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AT93C86A_08 PDF预览

AT93C86A_08

更新时间: 2024-11-24 06:38:31
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
页数 文件大小 规格书
14页 452K
描述
Three-wire Automotive Temperature Serial EEPROM 16K (2048 x 8 or 1024 x 16)

AT93C86A_08 数据手册

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1. Features  
Medium-voltage and Standard-voltage Operation  
– 2.7 (VCC = 2.7V to 5.5V)  
Automotive Temperature Range –40°C to +125°C  
User Selectable Internal Organization  
– 16K: 2048 x 8 or 1024 x 16  
3-wire Serial Interface  
Sequential Read Operation  
Schmitt Trigger, Filtered Inputs for Noise Suppression  
2 MHz Clock Rate (5V) Compatibility  
Self-timed Write Cycle (10 ms max)  
High Reliability  
Three-wire  
Automotive  
Temperature  
Serial  
– Endurance: 1 Million Write Cycles  
– Data Retention: 100 Years  
Lead-Free/Halogen-Free Devices Available  
8-lead JEDEC SOIC and 8-lead TSSOP Packages  
EEPROM  
2. Description  
16K (2048 x 8 or 1024 x 16)  
The AT93C86A provides 16384 bits of serial electrically erasable programmable read  
only memory (EEPROM), organized as 1024 words of 16 bits each when the ORG pin  
is connected to VCC and 2048 words of 8 bits each when it is tied to ground. The  
device is optimized for use in many automotive applications where low-power and  
low-voltage operations are essential. The AT93C86A is available in space saving 8-  
lead JEDEC SOIC and 8-lead TSSOP packages.  
AT93C86A  
Table 2-1.  
Pin Name  
CS  
Pin Configuration  
Function  
8-lead SOIC  
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  
ORG  
GND  
DI  
DO  
DO  
GND  
VCC  
ORG  
DC  
Power Supply  
Internal Organization  
Don’t Connect  
8-lead TSSOP  
CS  
1
2
3
4
8
7
6
5
VCC  
DC  
SK  
DI  
ORG  
GND  
DO  
The AT93C86A 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. The AT93C86A is available in a 2.7V to 5.5V version.  
Rev. 5096E–SEEPR–1/08  

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