AT29C040A

Features:

Fast Read Access Time - 100 ns
5-Volt-Only Reprogramming
Sector Program Operation
    Single Cycle Reprogram (Erase and Program)
    2048 Sectors (256 bytes/sector)
    Internal Address and Data Latches for 256-Bytes
Internal Program Control and Timer
Hardware and Software Data Protection
Two 16 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  A CMOS Standby Current
Typical Endurance > 10,000 Cycles
Single 5V   10% Supply
CMOS and TTL Compatible Inputs and Outputs

Pinout




Specifications

Temperature Under Bias.....................-55°C to +125°C
Storage Temperature..........................-65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground...........................-0.6V to +6.25V
All Output Voltages + 0.6V
with Respect to Ground.....................................-0.6V to V
Voltage on OE with Respect to Ground....-0.6V to +13.5V


Description

   The AT29C040A is a 5-volt-only in-system Flash Programmable and Erasable Read Only Memory (PEROM). Its 4 megabits of memory is organized as 524,288 words by 8 bits. Manufactured with Atmel!s advanced nonvolatile CMOS EEPROM technology the device offers access times up to 100 ns, and a low 220 mW power dissipation.When AT29C040A is deselected, the CMOS standby current is less than 100 A. AT29C040A endurance is such that any sector can typically be written to in excess of 10,000 times. The programming algorithm is compatible with other devices in Atmel!5-volt-only Flash family.