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TC551001CPI-70L from TOSHIBA

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TC551001CPI-70L

Manufacturer: TOSHIBA, TOSH

131,072 WORD x 8 BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC551001CPI-70L,TC551001CPI70L TOSHIBA, TOSH 5752 In Stock

Description and Introduction

131,072 WORD x 8 BIT STATIC RAM The TC551001CPI-70L is a 1Mbit (128K x 8) CMOS static RAM (SRAM) manufactured by Toshiba.  

### **Specifications:**  
- **Organization:** 128K x 8 bits  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 70ns  
- **Operating Current:** 40mA (max)  
- **Standby Current:** 10μA (max)  
- **Package:** 32-pin DIP (Plastic)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Tri-State Outputs:** Yes  
- **Data Retention Voltage:** 2V (min)  

### **Descriptions & Features:**  
- **High-Speed CMOS SRAM** – Provides fast access time (70ns).  
- **Low Power Consumption** – Features low active and standby current.  
- **Fully Static Operation** – No clock or refresh required.  
- **TTL-Compatible Inputs/Outputs** – Ensures easy interfacing with standard logic circuits.  
- **Battery Backup Capability** – Supports data retention at reduced voltage (2V min).  
- **Wide Temperature Range** – Suitable for commercial applications (0°C to +70°C).  

This SRAM is commonly used in embedded systems, industrial controls, and other applications requiring fast, non-volatile memory.

Application Scenarios & Design Considerations

131,072 WORD x 8 BIT STATIC RAM

Alternative Part Number

  • IS61C1024AL-70TLI --: 128K x 8 asynchronous SRAM with 70 ns access time, same 32-pin TSOP package and 5V supply, direct functional replacement.
  • CY7C1021CV33-70ZXC --: 128K x 8 high-speed SRAM with 70 ns speed grade, compatible pinout and 5V operation, widely used as a drop-in substitute.
  • AS6C1008-55TIN --: 128K x 8 low-power CMOS SRAM, 55 ns access time meets the 70 ns requirement, same TSOP-I package and 5V interface.
  • AS6C1008-55PCN --: 128K x 8 asynchronous SRAM in a 32-pin DIP package with 55 ns access time, pin-compatible and faster than the original 70 ns device.
  • CY7C1019DV33-10ZSXI --: 128K x 8 SRAM with similar organization and interface; 3.3 V variant requires supply check but is a common cross-reference for the TC551001 family.

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