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AT27C256R-45RCT/R PDF预览

AT27C256R-45RCT/R

更新时间: 2024-01-28 04:52:24
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
页数 文件大小 规格书
9页 254K
描述
OTP ROM, 32KX8, 45ns, CMOS, PDSO28, 0.330 INCH, PLASTIC, SOIC-28

AT27C256R-45RCT/R 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:TSOP1
包装说明:8 X 13.40 MM, GREEN, PLASTIC, MO-183, TSOP1-28针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.6
Is Samacsys:N最长访问时间:45 ns
I/O 类型:COMMONJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:11.8 mm
内存密度:262144 bit内存集成电路类型:OTP ROM
内存宽度:8湿度敏感等级:3
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:85 °C
最低工作温度:-40 °C组织:32KX8
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:TSOP1封装等效代码:TSSOP28,.53,22
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
并行/串行:PARALLEL峰值回流温度(摄氏度):260
电源:5 V编程电压:13 V
认证状态:Not Qualified座面最大高度:1.2 mm
最大待机电流:0.0001 A子类别:OTP ROMs
最大压摆率:0.02 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:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.55 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:8 mmBase Number Matches:1

AT27C256R-45RCT/R 数据手册

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AT27C256R  
Features  
Fast Read Access Time - 45 ns  
Low Power CMOS Operation  
100 µA max. Standby  
20 mA max. Active at 5 MHz  
JEDEC Standard Packages  
28-Lead 600-mil PDIP  
32-Lead PLCC  
28-Lead TSOP and SOIC  
5V ± 10% Supply  
High Reliability CMOS Technology  
2,000V ESD Protection  
200 mA Latchup Immunity  
Rapid Programming Algorithm - 100 µs/byte (typical)  
CMOS and TTL Compatible Inputs and Outputs  
256K (32K x 8)  
OTP  
CMOS  
Integrated Product Identification Code  
Commercial and Industrial Temperature Ranges  
EPROM  
Description  
The AT27C256R is a low-power, high performance 262,144 bit one-time programma-  
ble read only memory (OTP EPROM) organized 32K by 8 bits. It requires only one  
5V power supply in normal read mode operation. Any byte can be accessed in less  
than 45 ns, eliminating the need for speed reducing WAIT states on high performance  
microprocessor systems.  
Atmel’s scaled CMOS technology provides low active power consumption, and fast  
programming. Power consumption is typically only 8 mA in Active Mode and less  
than 10 µA in Standby.  
(continued)  
Pin Configurations  
PDIP, SOIC Top View  
Pin Name Function  
AT27C256R  
A0 - A14  
O0 - O7  
CE  
Addresses  
Outputs  
Chip Enable  
Output Enable  
No Connect  
OE  
NC  
PLCC Top View  
TSOP Top View  
Type 1  
Note: PLCC Package Pins 1 and  
17 are DON’T CONNECT.  
0014G  
3-125  

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