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IDT71V424S15PH from IDT

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IDT71V424S15PH

Manufacturer: IDT

3.3V CMOS STATIC RAM 4 MEG (512K x 8-BIT)

Partnumber Manufacturer Quantity Availability
IDT71V424S15PH IDT 9511 In Stock

Description and Introduction

3.3V CMOS STATIC RAM 4 MEG (512K x 8-BIT) ### **IDT71V424S15PH Manufacturer: IDT**  

#### **Specifications:**  
- **Type:** 3.3V CMOS Static RAM (SRAM)  
- **Density:** 4 Megabit (512K x 8)  
- **Speed:** 15 ns access time  
- **Voltage Supply:** 3.3V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 44-pin TSOP (Type II)  
- **I/O Interface:** 5V-tolerant inputs and outputs  
- **Standby Current (Typical):** 10 mA (Operating), 5 µA (TTL Standby), 2 µA (CMOS Standby)  
- **Organization:** 512K words × 8 bits  
- **Cycle Time:** 15 ns  

#### **Descriptions:**  
The **IDT71V424S15PH** is a high-speed CMOS static RAM designed for applications requiring fast access times and low power consumption. It features a 512K × 8 organization and operates at 3.3V, making it suitable for embedded systems, networking, and telecommunications applications.  

#### **Features:**  
- **High-Speed Performance:** 15 ns access time  
- **Low Power Consumption:**  
  - Active current: 90 mA (typical)  
  - Standby current: 5 µA (TTL), 2 µA (CMOS)  
- **5V-Tolerant Inputs/Outputs:** Allows interfacing with 5V systems  
- **Fully Static Operation:** No clock or refresh required  
- **Industrial-Standard Pinout:** Compatible with other 512K × 8 SRAMs  
- **Three-State Outputs:** Supports bus-oriented applications  
- **Automatic Power-Down:** Reduces power consumption when deselected  

This SRAM is ideal for cache memory, buffer storage, and other high-performance memory applications.

Application Scenarios & Design Considerations

3.3V CMOS STATIC RAM 4 MEG (512K x 8-BIT)

Alternative Part Number

  • IS61LV25616AL-15TL --: 256Kx16 asynchronous SRAM with 15 ns access time, same 44-pin TSOP package and pinout, direct functional drop-in replacement.
  • CY7C1041CV33-15ZXC --: 256Kx16 low-power SRAM with 15 ns speed grade in 44-pin TSOP II, comparable supply and timing, widely available alternative.
  • AS7C34096A-15TCN --: 512Kx8 asynchronous SRAM with 15 ns access time, similar architecture and package options, suitable substitute when 16-bit width is not mandatory.
  • IS61LV25616AL-15TLI --: 256K x 16 asynchronous SRAM with 15 ns access time, same 44-pin TSOP II package and 3.3 V supply, pin-compatible replacement for the 71V424.
  • CY7C1041CV33-15ZXI --: 256K x 16 high-speed asynchronous SRAM, 15 ns speed grade, 3.3 V operation and 44-pin TSOP II footprint, widely used as a drop-in substitute.
  • AS7C34096A-15TIN --: 512K x 8 asynchronous SRAM with 15 ns access time in 44-pin TSOP II, offered as a legacy SRAM replacement for IDT 71V-series parts.

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