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CY7C277 - 32K x 8 Reprogrammable Registered PROM

Key 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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Other Datasheets by Cypress (now Infineon)

Part Number Description
CY7C225 512 x 8 Registered PROM
CY7C008 64K/128K x 8/9 Dual-Port Static RAM
CY7C008V 3.3V 64K/128K x 8/9 Dual-Port Static RAM
CY7C009 64K/128K x 8/9 Dual-Port Static RAM
CY7C009V 128K x 8 Dual-Port Static RAM

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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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