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Datasheet> All Categories > storage> AT93C66W-10SC-2.7
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AT93C66W-10SC-2.7

Description
IC EEPROM 4K SPI 2MHZ 8SOIC
Categorystorage   
File Size148KB，16 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

AT93C66W-10SC-2.7 Overview

IC EEPROM 4K SPI 2MHZ 8SOIC

AT93C66W-10SC-2.7 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 - Power2.7 V ~ 5.5 V
Operating temperature0°C ~ 70°C（TC）
Installation typesurface mount
Package/casing8-SOIC (0.154", 3.90mm wide)
Supplier device packaging8-SOIC

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Features
•
Low-voltage and Standard-voltage Operation
– 5.0 (V
CC
= 4.5V to 5.5V)
– 2.7 (V
CC
= 2.7V to 5.5V)
– 2.5 (V
CC
= 2.5V to 5.5V)
– 1.8 (V
CC
= 1.8V to 5.5V)
User-selectable Internal Organization
– 1K: 128 x 8 or 64 x 16
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
3-wire Serial Interface
2 MHz Clock Rate (5V) Compatibility
Self-timed Write Cycle (10 ms max)
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >4000V
Automotive Grade and Extended Temperature Devices Available
8-pin PDIP, 8-lead JEDEC and EIAJ SOIC, and 8-lead TSSOP Packages
•
•
•
•
•
3-wire Serial
EEPROMs
1K (128 x 8 or 64 x 16)
2K (256 x 8 or 128 x 16)
4K (512 x 8 or 256 x 16)
•
•
Description
The AT93C46/56/57/66 provides 1024/2048/4096 bits of serial electrically erasable
programmable read only memory (EEPROM) organized as 64/128/256 words of 16
bits each, when the ORG pin is connected to V
CC
and 128/256/512 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 AT93C46/56/57/66 is available in space saving 8-pin PDIP and 8-lead JEDEC
and EIAJ SOIC packages.
(continued)
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 SOIC
8-pin PDIP
AT93C46
AT93C56
AT93C57
AT93C66
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
8-lead SOIC
Rotated (R)
(1K JEDEC Only)
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
8-lead TSSOP
DC
VCC
CS
SK
1
2
3
4
8
7
6
5
ORG
GND
DO
DI
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
Rev. 0172L–10/99
1

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Shortcut:   A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

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