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HM628512ALP-5 from HIT

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HM628512ALP-5

Manufacturer: HIT

4M SRAM (512 KWORD X 8 BIT)

Partnumber Manufacturer Quantity Availability
HM628512ALP-5,HM628512ALP5 HIT 3000 In Stock

Description and Introduction

4M SRAM (512 KWORD X 8 BIT) The HM628512ALP-5 is a 512K-bit (64K x 8) high-speed CMOS static RAM (SRAM) manufactured by Hitachi (now part of Renesas Electronics). Here are its key specifications:  

- **Organization**: 64K words × 8 bits  
- **Technology**: High-speed CMOS  
- **Supply Voltage**: 5V ±10%  
- **Access Time**: 12 ns (max)  
- **Operating Current**: 70 mA (max)  
- **Standby Current**: 5 mA (max) in CMOS mode, 30 mA (max) in TTL mode  
- **Operating Temperature Range**: 0°C to +70°C  
- **Package**: 28-pin Plastic SOP (Small Outline Package)  
- **Pin Configuration**: Compatible with other 64K × 8 SRAMs  
- **Features**:  
  - Single 5V power supply  
  - Fully static operation (no clock or refresh required)  
  - Three-state output  
  - TTL-compatible inputs and outputs  

This SRAM is commonly used in high-speed computing, networking, and embedded systems applications.

Application Scenarios & Design Considerations

4M 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 HM628512ALP-5 and widely used as a drop-in replacement.
  • CY62256NLL-55PC --: 256K x 8 SRAM in a 28-pin DIP with similar 55 ns access time; suitable when half the density is acceptable and timing is compatible.
  • IS62WV5128BLL-55TLI --: 512K x 8 low-power SRAM with 55 ns access time, functionally equivalent to the HM628512ALP-5 in a TSOP package for board redesigns.

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