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28C256T

Maxwell Technologies
Part Number 28C256T
Manufacturer Maxwell Technologies
Description 256K EEPROM (32K x 8-Bit) EEPROM
Published Dec 13, 2008
Detailed Description 28C256T 256K EEPROM (32K x 8-Bit) EEPROM VCC GND DATA INPUTS/OUTPUTS I/O0 - I/O7 OE WE CE OE, CE, and WE LOGIC DATA LA...
Datasheet PDF File 28C256T PDF File

28C256T
28C256T

Overview
28C256T 256K EEPROM (32K x 8-Bit) EEPROM VCC GND DATA INPUTS/OUTPUTS I/O0 - I/O7 OE WE CE OE, CE, and WE LOGIC DATA LATCH INPUT/OUTPUT BUFFERS Y-GATING CELL MATRIX www.
DataSheet4U.
com ADDRESS INPUTS Y DECODER X DECODER IDENTIFICATION Logic Diagram Memory FEATURES: • RAD-PAK® radiation-hardened against natural space radiation • Total dose hardness: - > 100 Krad (Si), dependent upon space mission • Excellent Single Event Effects: - SELTH LET: > 120 MeV/mg/cm2 - SEUTH LET (read mode): > 90 MeV/mg/cm2 - SEUTH LET (write mode): > 18 MeV/mg/cm2 • Package: - 28 pin RAD-PAK® flat pack - 28 pin RAD-PAK® DIP - JEDEC approved byte wide pinout • High Speed: - 120, 150 ns maximum access times available • High endurance: - 10,000 erase/write (in Page Mode), 10-year data retention • Page Write Mode: - 1 to 64 bytes • Low power dissipation: - 15 mA active current (cycle = 1 µ s) - 20 µ A standby current (CE = VCC) DESCRIPTION: Maxwell Technologies’ 28C256T high density 256k-bit EEPROM microcircuit features a greater than 100 krad (Si) total dose tolerance, depending upon space mission.
The 28C256T is capable of in-system electrical byte and page programmability.
It has a 64-Byte page programming function to make its erase and write operations faster.
It also features data polling to indicate the completion of erase and programming operations.
Maxwell Technologies' patented RAD-PAK® packaging technology incorporates radiation shielding in the microcircuit package.
It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission.
In a GEO orbit, RAD-PAK provides greater than 100 krad (Si) radiation dose tolerance.
This product is available with screening up to Class S.
02.
18.
02 Rev 5 All data sheets are subject to change without notice 1 (858) 503-3300 - Fax: (858) 503-3301- www.
maxwell.
com ©2001 Maxwell Technologies All rights reserved.
256K EEPROM (32K x 8-Bit) EEPROM TABLE 1.
28C256T PINOUT DESCRIPTIO...


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