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HM62W16256BLTT-7 from HIT

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HM62W16256BLTT-7

Manufacturer: HIT

4 M SRAM (256-kword x 16-bit)

Partnumber Manufacturer Quantity Availability
HM62W16256BLTT-7,HM62W16256BLTT7 HIT 6250 In Stock

Description and Introduction

4 M SRAM (256-kword x 16-bit) The HM62W16256BLTT-7 is a high-speed CMOS static RAM (SRAM) manufactured by Hitachi (now part of Renesas Electronics). Here are its key specifications:

- **Organization**: 262,144 words × 16 bits (4M-bit)
- **Supply Voltage**: 3.3V ± 0.3V
- **Access Time**: 7 ns (max)
- **Operating Current**: 80 mA (typical at 7 ns)
- **Standby Current**: 5 mA (typical in CMOS standby mode)
- **Package**: 44-pin TSOP II (Thin Small Outline Package)
- **Operating Temperature Range**: -40°C to +85°C
- **I/O Interface**: CMOS-compatible
- **Features**: 
  - Single 3.3V power supply
  - Fully static operation (no clock or refresh required)
  - Three-state outputs
  - Byte control (upper and lower byte select)
  - TTL-compatible inputs and outputs

This SRAM is commonly used in applications requiring high-speed data access, such as networking equipment, telecommunications, and embedded systems.

Application Scenarios & Design Considerations

4 M SRAM (256-kword x 16-bit)

Alternative Part Number

  • IS61WV25616BLL-10TLI --: 256K x 16 asynchronous SRAM with comparable speed grade and 44-pin TSOP package, widely used as a drop-in replacement for Hitachi SRAMs.
  • CY7C1041CV33-10ZXI --: 256K x 16 low-power SRAM in 44-pin TSOP II, similar access time and pinout, a common alternative to Hitachi HM62 series.
  • AS6C4008-55TIN --: 512K x 8 low-power CMOS SRAM offering comparable performance and package options; Alliance specializes in legacy SRAM replacements for Hitachi parts.

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