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IDT71V256SA15PZI from IDT

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IDT71V256SA15PZI

Manufacturer: IDT

LOW POWER 3.3V CMOS FAST SRAM 256K (32K x 8-BIT)

Partnumber Manufacturer Quantity Availability
IDT71V256SA15PZI IDT 3856 In Stock

Description and Introduction

LOW POWER 3.3V CMOS FAST SRAM 256K (32K x 8-BIT) The IDT71V256SA15PZI is a 256K x 16 high-speed CMOS static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Organization:** 262,144 words × 16 bits (256K × 16)  
- **Technology:** High-speed CMOS  
- **Supply Voltage:** 3.3V ± 0.3V  
- **Access Time:** 15 ns  
- **Operating Current:** 85 mA (typical)  
- **Standby Current:** 10 µA (typical)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package:** 44-pin TSOP (Thin Small Outline Package)  

### **Descriptions:**  
- The IDT71V256SA15PZI is a high-performance, low-power SRAM designed for applications requiring fast access times and low power consumption.  
- It is compatible with 3.3V systems and features a common I/O architecture.  
- The device supports asynchronous operation with separate byte controls for reading and writing.  

### **Features:**  
- **High-Speed Performance:** 15 ns access time  
- **Low Power Consumption:**  
  - Active current: 85 mA (typical)  
  - Standby current: 10 µA (typical)  
- **Single 3.3V Power Supply**  
- **Fully Static Operation:** No clock or refresh required  
- **Three-State Outputs**  
- **Byte Control (Upper and Lower Byte Enable)**  
- **Industrial Temperature Support (-40°C to +85°C)**  
- **TSOP-II Package for Space Efficiency**  

This SRAM is commonly used in networking, telecommunications, and embedded systems where fast access and low power are critical.

Application Scenarios & Design Considerations

LOW POWER 3.3V CMOS FAST SRAM 256K (32K x 8-BIT)

Alternative Part Number

  • IS61LV25616AL-15TLI --: 256K x 16 asynchronous SRAM with 15 ns access time, same 3.3V supply and pin-compatible TSOP package, widely available and functionally equivalent.
  • CY7C1041CV33-15ZXI --: 256K x 16 low-power SRAM at 15 ns with 3.3V operation, drop-in compatible timing and interface for the IDT71V256SA.
  • AS7C34096A-15TIN --: 512K x 8 fast asynchronous SRAM at 15 ns, 3.3V, suitable replacement where byte-wide organization is acceptable and offers similar speed grade.
Partnumber Manufacturer Quantity Availability
IDT71V256SA15PZI 45 In Stock

Description and Introduction

LOW POWER 3.3V CMOS FAST SRAM 256K (32K x 8-BIT) The IDT71V256SA15PZI is a high-speed 262,144-bit (32K x 8) Static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 32K x 8  
- **Density:** 262,144 bits (256 Kb)  
- **Supply Voltage:** 3.3V ± 0.3V  
- **Access Time:** 15 ns  
- **Operating Current:** 50 mA (typical)  
- **Standby Current:** 10 µA (typical) in CMOS standby mode  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package:** 28-pin SOJ (Small Outline J-Lead)  
- **Pin Count:** 28  
- **I/O Type:** 3.3V CMOS-compatible  

### **Descriptions:**
- The IDT71V256SA15PZI is a low-power, high-performance SRAM designed for applications requiring fast access times and low power consumption.  
- It features a fully static memory cell design, eliminating the need for external refresh.  
- The device is compatible with 3.3V systems and offers a simple memory interface.  

### **Features:**
- **High-Speed Access:** 15 ns access time  
- **Low Power Consumption:**  
  - Active current: 50 mA (typical)  
  - CMOS standby current: 10 µA (typical)  
- **Single 3.3V Power Supply**  
- **Fully Static Operation:** No refresh required  
- **TTL-Compatible Inputs and Outputs**  
- **Industrial Temperature Support (-40°C to +85°C)**  
- **Three-State Outputs**  
- **Available in 28-pin SOJ Package**  

This SRAM is commonly used in networking, telecommunications, embedded systems, and other high-performance applications requiring fast and reliable memory access.

Application Scenarios & Design Considerations

LOW POWER 3.3V CMOS FAST SRAM 256K (32K x 8-BIT)

Alternative Part Number

  • IS61LV25616AL-15TLI --: 256K x 16 asynchronous SRAM with 15 ns access time in a TSOP-II package, functionally equivalent to the 71V256SA and widely available as a drop-in replacement.
  • CY7C1041CV33-15ZXI --: 256K x 16 low-power SRAM with 15 ns speed grade and 3.3 V operation, matching the original density, organization, and timing class.
  • AS7C34096A-15TIN --: 512K x 8 fast asynchronous SRAM with 15 ns access time; suitable alternative when 8-bit organization is acceptable, from a vendor known for legacy SRAM second-sourcing.

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