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HM628512BLRR-7UL from HIT

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HM628512BLRR-7UL

Manufacturer: HIT

4 M SRAM (512-kword x 8-bit)
Partnumber Manufacturer Quantity Availability
HM628512BLRR-7UL,HM628512BLRR7UL HIT 6000 In Stock

Description and Introduction

4 M SRAM (512-kword x 8-bit) The HM628512BLRR-7UL is a high-speed CMOS static RAM (SRAM) manufactured by Hitachi (now Renesas Electronics). Here are the key specifications:

- **Type**: 512K (524,288 words × 8 bits) SRAM  
- **Technology**: High-speed CMOS  
- **Supply Voltage**: 3.3V ± 0.3V  
- **Access Time**: 7 ns (max)  
- **Operating Current**: 80 mA (max) at 7 ns  
- **Standby Current**: 10 µA (max) in CMOS standby mode  
- **Package**: 32-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range**: 0°C to +70°C  
- **I/O Interface**: 3.3V compatible  
- **Features**:  
  - Single 3.3V power supply  
  - Fully static operation (no clock or refresh required)  
  - TTL-compatible inputs and outputs  
  - Three-state outputs  
  - Byte control for write operations  

This SRAM is designed for high-performance 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 with 55 ns access, functionally equivalent to the 512K x 8 SRAM and widely used as a drop-in replacement for Hitachi HM628512 series.
  • CY62256NLL-70PXC --: 32K x 8 low-power SRAM in a similar DIP package; suitable when a smaller density is acceptable and offers comparable low-power CMOS operation.
  • IS62WV5128BLL-55TLI --: 512K x 8 low-power asynchronous SRAM with 55 ns access time, matching density and low-power characteristics of the original part.

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