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AT93C46A-10PU-2.7 PDF预览

AT93C46A-10PU-2.7

更新时间: 2024-01-06 15:43:05
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
15页 431K
描述
Three-wire Serial EEPROM

AT93C46A-10PU-2.7 数据手册

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Features  
Low-voltage and Standard-voltage Operation  
– 2.7 (VCC = 2.7V to 5.5V)  
– 1.8 (VCC = 1.8V 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  
Automotive Grade, Extended Temperature, and Lead-free/Halogen-free Devices  
Available  
8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP Packages  
Three-wire  
Serial EEPROM  
1K (64 x 16)  
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 industrial and commercial 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.  
AT93C46A  
Note: Not recommended for new  
design; please refer to  
AT93C46E datasheet.  
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 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 AT93C46A is available in 2.7V to 5.5V and 1.8V to 5.5V versions.  
Table 1. Pin Configuration  
8-lead PDIP  
Pin Name  
CS  
Function  
CS  
SK  
DI  
1
2
3
4
8
7
6
5
VCC  
DC  
Chip Select  
NC  
SK  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
DO  
GND  
DI  
8-lead SOIC  
DO  
GND  
VCC  
CS  
1
2
3
4
8
7
6
5
VCC  
SK  
DI  
DC  
Power Supply  
NC  
DO  
GND  
8-lead TSSOP  
CS  
1
2
3
4
8
VCC  
DC  
SK  
DI  
7
6
5
NC  
DO  
GND  
Rev. 0539K–SEEPR–2/07  

AT93C46A-10PU-2.7 替代型号

型号 品牌 替代类型 描述 数据表
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