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AT29C020-15JU PDF预览

AT29C020-15JU

更新时间: 2024-09-20 21:17:07
品牌 Logo 应用领域
爱特美尔 - ATMEL 内存集成电路
页数 文件大小 规格书
17页 420K
描述
Flash, 256KX8, 150ns, PQCC32, PLASTIC, MS-016AE, LCC-32

AT29C020-15JU 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFJ包装说明:PLASTIC, MS-016AE, LCC-32
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.83最长访问时间:150 ns
JESD-30 代码:R-PQCC-J32JESD-609代码:e3
长度:13.97 mm内存密度:2097152 bit
内存集成电路类型:FLASH内存宽度:8
湿度敏感等级:2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:QCCJ
封装形状:RECTANGULAR封装形式:CHIP CARRIER
并行/串行:PARALLEL峰值回流温度(摄氏度):245
编程电压:5 V认证状态:Not Qualified
座面最大高度:3.556 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: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:40
类型:NOR TYPE宽度:11.43 mm
最长写入周期时间 (tWC):10 msBase Number Matches:1

AT29C020-15JU 数据手册

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Features  
Fast Read Access Time – 70 ns  
5-volt Only Reprogramming  
Sector Program Operation  
– Single Cycle Reprogram (Erase and Program)  
– 1024 Sectors (256 Bytes/Sector)  
– Internal Address and Data Latches for 256 Bytes  
Internal Program Control and Timer  
Hardware and Software Data Protection  
Two 8K Bytes Boot Blocks with Lockout  
Fast Sector Program Cycle Time – 10 ms  
DATA Polling for End of Program Detection  
Low Power Dissipation  
2-megabit  
(256K x 8)  
5-volt Only  
Flash Memory  
– 40 mA Active Current  
– 100 µA CMOS Standby Current  
Typical Endurance > 10,000 Cycles  
Single 5V 10% Supply  
CMOS and TTL Compatible Inputs and Outputs  
Commercial and Industrial Temperature Ranges  
Green (Pb/Halide-free) Packaging Option  
AT29C020  
1. Description  
The AT29C020 is a 5-volt-only in-system Flash programmable and erasable read-only  
memory (PEROM). Its 2 megabits of memory is organized as 262,144 bytes. Manu-  
factured with Atmel’s advanced nonvolatile CMOS technology, the device offers  
access times to 70 ns with power dissipation of just 220 mW over the commercial tem-  
perature range. When the device is deselected, the CMOS standby current is less  
than 100 µA. Device endurance is such that any sector can typically be written to in  
excess of 10,000 times.  
To allow for simple in-system reprogrammability, the AT29C020 does not require high  
input voltages for programming. Five-volt-only commands determine the operation of  
the device. Reading data out of the device is similar to reading from an EPROM.  
Reprogramming the AT29C020 is performed on a sector basis; 256 bytes of data are  
loaded into the device and then simultaneously programmed.  
During a reprogram cycle, the address locations and 256 bytes of data are internally  
latched, freeing the address and data bus for other operations. Following the initiation  
of a program cycle, the device will automatically erase the sector and then program  
the latched data using an internal control timer. The end of a program cycle can be  
detected by DATA polling of I/O7. Once the end of a program cycle has been  
detected, a new access for a read or program can begin.  
0291Q–FLASH–11/05  

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