AT29C020-10 ATMEL Corporation, AT29C020-10 Datasheet
AT29C020-10
Manufacturer Part Number
AT29C020-10
Description
2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT29C020-10.pdf
(11 pages)
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Features
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 A. Device endurance is such that any sector can typically be written to in
excess of 10,000 times.
Pin Configurations
Pin Name Function
A0 - A17
CE
OE
WE
I/O0 - I/O7 Data Inputs/Outputs
NC
Fast Read Access Time - 90 ns
5-Volt-Only Reprogramming
Sector Program Operation
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
Typical Endurance > 10,000 Cycles
Single 5V 10% Supply
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
PLCC Top View
Single Cycle Reprogram (Erase and Program)
1024 Sectors (256 bytes/sector)
Internal Address and Data Latches for 256-Bytes
40 mA Active Current
100 A CMOS Standby Current
Addresses
Chip Enable
Output Enable
Write Enable
No Connect
TSOP Top View
DIP Top View
Type 1
(continued)
AT29C020
2-Megabit
(256K x 8)
5-volt Only
CMOS Flash
Memory
AT29C020
0291I/G20-I–6/97
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