參數(shù)資料
型號(hào)： AT93C56-10SI-2.7
廠商： ATMEL CORP
元件分類： PROM
英文描述： 3-Wire Serial EEPROMs
中文描述： 128 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8
封裝： 0.150 INCH, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù)： 1/21頁(yè)
文件大小： 371K
代理商： AT93C56-10SI-2.7
1
Features
Low-voltage and Standard-voltage Operation
– 2.7 (V
CC = 2.7V to 5.5V)
– 1.8 (VCC = 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
Three-wire Serial Interface
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
Description
The AT93C46/56/66 provides 1024/2048/4096 bits of serial electrically erasable pro-
grammable read-only memory (EEPROM), organized as 64/128/256 words of 16 bits
each (when the ORG pin is connected to VCC), and 128/256/512 words of 8 bits each
(when the ORG pin is tied to ground). The device is optimized for use in many indus-
trial and commercial applications where low-power and low-voltage operations are
essential. The AT93C46/56/66 is available in space-saving 8-lead PDIP, 8-lead
JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP, 8-lead TSSOP, and 8-lead dBGA2
packages.
The AT93C46/56/66 is enabled through the Chip Select pin (CS) and accessed via a
three-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 clocked out serially on the DO pin. The Write cycle is completely self-timed,
and no separate Erase cycle is required before Write. The Write cycle is only enabled
when the part is in the Erase/Write Enable state. When CS is brought high following
the initiation of a Write cycle, the DO pin outputs the Ready/Busy status of the part.
The AT93C46/56/66 is available in 2.7V to 5.5V and 1.8V to 5.5V versions.
Table 1. Pin Configurations
Pin Name
Function
CS
Chip Select
SK
Serial Data Clock
DI
Serial Data Input
DO
Serial Data Output
GND
Ground
VCC
Power Supply
ORG
Internal Organization
DC
Don’t Connect
Three-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)
AT93C46
AT93C56(1)
AT93C66(2)
Note: 1. This device is not recom-
mended for new designs.
Please refer to AT93C56A.
2. This device is not recom-
mended for new designs.
Please refer to AT93C66A.
0172Z–SEEPR–9/05
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
VCC
DC
ORG
GND
CS
SK
D1
D0
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
1
2
3
4
8
7
6
5
DC
VCC
CS
SK
ORG
GND
DO
DI
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
CS
SK
DI
DO
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
DC
ORG
GND
8-lead SOIC
8-lead dBGA2
8-lead PDIP
8-lead SOIC
Rotated (R)
(1K JEDEC Only)
8-lead MAP
8-lead TSSOP
相關(guān)PDF資料
PDF描述
AT93C56A-10PI-1.8 3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16)
AT93C56A 3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16)
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