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HM628128ALR-10 from HIT

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HM628128ALR-10

Manufacturer: HIT

131,072-word X 8-bit High Speed CMOS Static RAM
Partnumber Manufacturer Quantity Availability
HM628128ALR-10,HM628128ALR10 HIT 4600 In Stock

Description and Introduction

131,072-word X 8-bit High Speed CMOS Static RAM The HM628128ALR-10 is a 1M-bit (128K x 8-bit) high-speed CMOS static RAM (SRAM) manufactured by Hitachi. Here are its key specifications:  

- **Organization**: 128K words × 8 bits  
- **Access Time**: 10 ns  
- **Operating Voltage**: 5V ± 10%  
- **Power Consumption**:  
  - Active: 250 mW (max)  
  - Standby: 25 mW (max)  
- **Package**: 32-pin SOP (Small Outline Package)  
- **Operating Temperature Range**: 0°C to +70°C  
- **I/O Interface**: TTL-compatible  
- **Features**:  
  - Fully static operation (no clock or refresh required)  
  - Single 5V power supply  
  - Three-state output  
  - Common data input/output  

This SRAM is designed for high-speed applications requiring fast access times.

Application Scenarios & Design Considerations

131,072-word X 8-bit High Speed CMOS Static RAM

Alternative Part Number

  • IS61C1024AL-10TLI --: 128K x 8 asynchronous SRAM with 10 ns access time, pin-compatible and functionally equivalent to the HM628128ALR-10.
  • CY7C128A-10PC --: 128K x 8 low-power CMOS SRAM with 10 ns speed grade, direct functional replacement for the original Hitachi part.
  • AS6C1008-55PCN --: 128K x 8 low-power SRAM in the same package family; slower 55 ns access time but suitable where timing margin allows, and widely available as a legacy replacement.

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