Product Summary

Description:The AT28C256 is a high-performance Electrically Erasable and Programmable Read Only Memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 150 ns with power dissipation of just 440 mW. When the device is deselected, the CMOS standby current is less than 200 μA.

Parametrics

Absolute Maximum Ratings:
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 with Respect to Ground .............-0.6V to VCC + 0.6V
Voltage on OE and A9 with Respect to Ground ................... -0.6V to +13.5V

Features

Features as below :
(1) Fast Read Access Time - 150 ns;
(2) Automatic Page Write Operation:Internal Address and Data Latches for 64-Bytes Internal Control Timer;
(3) Fast Write Cycle Times Page Write Cycle Time: 3 ms or 10 ms Maximum 1 to 64-Byte Page Write Operation;
(4) Low Power Dissipation:50 mA Active Current,200 μA CMOS Standby Current;
(5) Hardware and Software Data Protection;
(6) DATA Polling for End of Write Detection ;
(7) High Reliability CMOS Technology,Endurance: 104 or 105 Cycles ,Data Retention: 10 Years;
(8) Single 5V ± 10% Supply;
(9) CMOS and TTL Compatible Inputs and Outputs;
(10) JEDEC Approved Byte-Wide Pinout;
(11) Full Military, Commercial, and Industrial Temperature Ranges

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT28C256-15TU
AT28C256-15TU

Atmel

EEPROM 256K 32K x 8 150 ns 4.5V-5.5V

Data Sheet

0-352: $3.05
352-500: $2.97
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT28BV16
AT28BV16

Other


Data Sheet

Negotiable 
AT28BV16-25JC
AT28BV16-25JC

Atmel

EEPROM 16k bit

Data Sheet

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AT28BV16-25JI
AT28BV16-25JI

Atmel

IC EEPROM 16K 2.7V 32PLCC

Data Sheet

Negotiable 
AT28BV16-25PC
AT28BV16-25PC


IC EEPROM 16KBIT 250NS 24DIP

Data Sheet

Negotiable 
AT28BV16-25PI
AT28BV16-25PI

Atmel

IC EEPROM 16K 2.7V 24DIP

Data Sheet

Negotiable 
AT28BV16-25SC
AT28BV16-25SC

Atmel

EEPROM 16k bit

Data Sheet

Negotiable