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HM628512ALTT-5SL from HIT

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HM628512ALTT-5SL

Manufacturer: HIT, HITACHI

4M SRAM (512 KWORD X 8 BIT)
Partnumber Manufacturer Quantity Availability
HM628512ALTT-5SL,HM628512ALTT5SL HIT, HITACHI 6384 In Stock

Description and Introduction

4M SRAM (512 KWORD X 8 BIT) The part **HM628512ALTT-5SL** is a **512K (64K x 8-bit)** CMOS **Static RAM (SRAM)** manufactured by **Hitachi (now Renesas Electronics)**.  

### Key Specifications:  
- **Organization:** 64K words × 8 bits  
- **Supply Voltage:** **5V ±10%**  
- **Access Time:** **55ns** (max)  
- **Operating Current:** **60mA** (typical)  
- **Standby Current:** **10µA** (typical, CMOS level)  
- **Package:** **32-pin TSOP (Thin Small Outline Package)**  
- **Operating Temperature Range:** **0°C to +70°C**  
- **Technology:** **CMOS**  
- **Tri-State Outputs:** Yes  
- **Data Retention Voltage:** **2V** (min)  

This SRAM is designed for high-speed applications and features low power consumption in standby mode.  

(Source: Hitachi datasheet for HM628512ALTT-5SL)

Application Scenarios & Design Considerations

4M SRAM (512 KWORD X 8 BIT)

Alternative Part Number

  • AS6C4008-55TIN --: 512K x 8 low-power SRAM in a TSOP package with 55 ns access time, a direct functional equivalent to the HM628512ALTT-5SL and widely used as a drop-in replacement.
  • IS62WV5128-55TLI --: 512K x 8 asynchronous SRAM with 55 ns speed in TSOP, matching the density, organization and timing of the original Hitachi part.
  • CY7C1041G-10ZSXI --: 512K x 8 SRAM in TSOP with comparable organization and interface; slightly slower at 10 ns class but electrically compatible for most designs.
  • AS6C4008-55PCN --: 512K x 8 low-power CMOS SRAM in a 32-pin DIP/TSOP-style package with 55 ns access time, a direct functional replacement for the HM628512ALTT-5SL and widely available as an active part.
  • CY62128EV30LL-55ZXI --: 1Mbit (128K x 8) low-power SRAM with 55 ns speed and 3V operation; pin-compatible family option that matches the original density and timing class.
  • IS62WV5128EBLL-55TLI --: 512K x 8 low-power SRAM with 55 ns access time in an industrial TSOP package, offering equivalent density, speed, and interface to the Hitachi part.

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