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TC55257DFTL-70V from TOSH,TOSHIBA

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TC55257DFTL-70V

Manufacturer: TOSH, TOSHIBA

32,768-WORD BY 8-BIT STATIC RAM

Partnumber Manufacturer Quantity Availability
TC55257DFTL-70V,TC55257DFTL70V TOSH, TOSHIBA 1789 In Stock

Description and Introduction

32,768-WORD BY 8-BIT STATIC RAM The TC55257DFTL-70V is a CMOS static RAM manufactured by Toshiba. Here are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Organization:** 32K words × 8 bits (256K-bit)
- **Operating Voltage:** 4.5V to 5.5V
- **Access Time:** 70 ns
- **Operating Current:** 30 mA (typical)
- **Standby Current:** 10 μA (typical, CMOS level)
- **Package:** 28-pin SOP (Small Outline Package)
- **Operating Temperature Range:** -40°C to +85°C
- **I/O Compatibility:** TTL-level
- **Data Retention Voltage:** 2V (min)

### **Descriptions:**
- The TC55257DFTL-70V is a low-power, high-speed CMOS static RAM.
- It is designed for applications requiring battery backup or low-power operation.
- Features a fully static operation, meaning no clock or refresh is required.
- Suitable for industrial and commercial applications due to its wide temperature range.

### **Features:**
- **Low Power Consumption:** Optimized for battery-operated devices.
- **High Speed:** 70 ns access time ensures fast data retrieval.
- **Wide Voltage Range:** Operates reliably from 4.5V to 5.5V.
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with other logic circuits.
- **Data Retention:** Maintains data at voltages as low as 2V.
- **Fully Static Operation:** No need for external refresh cycles.
- **Industrial-Grade:** Supports extended temperature ranges (-40°C to +85°C).

This information is strictly factual and derived from Ic-phoenix technical data files.

Application Scenarios & Design Considerations

32,768-WORD BY 8-BIT STATIC RAM

Alternative Part Number

  • IS62C256AL-70U --: 32K x 8 low-power CMOS SRAM with 70 ns access time, functionally equivalent to the TC55257 series and widely available.
  • AS6C62256-70PCN --: 32K x 8 asynchronous SRAM, 70 ns speed grade, pin-compatible replacement for the TC55257DFTL-70V.
  • CY62256NLL-70PXC --: 32K x 8 low-power SRAM with 70 ns access time, same organization and interface, suitable drop-in alternative.

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