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TC551001CFT-85L from TOSHIBA

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TC551001CFT-85L

Manufacturer: TOSHIBA, TOS

TC551001CP55
Partnumber Manufacturer Quantity Availability
TC551001CFT-85L,TC551001CFT85L TOSHIBA, TOS 6135 In Stock

Description and Introduction

TC551001CP55 The TC551001CFT-85L is a 1Mbit (128K x 8) CMOS static RAM (SRAM) manufactured by Toshiba. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Organization:** 128K words × 8 bits  
- **Operating Voltage:** 4.5V to 5.5V  
- **Access Time:** 85ns  
- **Operating Current:** 40mA (typical)  
- **Standby Current:** 10µA (typical)  
- **Package:** 32-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Retention Voltage:** 2V (minimum)  

### **Descriptions:**  
- The TC551001CFT-85L is a high-speed, low-power SRAM designed for applications requiring fast access times and battery backup capability.  
- It features a fully static operation, meaning no clock or refresh cycles are required.  
- The device is compatible with TTL levels and supports asynchronous read/write operations.  

### **Features:**  
- **High-Speed Access:** 85ns maximum access time.  
- **Low Power Consumption:**  
  - Operating current: 40mA (typical at 5V, 85ns).  
  - Standby current: 10µA (typical with CMOS level input).  
- **Wide Voltage Range:** Operates from 4.5V to 5.5V.  
- **Fully Static Operation:** No refresh cycles needed.  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits.  
- **Battery Backup Capable:** Data retention at voltages as low as 2V.  
- **Three-State Outputs:** Supports bus-oriented applications.  

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

Application Scenarios & Design Considerations

TC551001CP55

Alternative Part Number

  • IS61C1024AL-15TLI --: 128K x 8 asynchronous SRAM with similar 5V-compatible interface and access time, commonly used as a drop-in replacement for Toshiba 1Mbit SRAMs.
  • CY62256NLL-70PXC --: 32K x 8 low-power SRAM in a comparable package and speed grade, widely available and functionally similar for legacy designs.
  • AS6C1008-55PIN --: 1Mbit low-power CMOS SRAM designed as a direct replacement for legacy Toshiba SRAM parts, with matching organization and voltage.
  • CY7C1019DV33-10ZSXI --: 128K x 8 low-power SRAM offering comparable density and speed grade, suitable drop-in replacement for legacy Toshiba SRAM designs.
  • AS6C1008-55TIN --: 128K x 8 low-power CMOS SRAM specifically marketed as a replacement for obsolete Toshiba TC55 series parts, with matching pinout and timing.

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