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AT28LV256-25TCT/R PDF预览

AT28LV256-25TCT/R

更新时间: 2024-11-28 13:05:43
品牌 Logo 应用领域
爱特美尔 - ATMEL 可编程只读存储器
页数 文件大小 规格书
10页 605K
描述
EEPROM, 32KX8, 250ns, Parallel, CMOS, PDSO28, PLASTIC, TSOP-28

AT28LV256-25TCT/R 技术参数

生命周期:Obsolete零件包装代码:TSOP
包装说明:TSOP1,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.76
Is Samacsys:N最长访问时间:250 ns
其他特性:AUTOMATIC WRITEJESD-30 代码:R-PDSO-G28
长度:11.8 mm内存密度:262144 bit
内存集成电路类型:EEPROM内存宽度:8
功能数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:32KX8
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:TSOP1封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE并行/串行:PARALLEL
编程电压:3 V认证状态:Not Qualified
座面最大高度:1.2 mm最大供电电压 (Vsup):3.465 V
最小供电电压 (Vsup):3.135 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.55 mm端子位置:DUAL
宽度:8 mmBase Number Matches:1

AT28LV256-25TCT/R 数据手册

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AT28LV256  
Features  
Fast Read Access Time - 200 ns  
Automatic Page Write Operation  
Internal Address and Data Latches for 64-Bytes  
Internal Control Timer  
Fast Write Cycle Times  
Page Write Cycle Time: 10 ms Maximum  
1 to 64-Byte Page Write Operation  
Low Power Dissipation  
15 mA Active Current  
256K (32K x 8)  
Low Voltage  
CMOS  
20 µA CMOS Standby Current  
Hardware and Software Data Protection  
DATA Polling for End of Write Detection  
High Reliability CMOS Technology  
Endurance: 10,000 Cycles  
Data Retention: 10 Years  
Single 3.3V ± 5% Supply  
JEDEC Approved Byte-Wide Pinout  
Commercial and Industrial Temperature Ranges  
E2PROM  
Description  
The AT28LV256 is a high-performance Electrically Erasable and Programmable  
Read Only Memory. Its 256K of memory is organized as 32,768 words by 8 bits.  
Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers  
access times to 200 ns with power dissipation of just 54 mW. When the device is  
deselected, the CMOS standby current is less than 200 µA.  
The AT28LV256 is accessed like a Static RAM for the read or write cycle without the  
need for external components. The device contains a 64-byte page register to allow  
writing of up to 64-bytes simultaneously. During a write cycle, the addresses and 1 to  
(continued)  
Pin Configurations  
AT28LV256  
PDIP, SOIC  
Top View  
Pin Name  
A0 - A14  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Data Inputs/Outputs  
No Connect  
OE  
WE  
I/O0 - I/O7  
NC  
DC  
Don’t Connect  
PLCC  
Top View  
TSOP  
Top View  
Note: PLCC package pins 1 and  
17 are DON’T CONNECT.  
0273E  
2-145  

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