66AW-10SI-1.8 Parametric

Parameter NameAttribute value
memory typenon-volatile
memory formatEEPROM
technologyEEPROM
storage4Kb (512 x 8,256 x 16)
Clock frequency2MHz
Write cycle time - words, pages10ms
memory interfaceSPI
Voltage - Power1.8 V ~ 5.5 V
Operating temperature-40°C ~ 85°C(TA)
Installation typesurface mount
Package/casing8-SOIC (0.154", 3.90mm wide)
Supplier device packaging8-SOIC
Features
Low-voltage and Standard-voltage Operation
– 2.7 (V
CC
= 2.7V to 5.5V)
– 1.8 (V
CC
= 1.8V to 5.5V)
User-selectable Internal Organization
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
3-wire Serial Interface
Sequential Read Operation
2 MHz Clock Rate (5V)
Self-timed Write Cycle (10 ms Max)
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Automotive Grade, Extended Temperature and Lead-free/Halogen-free
Devices Available
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP, 8-lead TSSOP
and 8-ball dBGA2
Packages
3-wire Serial
EEPROMs
2K (256 x 8 or 128 x 16)
4K (512 x 8 or 256 x 16)
Description
The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable program-
mable read only memory (EEPROM) organized as 128/256 words of 16 bits each,
when the ORG pin is connected to VCC and 256/512 words of 8 bits each when it is
tied to ground. The device is optimized for use in many industrial and commercial
applications where low power and low voltage operations are essential. The
AT93C56A/66A is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead
EIAJ SOIC, 8-lead MAP, 8-lead TSSOP and 8-ball dBGA2™ packages.
The AT93C56A/66A is enabled through the Chip Select pin (CS), and accessed via a
3-wire serial interface consisting of Data Input (DI), Data Output (DO), and Shift Clock
(SK). Upon receiving a READ instruction at DI, the address is decoded and the data is
AT93C56A
AT93C66A
Advance
Information
Pin Configurations
Pin Name
CS
SK
DI
DO
GND
VCC
ORG
DC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Internal Organization
Don’t Connect
8-lead MAP
8-lead PDIP
8-lead TSSOP
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
8-ball dBGA2
VCC
DC
ORG
GND
8
7
6
5
1
2
3
4
8-lead SOIC
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
CS
SK
DI
DO
Bottom View
VCC
DC
ORG
GND
8
7
6
5
1
2
3
4
CS
SK
DI
DO
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
Rev. 3378E–SEEPR–1/04
Bottom View
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