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TC55257DFL85L from TOSHIBA

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TC55257DFL85L

Manufacturer: TOSHIBA

32,768 WORD-8 BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55257DFL85L TOSHIBA 3000 In Stock

Description and Introduction

32,768 WORD-8 BIT STATIC RAM The TC55257DFL85L is a 262,144-bit high-speed static random access memory (SRAM) organized as 32K words by 8 bits, manufactured by Toshiba.  

### **Key Specifications:**  
- **Organization:** 32K × 8 bits  
- **Operating Voltage:** 4.5V to 5.5V  
- **Access Time:** 85 ns  
- **Low Power Consumption:**  
  - Active Current: 40 mA (max)  
  - Standby Current: 10 μA (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 28-pin SOP (Small Outline Package)  

### **Features:**  
- **Fully Static Operation:** No clock or refresh required  
- **TTL-Compatible Inputs/Outputs**  
- **Single 5V Power Supply**  
- **Three-State Outputs**  
- **Battery Backup Capability** (data retention at reduced voltage)  
- **High Noise Immunity**  

This SRAM is commonly used in applications requiring fast, low-power memory, such as embedded systems, industrial controls, and communication devices.

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 5V interface and access time, pin-compatible in most designs and widely available.
  • CY62256NLL-70PXC --: 32K x 8 low-power SRAM with comparable organization and speed grade, commonly used as a drop-in replacement for Toshiba 32Kx8 SRAMs.
  • AS6C62256-55PCN --: 32K x 8 low-power CMOS SRAM designed as a direct replacement for legacy 62256-type parts, with similar timing and 5V operation.

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