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HM628128BLFP-7 from HIT

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HM628128BLFP-7

Manufacturer: HIT, HITACHI, HITACHI

1 M SRAM (128-KWORD X 8 BIT)
Partnumber Manufacturer Quantity Availability
HM628128BLFP-7,HM628128BLFP7 HIT, HITACHI, HITACHI 5422 In Stock

Description and Introduction

1 M SRAM (128-KWORD X 8 BIT) The part **HM628128BLFP-7** is a **128M-bit (16M-word × 8-bit) CMOS pseudo SRAM** manufactured by **HIT (Hitachi)**.  

### **Key Specifications:**  
- **Type:** Pseudo SRAM (PSRAM)  
- **Density:** 128M-bit (16M × 8)  
- **Voltage Supply:** **2.7V–3.6V**  
- **Access Time:** **70ns**  
- **Package:** **54-pin TSOP (Type II)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Refresh Mechanism:** Internal self-refresh (no external refresh required)  
- **Interface:** Asynchronous  
- **Organization:** 16,777,216 words × 8 bits  

This PSRAM is designed for applications requiring high-density, low-power memory with SRAM-like ease of use.  

Would you like additional details on pin configuration or electrical characteristics?

Application Scenarios & Design Considerations

1 M SRAM (128-KWORD X 8 BIT)

Alternative Part Number

  • IS62C1024AL-70T --: 128K x 8 low-power CMOS SRAM with 70 ns access time, pin-compatible with the HM628128BLFP-7 and widely available as a direct drop-in replacement.
  • CY62256NLL-70ZXI --: 32K x 8 SRAM in the same 70 ns speed grade and TSOP package family; a common substitute when the 128K density is not strictly required, with similar timing and interface.
  • AS6C1008-55TIN --: 128K x 8 low-power SRAM with 55 ns access time, functionally equivalent to the HM628128BLFP-7 and often used as a modern replacement for legacy Hitachi SRAM parts.
  • IS61C1024AL-7TL --: 128K x 8 low-power CMOS SRAM with 70 ns access time in a 32-pin TSOP package, functionally equivalent to the HM628128BLFP-7.
  • CY62128EV30LL-70ZXI --: 128K x 8 asynchronous SRAM with 70 ns speed and low power consumption, a common drop-in replacement for the HM628128 series.
  • IS62C1024AL-70TLI --: 128K x 8 low-power CMOS SRAM in a 32-pin TSOP package with 70 ns access time, functionally equivalent to the HM628128BLFP-7 and widely available.
  • CY62128EV30LL-45ZXI --: 128K x 8 low-power SRAM in a 32-pin TSOP with 45 ns access time, pin-compatible with the HM628128BLFP-7 and suitable for direct substitution.
  • CY7C1019DV33-10ZSXI --: 128K x 8 asynchronous SRAM with comparable speed grade and pinout, widely available and suitable as a drop-in replacement.

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