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29C020 Datasheet دیتاشیت PDF دانلود

دیتاشیت - ATMEL - 2-Megabit 256K x 8 5-volt Only CMOS Flash Memory

شماره قطعه 29C020
شرح مفصل 2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
تولید کننده ATMEL 
آرم ATMEL 


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29C020 شرح
Features
Fast Read Access Time - 90 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 8 KB Boot Blocks with Lockout
Fast Sector Program Cycle Time - 10 ms
DATA Polling for End of Program Detection
•• Low Power Dissipation
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
2-Megabit
(256K x 8)
5-volt Only
CMOS Flash
Memory
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 ac-
cess times to 90 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.
(continued)
AT29C020
Pin Configurations
Pin Name Function
A0 - A17 Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O7 Data Inputs/Outputs
NC No Connect
DIP Top View
AT29C020
PLCC Top View
TSOP Top View
Type 1
0291I/G20-I–6/97

قانون اساسیصفحه 11
دانلود [ 29C020 دیتاشیت ]



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