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MCM32257B - 256K x 32 Bit Fast Static RAM Module

Key Features

  • YCLE 1 (W Controlled, See Notes 1 and 2) MCM32257B.
  • 15 Parameter Write Cycle Time Address Setup Time Address Valid to End of Write Write Pulse Width Data Valid to End of Write Data Hold Time Write Low to Data High.
  • Z Write High to Output Active Write Recovery Time Symbol tAVAV tAVWL tAVWH tWLWH, tWLEH tDVWH tWHDX tWLQZ tWHQX tWHAX Min 15 0 12 12 7 0 0 5 0 Max.
  • 6.
  • MCM32257B.
  • 20 Min 20 0 15 15 8 0 0.

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Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
MCM32257 256K x 32 Bit Fast Static RAM
MCM32256 256K x 32 Bit Dynamic Random Access Memory Module
MCM32200 2M x 32 Bit Dynamic Random Access Memory Module
MCM32100 1M x 32 Bit Dynamic Random Access Memory Module
MCM321024 1M x 32 Bit Fast Static RAM Module

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MCM32257B/D 256K x 32 Bit Fast Static RAM Module The MCM32257B is an 8M bit static random access memory module organized as 262,144 words of 32 bits. The module is a 64–lead zig–zag in–line package (ZIP) of eight MCM6229 fast static RAMs packaged in 28–lead SOJ packages and mounted on a printed circuit board along with eight decoupling capacitors. The MCM6229 is a high–performance CMOS fast static RAM organized as 262,144 words of 4 bits, fabricated using high–performance silicon–gate CMOS technology. Static design eliminates the need for external clocks or timing strobes, while CMOS circuitry reduces power consumption and provides for greater reliability.