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HM62256BLFP-7T from HIT

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HM62256BLFP-7T

Manufacturer: HIT, HITACHI, HITACHI

256k SRAM (32-kword x 8-bit)
Partnumber Manufacturer Quantity Availability
HM62256BLFP-7T,HM62256BLFP7T HIT, HITACHI, HITACHI 15385 In Stock

Description and Introduction

256k SRAM (32-kword x 8-bit) The HM62256BLFP-7T is a 256K-bit (32K x 8-bit) high-speed CMOS static RAM (SRAM) manufactured by HITACHI. Key specifications include:  

- **Organization**: 32K words × 8 bits  
- **Access Time**: 70ns  
- **Operating Voltage**: 4.5V to 5.5V  
- **Low Power Consumption**:  
  - Active current: 40mA (max)  
  - Standby current: 10μA (max)  
- **Package**: 28-pin plastic SOP (Small Outline Package)  
- **Operating Temperature Range**: 0°C to +70°C  
- **Tri-State Outputs**: Allows direct connection to a common bus  
- **Fully Static Operation**: No clock or refresh required  
- **TTL-Compatible Inputs/Outputs**  

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

Application Scenarios & Design Considerations

256k SRAM (32-kword x 8-bit)

Alternative Part Number

  • IS62C256AL-45TLI --: 32K x 8 low-power CMOS SRAM in TSOP package, functionally equivalent to the HM62256 series with similar pinout and access timing.
  • AS6C62256-55SIN --: Direct 32K x 8 asynchronous SRAM replacement family widely used as a drop-in substitute for HM62256 devices, with comparable speed grade.
  • CY62256NLL-70PXC --: 32K x 8 low-power SRAM with 70 ns access time matching the original speed grade, suitable for legacy HM62256 sockets.
  • CY62256LL-70SNXC --: 32K x 8 low-power CMOS SRAM with 70 ns access time, pin-compatible with the HM62256 series and widely available.
  • IS62C256AL-45ULI --: Low-power 32K x 8 CMOS SRAM with 45 ns access time, functionally and pin compatible with the HM62256BLFP-7T.
  • CY62256LL-70ZXC --: 32K x 8 low-power SRAM with 70 ns access time, functionally equivalent to the HM62256BLFP-7T and widely available in a TSOP package.
  • IS62C256AL-70TLI --: 32K x 8 CMOS SRAM with 70 ns speed, pin-compatible replacement for the HM62256 series and suitable for direct drop-in use.
  • AS6C62256-70TIN --: Low-power 32K x 8 SRAM with 70 ns access time, designed as a direct replacement for legacy 62256-type parts including Hitachi devices.
  • AS6C62256-55PCN --: Direct 32K x 8 asynchronous SRAM replacement in a 28-pin DIP, 55 ns speed covers the 70 ns requirement.

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