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AT27C256R-70RK PDF预览

AT27C256R-70RK

更新时间: 2024-02-17 12:17:52
品牌 Logo 应用领域
美国微芯 - MICROCHIP OTP只读存储器ATM异步传输模式光电二极管内存集成电路
页数 文件大小 规格书
15页 402K
描述
OTP ROM, 32KX8, 70ns, CMOS, PDSO28, 0.330 INCH, PLASTIC, SOIC-28

AT27C256R-70RK 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:SOIC
包装说明:SOP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.61
最长访问时间:70 nsJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:18.25 mm
内存密度:262144 bit内存集成电路类型:OTP ROM
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:125 °C最低工作温度:-40 °C
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:PARALLEL
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:2.79 mm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:AUTOMOTIVE端子面层:MATTE TIN
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:8.69 mm

AT27C256R-70RK 数据手册

 浏览型号AT27C256R-70RK的Datasheet PDF文件第2页浏览型号AT27C256R-70RK的Datasheet PDF文件第3页浏览型号AT27C256R-70RK的Datasheet PDF文件第4页浏览型号AT27C256R-70RK的Datasheet PDF文件第5页浏览型号AT27C256R-70RK的Datasheet PDF文件第6页浏览型号AT27C256R-70RK的Datasheet PDF文件第7页 
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 PDIP  
– 32-lead PLCC  
– 28-lead TSOP and SOIC  
256K (32K x 8)  
OTP EPROM  
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  
Integrated Product Identification Code  
Industrial and Automotive Temperature Ranges  
Green (Pb/Halide-free) Packaging Option  
AT27C256R  
1. 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.  
The AT27C256R is available in a choice of industry-standard JEDEC-approved one  
time programmable (OTP) plastic DIP, PLCC, SOIC, and TSOP packages. All devices  
feature two-line control (CE, OE) to give designers the flexibility to prevent bus  
contention.  
With 32K byte storage capability, the AT27C256R allows firmware to be stored reli-  
ably and to be accessed by the system without the delays of mass storage media.  
Atmel’s AT27C256R has additional features to ensure high quality and efficient pro-  
duction use. The Rapid Programming Algorithm reduces the time required to program  
the part and guarantees reliable programming. Programming time is typically only  
100 µs/byte. The Integrated Product Identification Code electronically identifies the  
device and manufacturer. This feature is used by industry-standard programming  
equipment to select the proper programming algorithms and voltages.  
0014M–EPROM–12/07  

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