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AT27C020-90PA PDF预览

AT27C020-90PA

更新时间: 2024-02-22 23:43:36
品牌 Logo 应用领域
爱特美尔 - ATMEL 存储内存集成电路光电二极管异步传输模式ATM可编程只读存储器OTP只读存储器电动程控只读存储器
页数 文件大小 规格书
14页 358K
描述
2-megabit (256K x 8) OTP EPROM

AT27C020-90PA 技术参数

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 20 MM, GREEN, PLASTIC, MO-142BD, TSOP1-32
针数:32Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.71
风险等级:5.64Is Samacsys:N
最长访问时间:90 nsI/O 类型:COMMON
JESD-30 代码:R-PDSO-G32JESD-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:TSSOP32,.8,20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
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:0.025 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:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:8 mmBase Number Matches:1

AT27C020-90PA 数据手册

 浏览型号AT27C020-90PA的Datasheet PDF文件第2页浏览型号AT27C020-90PA的Datasheet PDF文件第3页浏览型号AT27C020-90PA的Datasheet PDF文件第4页浏览型号AT27C020-90PA的Datasheet PDF文件第5页浏览型号AT27C020-90PA的Datasheet PDF文件第6页浏览型号AT27C020-90PA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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