P4C164

P4C164

P4C164

Pyramid Semiconductor

64K (8Kx8) CMOS SRAM

The P4C164 is a 65,536-bit ultra high-speed static RAM organised as 8K x 8. The CMOS memories require no clocks or refreshing and have equal access and cycle times. Inputs are fully TTL-compatible. The RAM operate from a single 5V ± 10% tolerance power supply. With battery backup (P4C164L only), data integrity is maintained with supply voltages down to 2.0V. Current drain is typically 10 µA from a 2.0V supply.

Access times as fast as 8 nanoseconds are available, permitting greatly enhanced system operating speeds.

The P4C164 is available in 28-pin 300 mil DIP and SOJ, 28-pin 600 mil plastic and ceramic DIP, 28 pin 350 x 550 mil LCC, 32 pin 450 x 550 mil LCC and 28 pin glass sealed CERPACK and solder sealed flatpack.

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More Information
Attribute Value
Key Features
  • Full CMOS, 6T Cell
  • High speed (equal access and cycle times)
    • 8/10/12/15/20/25/35/70/100 ns (commercial)
    • 10/12/15/20/25/35/70/100 ns (industrial)
    • 12/15/20/25/35/45/70/100 ns (military)

  • Low power operation
  • Output enable and dual chip enable control functions
  • Single 5V ±10% power supply
  • Data retention with 2.0V supply, 10 µA typical current (P4C164L only)
  • Common data I/O
  • Fully TTL compatible inputs and outputs
  • Standard pinout (JEDEC approved)
    • 28 pin 300 mil plastic DIP, SOJ
    • 28 pin 600 mil plastic DIP
    • 28 pin 300 mil SOP (70 and 100 ns)
    • 28 pin 300 mil ceramic DIP
    • 28 pin 600 mil ceramic DIP
    • 28 pin 350 x 550 mil LCC
    • 32 pin 450 x 550 mil LCC
    • 28 pin glass sealed CERPACK
    • 29 pin solder sealed CERPACK
Standard Military Drawing Number(s)
  • SMD 5962-38294
  • SMD 5962-85525
  • SMD 5962-89691
TAA (ns) 12/15/20/35/45/70/100
DIP 28
LCC 28
FP 28
Qualified To MIL-STD-883
Size 64K
More Information
Attribute Value
Data Sheet Click here to view

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