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TC55257DFTL-55V from TOSHIBA

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TC55257DFTL-55V

Manufacturer: TOSHIBA

32,768-WORD BY 8-BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55257DFTL-55V,TC55257DFTL55V TOSHIBA 1235 In Stock

Description and Introduction

32,768-WORD BY 8-BIT STATIC RAM The TC55257DFTL-55V is a static random-access memory (SRAM) chip manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** 32K x 8-bit CMOS Static RAM (SRAM)  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 55ns  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** TSOP (Thin Small Outline Package)  
- **Pin Count:** 28 pins  
- **Standby Current (Typical):** 10µA (CMOS standby)  
- **Operating Current (Typical):** 30mA (at 55ns access time)  
- **Data Retention Voltage:** 2V (min)  
- **Tri-State Outputs:** Yes  

### **Descriptions and Features:**  
- **High-Speed Operation:** 55ns access time suitable for high-performance applications.  
- **Low Power Consumption:** CMOS technology ensures low standby and operating currents.  
- **Wide Voltage Range:** Operates at 5V with a tolerance of ±10%.  
- **Fully Static Operation:** No clock or refresh required.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with TTL logic levels.  
- **Battery Backup Capable:** Supports data retention at reduced voltages (min 2V).  
- **Industrial Standard Pinout:** Matches JEDEC standard for easy integration.  

This information is based solely on Toshiba's documented specifications for the TC55257DFTL-55V SRAM chip.

Application Scenarios & Design Considerations

32,768-WORD BY 8-BIT STATIC RAM

Alternative Part Number

  • IS62C256AL-45ULI --: 32K x 8 low-power CMOS SRAM with 55 ns-class speed, pin-compatible with the TC55257 SRAM family and widely available.
  • AS6C62256-55SIN --: 32K x 8 low-power SRAM in a 28-pin SOP package, direct functional replacement for the TC55257DFTL with similar access time.
  • CY62256NLL-55SNXI --: 32K x 8 low-power SRAM, 55 ns access time, same organization and package style, suitable drop-in alternative.

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