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TC55257DPL-55L from TOSHIBA

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TC55257DPL-55L

Manufacturer: TOSHIBA

32,768 WORD-8 BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55257DPL-55L,TC55257DPL55L TOSHIBA 2000 In Stock

Description and Introduction

32,768 WORD-8 BIT STATIC RAM The TC55257DPL-55L is a 262,144-word by 8-bit high-speed CMOS static RAM manufactured by Toshiba.  

### **Key Specifications:**  
- **Organization:** 262,144 words × 8 bits  
- **Access Time:** 55 ns  
- **Operating Voltage:** 5V ±10%  
- **Low Power Consumption:**  
  - Active: 200 mA (max)  
  - Standby: 20 µA (max)  
- **Operating Temperature Range:** -10°C to +85°C  
- **Package:** 28-pin 600-mil Plastic DIP (Dual In-line Package)  

### **Features:**  
- **High-Speed Operation:** 55 ns access time  
- **Fully Static:** No clock or refresh required  
- **Single 5V Power Supply**  
- **TTL-Compatible Inputs/Outputs**  
- **Three-State Outputs**  
- **Battery Backup Capability**  
- **Industrial Temperature Range Support**  

This SRAM is designed for applications requiring fast and reliable memory access, such as embedded systems, industrial controls, and telecommunications equipment.  

(Source: Toshiba datasheet for TC55257DPL-55L)

Application Scenarios & Design Considerations

32,768 WORD-8 BIT STATIC RAM

Alternative Part Number

  • IS62C256AL-45ULI --: 32K x 8 low-power CMOS SRAM with similar 55 ns-class access time and DIP-compatible pinout, widely available and a common drop-in replacement for the TC55257 series.
  • AS6C62256-55PCN --: 32K x 8 asynchronous SRAM in a 28-pin DIP with 55 ns access time, matching the original speed grade and pin configuration for direct substitution.
  • CY62256NLL-55PC --: 32K x 8 low-power SRAM with 55 ns access time and standard 28-pin DIP pinout, electrically and functionally compatible with the TC55257DPL-55L.

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