1 PC. NEC D444C = uPD444C2 =2114

The uPD444 is a high speed, low power silicon gate CMOS 4096 bit static RAM organized 1024 words by 4 its. It uses DC stable (static) circuitry througout and therefore requires no clock or refreshing to operate.
The uPD444 is pin-compatible with the uPD2114 NMOS Static RAM.

  • Low Power Standby - 1 µA typ.
  • Low Power Operation
  • Data Retention - 2.0V min.
  • Capability of Battery Backup Operation
  • Fast access time 200ns
  • Identical Cycle and Access Times
  • Single +5 Volt Supply
  • No clock or timing strobe required
  • Completely Static memory
  • Automatic Power-Down
  • Directly TTL compatible: all inputs and outputs
  • Common data input and output using three-state outputs
  • Package DIL 18
  • Brand NEC

New Old Stock, Not Tested

TS2.5