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AT93C46A-10PN-2.7 PDF预览

AT93C46A-10PN-2.7

更新时间: 2024-10-03 03:07:15
品牌 Logo 应用领域
爱特美尔 - ATMEL 可编程只读存储器电动程控只读存储器电可擦编程只读存储器光电二极管
页数 文件大小 规格书
14页 447K
描述
EEPROM, 64X16, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001BA, DIP-8

AT93C46A-10PN-2.7 数据手册

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Features  
Low-voltage and Standard-voltage Operation  
– 5.0 (VCC = 4.5V to 5.5V)  
– 2.7 (VCC = 2.7V to 5.5V)  
Three-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  
Lead-free/Halogen-free Devices Available  
8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP Packages  
Three-wire  
Extended  
Temperature  
Serial EEPROM  
Description  
The AT93C46A provides 1024 bits of serial electrically-erasable programmable read-  
only memory (EEPROM) organized as 64 words of 16 bits each. The device is opti-  
mized for use in many automotive applications where low-power and low-voltage  
operation are essential. The AT93C46A is available in space-saving 8-lead PDIP, 8-  
lead JEDEC SOIC, and 8-lead TSSOP packages.  
1K (64 x 16)  
The AT93C46A 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 data output pin DO. 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.  
AT93C46A  
The AT93C46A is available in 2.7V to 5.5V versions.  
Table 1. Pin Configuration  
8-lead PDIP  
Pin Name  
Function  
CS  
Chip Select  
CS  
SK  
DI  
1
2
3
4
8
7
6
5
VCC  
DC  
SK  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
NC  
DI  
DO  
GND  
DO  
GND  
VCC  
NC  
8-lead SOIC  
Power Supply  
No Connect  
CS  
1
2
3
4
8
7
6
5
VCC  
SK  
DI  
DC  
DC  
Don’t Connect  
NC  
DO  
GND  
8-lead TSSOP  
CS  
SK  
DI  
1
2
3
4
8
7
6
5
VCC  
DC  
NC  
DO  
GND  
5089A–SEEPR–9/04  

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