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TC55257DPL-55V from TOSHIBA

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TC55257DPL-55V

Manufacturer: TOSHIBA

32,768-WORD BY 8-BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55257DPL-55V,TC55257DPL55V TOSHIBA 2000 In Stock

Description and Introduction

32,768-WORD BY 8-BIT STATIC RAM The TC55257DPL-55V is a 262,144-word by 8-bit CMOS static RAM (SRAM) manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 262,144 words × 8 bits (256K × 8)  
- **Supply Voltage:** 5V ± 10%  
- **Access Time:** 55ns (max)  
- **Operating Current:** 60mA (max)  
- **Standby Current:** 10μA (max) in CMOS mode  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin Plastic DIP (Dual In-line Package)  

### **Descriptions:**
- **Type:** High-speed CMOS static RAM  
- **Functionality:** Fully static operation, no clock or refresh required  
- **Data Retention:** Guaranteed in standby mode with reduced voltage (2V min)  
- **I/O Interface:** Common input/output (I/O) pins  
- **Control Pins:** Chip Enable (CE), Output Enable (OE), and Write Enable (WE) for easy interfacing  

### **Features:**
- **Low Power Consumption:**  
  - Active current: 60mA (max)  
  - Standby current: 10μA (max) in CMOS mode  
- **High-Speed Operation:** 55ns access time  
- **Wide Operating Voltage Range:** 4.5V to 5.5V  
- **Fully Static Design:** No refresh cycles required  
- **Tri-State Outputs:** Allows bus-oriented applications  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with TTL logic  
- **Data Retention Mode:** Maintains data at reduced voltage (2V min)  

This SRAM is suitable for applications requiring high-speed, low-power memory, such as embedded systems, industrial controls, and telecommunications.

Application Scenarios & Design Considerations

32,768-WORD BY 8-BIT STATIC RAM

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