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TC55V400AFT-70 from TOSHIBA

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TC55V400AFT-70

Manufacturer: TOSHIBA, TOSH, TOS

262,144-WORD BY 16-BIT FULL CMOS STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55V400AFT-70,TC55V400AFT70 TOSHIBA, TOSH, TOS 4748 In Stock

Description and Introduction

262,144-WORD BY 16-BIT FULL CMOS STATIC RAM The TC55V400AFT-70 is a memory component manufactured by Toshiba. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**  
- **Part Number:** TC55V400AFT-70  
- **Manufacturer:** Toshiba  
- **Type:** Synchronous DRAM (SDRAM)  
- **Density:** 4Mbit (512K words × 8 bits)  
- **Organization:** 512K × 8  
- **Voltage Supply:** 3.3V (±0.3V)  
- **Speed:** 70ns (access time)  
- **Package:** TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant  

### **Descriptions:**  
- The TC55V400AFT-70 is a low-power CMOS synchronous DRAM designed for high-performance memory applications.  
- It operates with a single 3.3V power supply and supports fully synchronous operation with a clock input.  
- The device is commonly used in embedded systems, networking equipment, and consumer electronics.  

### **Features:**  
- **Synchronous Operation:** Controlled by a system clock for high-speed data transfer.  
- **Auto Refresh & Self Refresh:** Supports power-saving modes.  
- **Burst Mode:** Supports sequential and interleaved burst operations.  
- **CAS Latency:** Programmable for flexible timing control.  
- **Low Power Consumption:** Optimized for energy-efficient applications.  
- **Compatible with JEDEC Standards:** Ensures industry-standard compliance.  

This information is based on Toshiba's official documentation for the TC55V400AFT-70. For detailed technical parameters, refer to the datasheet.

Application Scenarios & Design Considerations

262,144-WORD BY 16-BIT FULL CMOS STATIC RAM

Alternative Part Number

  • IS61LV256-70T --: 256K x 16 asynchronous SRAM with 70 ns access time, functionally similar to the TC55V400A and widely available as a drop-in replacement in many designs.
  • CY7C1041CV33-70ZXC --: 256K x 16 low-power SRAM with 70 ns speed grade, comparable organization and timing, suitable for replacing the Toshiba part in most applications.
  • AS7C256A-70TCN --: 256K x 16 SRAM with 70 ns access time, offered as a legacy SRAM replacement and pin-compatible with many Toshiba TC55V series devices.
  • CY7C1041-70ZC --: 256K x 16 high-speed CMOS SRAM with 70 ns speed grade, comparable pinout and timing, suitable for direct substitution.
  • AS7C256-70TC --: 256K x 16 low-power SRAM with 70 ns access time, offered as a legacy SRAM replacement for Toshiba parts with similar specifications.
  • AS7C34096A-70TC --: 4Mbit asynchronous SRAM in 70 ns speed grade, offered as a legacy SRAM replacement for discontinued Toshiba parts with similar pinout and timing.

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