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TC551001CFT-70 from TOS,TOSHIBA

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TC551001CFT-70

Manufacturer: TOS, TOSHIBA

TC551001CP55
Partnumber Manufacturer Quantity Availability
TC551001CFT-70,TC551001CFT70 TOS, TOSHIBA 6638 In Stock

Description and Introduction

TC551001CP55 The TC551001CFT-70 is a 1Mbit (128K x 8-bit) CMOS static RAM (SRAM) manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 128K words × 8 bits  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 70ns  
- **Operating Current:** 40mA (max)  
- **Standby Current:** 10μA (max)  
- **Package:** 32-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**
- The TC551001CFT-70 is a high-speed, low-power CMOS SRAM designed for applications requiring fast and reliable data storage.  
- It is compatible with TTL levels and features a fully static operation, eliminating the need for external refresh cycles.  

### **Features:**
- **High-Speed Access:** 70ns access time for fast read/write operations.  
- **Low Power Consumption:**  
  - Active current: 40mA (max)  
  - Standby current: 10μA (max)  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits.  
- **Fully Static Operation:** No clock or refresh required.  
- **Single 5V Power Supply:** Simplifies system design.  
- **Three-State Outputs:** Allows bus sharing in multi-device systems.  
- **Reliable Data Retention:** Maintains data integrity in standby mode.  

This SRAM is commonly used in embedded systems, industrial controls, telecommunications, and other applications requiring fast and stable memory access.

Application Scenarios & Design Considerations

TC551001CP55

Alternative Part Number

  • IS61C1024AL-70TLI --: 128K x 8 asynchronous SRAM with 70 ns access time, functionally equivalent to the TC551001 series and widely available.
  • CY7C1021DV33-10ZSXI --: 64K x 16 SRAM with similar 70-100 ns class speed; can replace in many designs with minor address mapping changes.
  • AS6C1008-55PCN --: 128K x 8 low-power SRAM, 55 ns access time, pin-compatible alternative for 5V/3.3V legacy SRAM sockets.
  • CY7C1019DV33-10ZSXI --: 128K x 8 low-power SRAM in the same density class; 10 ns speed grade exceeds the 70 ns requirement, making it a safe drop-in for most designs.
  • AS6C1008-55TIN --: 128K x 8 low-power CMOS SRAM with 55 ns access time, pin-compatible with standard 128K x 8 SRAMs and a common replacement for Toshiba TC551001 devices.
  • CY7C109B-70ZXC --: 128K x 8 high-speed CMOS SRAM with 70 ns speed grade, pin-compatible replacement for the TC551001CFT.

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