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AT28HC256NF-12JI PDF预览

AT28HC256NF-12JI

更新时间: 2024-11-29 18:46:11
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内存集成电路
页数 文件大小 规格书
14页 163K
描述
EEPROM, 32KX8, 120ns, Parallel, CMOS, PQCC32, PLASTIC, MS-016AE, LCC-32

AT28HC256NF-12JI 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFJ包装说明:QCCJ, LDCC32,.5X.6
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.72最长访问时间:120 ns
命令用户界面:NO数据轮询:YES
JESD-30 代码:R-PQCC-J32JESD-609代码:e0
长度:13.97 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:2功能数量:1
端子数量:32字数:32768 words
字数代码:32000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC32,.5X.6
封装形状:RECTANGULAR封装形式:CHIP CARRIER
页面大小:64 words并行/串行:PARALLEL
峰值回流温度(摄氏度):225电源:5 V
编程电压:5 V认证状态:Not Qualified
座面最大高度:3.556 mm最大待机电流:0.0003 A
子类别:EEPROMs最大压摆率:0.08 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30切换位:YES
宽度:11.43 mm最长写入周期时间 (tWC):3 ms
Base Number Matches:1

AT28HC256NF-12JI 数据手册

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Features  
Fast Read Access Time – 90 ns  
Automatic Page Write Operation  
– Internal Address and Data Latches for 64 Bytes  
– Internal Control Timer  
Fast Write Cycle Times  
– Page Write Cycle Time: 3 ms or 10 ms Maximum  
– 1 to 64-byte Page Write Operation  
Low Power Dissipation: 3 mA Standby Current  
Hardware and Software Data Protection  
DATA Polling for End of Write Detection  
High Reliability CMOS Technology  
– Endurance: 104 or 105 Cycles  
– Data Retention: 10 Years  
Single 5V ±10% Supply  
CMOS and TTL Compatible Inputs and Outputs  
JEDEC Approved Byte-wide Pinout  
256 (32K x 8)  
High-speed  
Parallel  
EEPROM  
Description  
The AT28HC256N 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 AT28HC256N offers  
access times to 90 ns with power dissipation of just 440 mW. When the AT28HC256N  
is deselected, the standby current is less than 5 mA.  
AT28HC256N  
Pin Configurations  
Pin Name  
A0 - A14  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Data Inputs/Outputs  
No Connect  
OE  
TSOP  
Top View  
WE  
I/O0 - I/O7  
NC  
OE  
A11  
A9  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
A10  
CE  
2
3
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
GND  
I/O2  
I/O1  
I/O0  
A0  
A8  
4
A13  
WE  
VCC  
A14  
A12  
A7  
5
LCC, PLCC  
Top View  
6
7
8
9
10  
11  
12  
13  
14  
A6  
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  
A5  
A4  
A1  
A3  
A2  
A1 10  
A0 11  
NC 12  
I/O0 13  
3446A–PEEPR–1/04  

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