• Part: UPD431000A
  • Description: 1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT
  • Manufacturer: NEC
  • Size: 227.58 KB
UPD431000A Datasheet (PDF) Download
NEC
UPD431000A

Overview

The µPD431000A is a high speed, low power, and 1,048,576 bits (131,072 words by 8 bits) CMOS static RAM. The µPD431000A has two chip enable pins (/CE1, CE2) to extend the capacity.

  • 131,072 words by 8 bits organization
  • Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
  • Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)
  • Operating ambient temperature: TA = 0 to 70 °C
  • Low VCC data retention: 2.0 V (MIN.)
  • Output Enable input for easy application
  • Two Chip Enable inputs: /CE1, CE2 Part number Access time ns (MAX.) Operating supply Operating ambient voltage V temperature °C 0 to 70 At operating mA (MAX.) 70 Supply current At standby At data retention µA (MAX.) 100 20 µA (MAX.) Note1 15 3 µPD431000A-xxL µPD431000A-xxLL µPD431000A-Axx µPD431000A-Bxx 70 70 Note2 70, 85
  • 5 to 5.5 Note2 , 100
  • 0 to 5.5 2.7 to 5.5 35 30 Note3 Note4 13 11 Note5 Note6 , 100, 120, 150 Notes
  • TA ≤ 40 °C