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CY7C277 - 32K x 8 Reprogrammable Registered PROM

Features

  • Windowed for reprogrammability.
  • CMOS for optimum speed/power.
  • High speed.
  • 30-ns address set-up.
  • 15-ns clock to output.
  • Low power.
  • 60 mW (commercial).
  • 715 mW (military).
  • Programmable address latch enable input.
  • Programmable synchronous or asynchronous output enable.
  • On-chip edge-triggered output registers.
  • EPROM technology, 100% programmable.
  • Slim 300-mil, 28-pin plastic or herme.

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Full PDF Text Transcription

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77 CY7C277 32K x 8 Reprogrammable Registered PROM Features • Windowed for reprogrammability • CMOS for optimum speed/power • High speed — 30-ns address set-up — 15-ns clock to output • Low power — 60 mW (commercial) — 715 mW (military) • Programmable address latch enable input • Programmable synchronous or asynchronous output enable • On-chip edge-triggered output registers • EPROM technology, 100% programmable • Slim 300-mil, 28-pin plastic or hermetic DIP • 5V ±10% VCC, commercial and military • TTL-compatible I/O • Direct replacement for bipolar PROMs • Capable of withstanding greater than 2001V static discharge Logic Block Diagram A14 A13 X A12 A11 ADDRESS ROW DECODER 256 x 1024 PROGRAMMABLE 8-BIT 1 OF 128 A10 1 OF 256 ARRAY MUX A9 A8 15-BIT A7 ADDRESS A6 TRANSPARENT
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