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HM628512BLP-7 from HITACHI

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HM628512BLP-7

Manufacturer: HITACHI, HIT

4 M SRAM (512-kword x 8-bit)
Partnumber Manufacturer Quantity Availability
HM628512BLP-7,HM628512BLP7 HITACHI, HIT 658 In Stock

Description and Introduction

4 M SRAM (512-kword x 8-bit) The HM628512BLP-7 is a 512K-bit (64K x 8) high-speed CMOS static RAM (SRAM) manufactured by Hitachi. Here are its key specifications:  

- **Organization**: 64K words × 8 bits  
- **Technology**: High-speed CMOS  
- **Access Time**: 70 ns  
- **Operating Voltage**: 5V ±10%  
- **Operating Temperature Range**: 0°C to +70°C  
- **Package**: 28-pin plastic SOP (Small Outline Package)  
- **Standby Current**: Low power consumption in standby mode  
- **I/O Interface**: TTL-compatible  
- **Refresh**: Not required (static RAM)  

This SRAM is designed for applications requiring fast access times and low power consumption.

Application Scenarios & Design Considerations

4 M SRAM (512-kword x 8-bit)

Alternative Part Number

  • AS6C4008-55PCN --: 512K x 8 low-power CMOS SRAM in a 32-pin DIP, pin-compatible with the HM628512 and widely used as a drop-in replacement.
  • CY62256NLL-70PXC --: 32K x 8 SRAM in a 28-pin DIP with similar access time and interface; a common alternative when a smaller density is acceptable.
  • IS62WV5128BLL-55TLI --: 512K x 8 low-power SRAM with comparable speed and pinout, suitable as a functional substitute for the Hitachi part.
  • AS7C34098A-10TCN --: Alliance Memory specializes in drop-in replacements for legacy SRAMs; this 512Kx8 low-power SRAM matches the HM628512BLP-7 organization and 70ns-class speed in a TSOP package.
  • IS61LV5128AL-10TLI --: ISSI 512Kx8 low-power asynchronous SRAM with comparable access time and pinout, widely used as a second-source substitute for Hitachi 628512 devices.
  • CY7C1049DV33-10ZSXI --: Cypress 512Kx8 asynchronous SRAM offering similar density, speed grade, and TSOP footprint, suitable as an alternative when Alliance or ISSI parts are unavailable.

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