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IDT71256SA20PZI

Manufacturer: IDT

CMOS Static RAM 256K (32K x 8-Bit)
Partnumber Manufacturer Quantity Availability
IDT71256SA20PZI IDT 2782 In Stock

Description and Introduction

CMOS Static RAM 256K (32K x 8-Bit) The IDT71256SA20PZI is a high-speed 32K x 8-bit static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 32K x 8-bit  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 20 ns  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)  
- **Power Consumption:**  
  - Active: 550 mW (typical)  
  - Standby: 55 mW (typical)  
- **I/O Type:** TTL-compatible  
- **Data Retention:** >10 years  

### **Descriptions:**
- The IDT71256SA20PZI is a CMOS static RAM designed for high-performance applications requiring fast access times.  
- It features a fully static operation, eliminating the need for external refresh circuitry.  
- The device is suitable for embedded systems, networking, and industrial applications.  

### **Features:**
- **High-Speed Performance:** 20 ns access time.  
- **Low Power Consumption:** Reduced power in standby mode.  
- **Wide Operating Temperature Range:** Industrial-grade (-40°C to +85°C).  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits.  
- **Single 5V Power Supply:** Simplifies system design.  
- **Fully Static Operation:** No clock or refresh required.  
- **Three-State Outputs:** Supports bus-oriented systems.  

This information is based solely on the manufacturer's datasheet for the IDT71256SA20PZI.

Application Scenarios & Design Considerations

CMOS Static RAM 256K (32K x 8-Bit)

Alternative Part Number

  • CY7C199-20PC --: 32K x 8 asynchronous SRAM with 20 ns access time in a 28-pin DIP, functionally equivalent to the IDT71256SA20PZI.
  • AS7C256-20PC --: 32K x 8 low-power CMOS SRAM, 20 ns speed grade, same pinout and package, direct drop-in replacement.
  • IS61C256AL-20N --: 32K x 8 high-speed SRAM with 20 ns access time in a 28-pin DIP, comparable timing and interface.
  • CY7C199D-20ZXI --: 32K x 8 asynchronous SRAM in the same 28-pin TSOP-I package with 20 ns access time and industrial temperature range, a direct functional equivalent to the IDT71256SA.
  • IS61WV2568EDBLL-20TLI --: 32K x 8 low-power asynchronous SRAM with 20 ns speed grade and industrial temperature rating, pin-compatible with the IDT71256SA series and widely available.
  • AS7C256A-20TIN --: 32K x 8 asynchronous SRAM offered as a drop-in replacement for the IDT71256 family, matching 20 ns access time, TSOP-I package, and industrial temperature range.

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