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TC551001CFT-70L from TOS,TOSHIBA

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TC551001CFT-70L

Manufacturer: TOS, TOSHIBA, TOSHIBA

TC551001CP55
Partnumber Manufacturer Quantity Availability
TC551001CFT-70L,TC551001CFT70L TOS, TOSHIBA, TOSHIBA 6617 In Stock

Description and Introduction

TC551001CP55 The TC551001CFT-70L 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:** 5V ±10%  
- **Access Time:** 70ns  
- **Operating Current:** 40mA (max)  
- **Standby Current:** 10μA (max, CMOS level)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 32-pin TSOP (Thin Small Outline Package)  

### **Descriptions:**
- **Type:** High-speed CMOS static RAM  
- **Density:** 1 Megabit (128K × 8)  
- **Technology:** Fully static operation, no clock or refresh required  
- **I/O Interface:** Common I/O (three-state output)  
- **Data Retention:** Guaranteed in standby mode with reduced voltage (2V min)  

### **Features:**
- **Low Power Consumption:**  
  - Active current: 40mA (max)  
  - Standby current: 10μA (max, CMOS level)  
- **High-Speed Access:** 70ns access time  
- **Wide Voltage Tolerance:** Operates at 5V ±10%  
- **Fully Static Operation:** No refresh cycles needed  
- **TTL-Compatible Inputs/Outputs**  
- **Single 5V Power Supply**  
- **Three-State Output:** Allows bus sharing  
- **Data Retention Mode:** Maintains data with minimal power (2V min)  

This SRAM is commonly used in applications requiring fast, low-power memory, such as embedded systems, industrial controls, and telecommunications equipment.

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.
  • CY7C1019DV33-10ZSXI --: 128K x 8 low-power SRAM in the same density class; 10 ns speed is faster than needed, so it can substitute where timing margin allows.
  • AS6C1008-55TIN --: 128K x 8 low-power CMOS SRAM with 55 ns access time, a common drop-in replacement for legacy Toshiba 128K x 8 SRAM parts.
  • CY62128EV30LL-45ZXI --: 128K x 8 low-power SRAM with faster 45 ns access time, suitable as a higher-speed substitute in the same footprint.

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