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UPD42264C-10 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD42264C-10NEC390Yes

UPD42264C-10** is a high-speed **256K x 16-bit (4Mbit) dynamic RAM (DRAM)** manufactured by **NEC**.

The UPD42264C-10 is a high-speed 256K x 16-bit (4Mbit) dynamic RAM (DRAM) manufactured by NEC.

Key Specifications:

  • Organization: 256K × 16-bit
  • Capacity: 4 Megabits (524,288 bytes)
  • Access Time: 100 ns (max)
  • Cycle Time: 100 ns (min)
  • Voltage Supply: +5V ±10%
  • Package: 40-pin DIP (Dual In-line Package)
  • Refresh: 4,096 cycles every 64 ms (CAS-before-RAS refresh supported)
  • Operating Temperature Range: 0°C to +70°C

Features:

  • High-speed operation with a 10ns RAS access time
  • Low power consumption
  • Single +5V power supply
  • Fully static column operation
  • Multiplexed address inputs (row/column addressing)
  • TTL-compatible inputs and outputs
  • Standard 40-pin DIP package

This DRAM was commonly used in early computing systems, workstations, and embedded applications requiring moderate-speed memory with a 16-bit data bus.

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