• Device Type: Low-Power CMOS Static RAM (SRAM)
• Memory Organization: 128K × 8 bits (131,072 × 8)
• Total Memory Capacity: 1 Mbit (1,048,576 bits)
• Access Time: 70 ns (maximum)
• Supply Voltage: Single +5 V (±10%)
• Package: 32-pin PDIP (PC suffix)
• Mounting Style: Through-Hole
• Technology: CMOS Static RAM
• Operating Temperature Range: 0°C to +70°C
• Data Retention Voltage: 2.0 V (minimum)
• Operating Current (Typical):
  • 40 mA @ 70 ns version
  • 50 mA @ 55 ns version
  • 60 mA @ 35 ns version
• Standby Current:
  • 2 µA typical (L version)
  • 1 µA typical (LL version)
• Input/Output Compatibility: TTL Compatible
• Output Configuration: Three-State Outputs
• Operation: Fully Static (No Refresh Required)

Control Signals

• CE1, CE2: Chip Enable Inputs
• WE: Write Enable
• OE: Output Enable

Applications

• Battery-backed memory systems
• Industrial controllers
• Embedded systems
• Data buffering
• Communication equipment
• Instrumentation and measurement systems