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X28C256

Features: . Access Time: 200ns. Simple Byte and Page Write-Single 5V Supply-No External High Voltages or VPP Control Circuits-Self-Timed-No Erase Before Write-No Complex Programming Algorithms-No Overerase Problem. Low Power CMOS:-Active: 60mA-Standby: 200A. Software Data Protection-Protects Data ...

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SeekIC No. : 004547170 Detail

X28C256: Features: . Access Time: 200ns. Simple Byte and Page Write-Single 5V Supply-No External High Voltages or VPP Control Circuits-Self-Timed-No Erase Before Write-No Complex Programming Algorithms-No Ov...

X28C256 Data Sheet

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Part Number:
X28C256
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

.  Access Time:  200ns
.  Simple Byte and Page Write
-Single 5V Supply
-No External High Voltages or VPP Control Circuits
-Self-Timed
-No Erase Before Write
-No Complex Programming Algorithms
-No Overerase Problem
.  Low Power CMOS:
-Active:  60mA
-Standby:  200A
.  Software Data Protection
-Protects Data Against System Level Inadvertent Writes
.  High Speed Page Write Capability (TM)
.  Highly Reliable Direct Write  Cell
-Endurance: 100,000 Write Cycles
-Data Retention: 100 Years
.  Early End of Write Detection
-DATA Polling
-Toggle Bit Polling


Pinout

Connection Diagram Connection Diagram Connection Diagram


Specifications

Temperature under Bias
X28C256......................................10°C to +85°C
X28C256I, X28C256M................65°C to +135°C
Storage Temperature................65°C to +150°C
Voltage on any Pin with
Respect to VSS ......................................1V to +7V
D.C. Output Current .........................................5mA
Lead Temperature
(Soldering, 10 seconds)............................... 300°C


Description

The X28C256 is an 32K x 8 E2 PROM, fabricated with Xicor's proprietary, high performance, floating gate CMOS technology. Like all Xicor programmable non- volatile memories the X28C256 is a 5V only device. The X28C256 features the JEDEC approved pinout for byte- wide memories, compatible with industry standard RAMs.

The X28C256 supports a 64-byte page write operation, effectively providing a 78s/byte write cycle and en- abling the entire memory to be typically written in less than 2.5 seconds. The X28C256 also features DATA and Toggle Bit  Polling, a system software support scheme used to indicate the early completion of a write cycle. In addition, the X28C256 includes a user-optional software data protection mode that further enhances Xicor's hardware write protect capability.


Xicor E2 PROMs are designed and tested for applica- tions requiring extended endurance. Inherent data re- tention is greater than 100 years.




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