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HM628512BLFP-7 from HIT

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HM628512BLFP-7

Manufacturer: HIT, HITACHI, HITACHI

4 M SRAM (512-kword x 8-bit)
Partnumber Manufacturer Quantity Availability
HM628512BLFP-7,HM628512BLFP7 HIT, HITACHI, HITACHI 8162 In Stock

Description and Introduction

4 M SRAM (512-kword x 8-bit) The part **HM628512BLFP-7** is a **512Kbit (64K x 8-bit) CMOS Static RAM (SRAM)** manufactured by **Hitachi**.  

### **Key Specifications:**  
- **Organization:** 64K words × 8 bits  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 70ns  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 28-pin Plastic SOP (Small Outline Package)  
- **Low Power Consumption:**  
  - Active: 60mA (max)  
  - Standby: 10μA (max)  
- **Tri-State Outputs**  
- **Fully Static Operation** (no clock or refresh required)  
- **TTL-Compatible Inputs/Outputs**  

This SRAM is designed for high-speed, low-power applications in embedded systems and other digital circuits.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AS7C34098A-10TCN --: Alliance Memory specializes in drop-in replacements for legacy SRAMs; this 512Kx8 asynchronous SRAM matches the HM628512BLFP-7 organization and 5V interface, with a 100ns speed grade that is compatible or faster.
  • CY7C1041CV33-10ZXC --: Widely available 512Kx8 asynchronous SRAM with similar pinout and timing; a common second-source option for legacy Hitachi SRAM designs, though supply voltage should be verified.
  • IS61WV5128BLL-10TLI --: ISSI 512Kx8 high-speed asynchronous SRAM offering comparable density and access time; a practical alternative when the original Hitachi part is obsolete, subject to confirming 5V vs 3.3V compatibility.
  • AS6C4008-55PCN --: Pin-compatible 512Kx8 low-power SRAM with similar 55ns access time, widely used as a drop-in replacement for the HM628512 series.
  • CY62256NLL-70PXC --: Well-known 32Kx8 SRAM family; check density match, but Cypress SRAMs are commonly cross-referenced for Hitachi HM628512 sockets in legacy designs.
  • IS62WV5128BLL-55TLI --: 512Kx8 low-power CMOS SRAM with 55ns speed grade, functionally equivalent and often used as a second-source substitute for HM628512BLFP-7.
  • IS61C512-15T --: 512K x 8 asynchronous SRAM with similar access time and pinout, widely available as a direct functional replacement.
  • CY7C1041-15ZC --: 512K x 8 high-speed CMOS SRAM with comparable timing and interface, suitable drop-in alternative.
  • AS7C512-15TC --: 512K x 8 SRAM offered as a legacy-compatible replacement for Hitachi HM628512 series devices.

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