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AT93C46DN-SH-B 其他数据使用手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
EEPROM芯片
封装:
SOIC-8
描述:
ATMEL AT93C46DN-SH-B EEPROM, 1 Kbit, 128 x 8位 / 64 x 16位, 2 MHz, 串行微丝, SOIC, 8 引脚
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AT93C46DN-SH-B数据手册
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Features
• Low-voltage and Standard-voltage Operation
– 1.8 (V
CC
= 1.8V to 5.5V)
• User-selectable Internal Organization
– 1K: 128 x 8 or 64 x 16
• Three-wire Serial Interface
• 2 MHz Clock Rate (5V)
• Self-timed Write Cycle (5 ms max)
• High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
• 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin mini-MAP (MLP 2x3), 8-lead
TSSOP and 8-ball dBGA2 Packages
• Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers
Description
The AT93C46D provides 1024 bits of serial electrically erasable programmable read-
only memory (EEPROM), organized as 64 words of 16 bits each (when the ORG pin is
connected to VCC), and 128 words of 8 bits each (when the ORG pin is tied to
ground). The device is optimized for use in many industrial and commercial applica-
tions where low-power and low-voltage operations are essential. The AT93C46D is
available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin mini-
MAP (MLP 2x3), 8-lead TSSOP, and 8-lead dBGA2 packages.
The AT93C46D 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 AT93C46D is available in 1.8 (1.8V to 5.5V) version.
Table 0-1. 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
NC No Connect
Three-wire
Serial
EEPROM
1K (128 x 8 or 64 x 16)
AT93C46D
5193F–SEEPR–1/08
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
NC
ORG
GND
VCC
NC
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
NC
ORG
GND
1
2
3
4
8
7
6
5
VCC
NC
ORG
GND
CS
SK
DI
DO
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
NC
ORG
GND
8-lead SOIC
8-lead dBGA2
8-lead PDIP
8-lead Ultra Thin mini-MAP (MLP 2x3)
8-lead TSSOP
Bottom View
Bottom View
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