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KM68257C - 32Kx8 Bit High Speed Static RAM

Datasheet Summary

Description

The KM68257C is a 262,144-bit high-speed Static Random Access Memory organized as 32,768 words by 8 bits.

The KM68257C uses 8 common input and output lines and has an output enable pin which operates faster than address access time at read cycle.

Features

  • Fast Access Time 12, 15, 20.
  • À(Max. ) Low Power Dissipation Standby (TTL) : 40.
  • Ì(Max. ) (CMOS) : 2.
  • Ì(Max. ) 0.1.
  • Ì(Max. )- L-ver. only Operating KM68257C/CL - 12 : 165.
  • Ì(Max. ) KM68257C/CL - 15 : 150.
  • Ì(Max. ) KM68257C/CL - 20 : 140.
  • Ì(Max. ) www. DataSheet4U. com Single 5.0V±10% Power Supply TTL Compatible Inputs and Outputs I/O Compatible with 3.3V Device Fully Static Operation - No Clock or Refresh required Three State Outputs Low Data Retention Voltage : 2V(Min. )- L-ver. only.

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Datasheet Details

Part number KM68257C
Manufacturer Samsung semiconductor
File Size 162.36 KB
Description 32Kx8 Bit High Speed Static RAM
Datasheet download datasheet KM68257C Datasheet
Additional preview pages of the KM68257C datasheet.

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Full PDF Text Transcription

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KM68257C/CL Document Title PRELIMINARY CMOS SRAM 32Kx8 Bit High Speed Static RAM(5V Operating), Evolutionary Pin out. Operated at Commercial Temperature Range. Revision History Rev No. Rev. 0.0 Rev. 1.0 www.DataSheet4U.com History Initial release with Preliminary. Release to final Data Sheet. 1. Delete Preliminary Update A.C parameters 2.1. Updated A.C parameters Previous spec. Updated spec. Items (12/15/20ns part) (12/15/20ns part) tOE - / 8/10ns - / 7 /9 ns tCW - /12/ - ns - /11/ - ns tHZ 8/10/10ns 6/7/8ns tOHZ - / 8 / - ns - / 7 / - ns tDW - / 9 / - ns - / 8 / - ns 2.2. Add Voh1=3.95V with the test condition as Vcc=5V±5% at 25°C 3.1. Add 28-TSOP1 Package. 3.2. Add L-version. 3.3. Add Data Rentention Characteristics. Draft Data Apr.
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