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AT28BV256-20PL PDF预览

AT28BV256-20PL

更新时间: 2024-11-28 13:00:51
品牌 Logo 应用领域
爱特美尔 - ATMEL 电池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
16页 255K
描述
EEPROM, 32KX8, 200ns, Parallel, CMOS, PDIP28, 0.600 INCH, PLASTIC, MS-011AB, DIP-28

AT28BV256-20PL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.29
最长访问时间:200 ns其他特性:AUTOMATIC WRITE
JESD-30 代码:R-PDIP-T28JESD-609代码:e3
长度:37.0205 mm内存密度:262144 bit
内存集成电路类型:EEPROM内存宽度:8
湿度敏感等级:1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封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE并行/串行:PARALLEL
峰值回流温度(摄氏度):245编程电压:3 V
认证状态:Not Qualified座面最大高度:4.826 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):3 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:MATTE TIN端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:15.24 mm
最长写入周期时间 (tWC):10 msBase Number Matches:1

AT28BV256-20PL 数据手册

 浏览型号AT28BV256-20PL的Datasheet PDF文件第2页浏览型号AT28BV256-20PL的Datasheet PDF文件第3页浏览型号AT28BV256-20PL的Datasheet PDF文件第4页浏览型号AT28BV256-20PL的Datasheet PDF文件第5页浏览型号AT28BV256-20PL的Datasheet PDF文件第6页浏览型号AT28BV256-20PL的Datasheet PDF文件第7页 
Features  
Single 2.7V - 3.6V Supply  
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)  
Battery-Voltage  
Parallel  
– 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  
JEDEC Approved Byte-wide Pinout  
EEPROMs  
Commercial and Industrial Temperature Ranges  
Description  
AT28BV256  
The AT28BV256 is a high-performance Electrically Erasable and Programmable Read  
Only Memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufac-  
tured 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.  
PDIP, SOIC – Top View  
Pin Configurations  
A14  
A12  
A7  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
WE  
A13  
A8  
Pin Name  
A0 - A14  
CE  
Function  
2
3
Addresses  
A6  
4
A5  
5
A9  
Chip Enable  
Output Enable  
Write Enable  
Data Inputs/Outputs  
No Connect  
A4  
6
A11  
OE  
A3  
7
OE  
A2  
8
A10  
CE  
A1  
9
A0  
10  
11  
12  
13  
14  
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
WE  
I/O0  
I/O1  
I/O2  
GND  
I/O0 - I/O7  
NC  
DC  
Don’t Connect  
Note:  
1. Note: PLCC package pins 1 and 17  
are DON’T CONNECT.  
PLCC – Top View  
TSOP – Top View  
OE  
A11  
A9  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
A10  
CE  
A6  
A5  
A4  
A3  
A2  
5
6
7
8
9
29 A8  
28 A9  
27 A11  
26 NC  
25 OE  
24 A10  
23 CE  
22 I/O7  
21 I/O6  
2
3
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
GND  
I/O2  
I/O1  
I/O0  
A0  
A8  
4
A13  
WE  
5
6
VCC  
A14  
A12  
A7  
7
A1 10  
A0 11  
8
9
NC 12  
I/O0 13  
10  
11  
12  
13  
14  
A6  
A5  
A4  
A1  
A3  
A2  
0273H–PEEPR–10/04  

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