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HM628512CLTT-5SL from HIT

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HM628512CLTT-5SL

Manufacturer: HIT, RENESAS

4 M SRAM (512-kword ′ 8-bit)
Partnumber Manufacturer Quantity Availability
HM628512CLTT-5SL,HM628512CLTT5SL HIT, RENESAS 6013 In Stock

Description and Introduction

4 M SRAM (512-kword ′ 8-bit) The part **HM628512CLTT-5SL** is a **512K (64K x 8-bit) Low Power CMOS Static RAM (SRAM)** manufactured by **Renesas**.  

### Key Specifications:  
- **Organization:** 64K x 8-bit  
- **Voltage Supply:** 3.3V (±10%)  
- **Access Time:** 55ns  
- **Operating Current:** 10mA (typical)  
- **Standby Current:** 10µA (typical)  
- **Package:** 32-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Technology:** Low Power CMOS  
- **Features:**  
  - Single 3.3V power supply  
  - Fully static operation (no refresh required)  
  - TTL-compatible inputs and outputs  
  - Data retention voltage: 2.0V (min)  

This SRAM is designed for applications requiring low-power, high-speed memory, such as embedded systems and portable devices.  

(Source: Renesas datasheet for HM628512CLTT-5SL)

Application Scenarios & Design Considerations

4 M SRAM (512-kword ′ 8-bit)

Alternative Part Number

  • IS61C512-15T --: 512K x 8 asynchronous SRAM with comparable 5V speed grade and pinout, widely available as a direct socket replacement.
  • CY62256NLL-70PXC --: Low-power 32K x 8 SRAM in the same family class; verify density and timing, but it is a common drop-in style alternative for legacy SRAM designs.
  • AS6C4008-55PCN --: 512K x 8 low-power CMOS SRAM with 5V operation and 55ns access, positioned as a legacy SRAM replacement for obsolete parts.
  • AS6C4008-55TIN --: Alliance Memory is a well-known second-source supplier of legacy SRAMs; this 512Kx8 low-power SRAM matches the HM628512CLTT-5SL in density, organization, and 55 ns speed grade, and is available in a TSOP package.
  • IS62WV5128EBLL-45TLI --: ISSI 512Kx8 low-power CMOS SRAM with 45 ns access time (faster than the 55 ns original) in a TSOP-I package, pin-compatible with the HM628512 family and widely used as a drop-in replacement.
  • CY62128EV30LL-45ZXI --: Cypress/Infineon MoBL 1Mbit (128Kx8) low-power SRAM with 45 ns speed; a common alternative source for legacy 512Kx8/1Mbit asynchronous SRAM sockets, though pinout should be verified against the TSOP-II footprint.

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