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AT27C020-55TJ PDF预览

AT27C020-55TJ

更新时间: 2024-01-05 23:15:17
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
14页 359K
描述
OTP ROM, 256KX8, 55ns, CMOS, PDSO32, 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32

AT27C020-55TJ 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:TSOP1,针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.64
最长访问时间:55 nsJESD-30 代码:R-PDSO-G32
JESD-609代码:e3长度:18.4 mm
内存密度:2097152 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:32
字数:262144 words字数代码:256000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:256KX8
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峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.2 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:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:8 mm

AT27C020-55TJ 数据手册

 浏览型号AT27C020-55TJ的Datasheet PDF文件第2页浏览型号AT27C020-55TJ的Datasheet PDF文件第3页浏览型号AT27C020-55TJ的Datasheet PDF文件第4页浏览型号AT27C020-55TJ的Datasheet PDF文件第5页浏览型号AT27C020-55TJ的Datasheet PDF文件第6页浏览型号AT27C020-55TJ的Datasheet PDF文件第7页 
Features  
Fast Read Access Time – 55 ns  
Low-power CMOS Operation  
– 100 µA Max Standby  
– 25 mA Max Active at 5 MHz  
JEDEC Standard Packages  
– 32-lead PDIP  
– 32-lead PLCC  
– 32-lead TSOP  
2-megabit  
(256K x 8)  
OTP EPROM  
5V ± ± 10% Supply  
High-reliability CMOS Technology  
– 2,000V ESD Protection  
– 200 mA Latch-up 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  
AT27C020  
1. Description  
The AT27C020 is a low-power, high-performance, 2,097,152-bit, one-time program-  
mable read-only memory (OTP EPROM) organized as 256K by 8 bits. It requires only  
one 5V power supply in normal read mode operation. Any byte can be accessed  
in less than 55 ns, eliminating the need for speed-reducing WAIT states on high-  
performance microprocessor systems.  
In read mode, the AT27C020 typically consumes 8 mA. Standby mode supply current  
is typically less than 10 µA.  
The AT27C020 is available in a choice of industry-standard JEDEC-approved one-  
time programmable (OTP) plastic PDIP, PLCC and TSOP packages. All devices fea-  
ture two-line control (CE, OE) to give designers the flexibility to prevent bus  
contention.  
With 256K bytes storage capability, the AT27C020 allows firmware to be stored reli-  
ably and to be accessed by the system without the delays of mass storage media.  
Atmel’s AT27C020 has additional features to ensure high quality and efficient produc-  
tion use. The RapidProgramming 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.  
0570G–EPROM–12/07  

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