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IDT71V2548S133PF from IDT

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IDT71V2548S133PF

Manufacturer: IDT

128K x 36, 256K x 18 3.3V Synchronous ZBT SRAMs 2.5V I/O, Burst Counter Pipelined Outputs

Partnumber Manufacturer Quantity Availability
IDT71V2548S133PF IDT 140 In Stock

Description and Introduction

128K x 36, 256K x 18 3.3V Synchronous ZBT SRAMs 2.5V I/O, Burst Counter Pipelined Outputs The IDT71V2548S133PF is a high-speed 256K x 18 synchronous SRAM manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Density:** 256K x 18 (4.5 Mbit)  
- **Organization:** 262,144 words × 18 bits  
- **Supply Voltage:** 3.3V (±10%)  
- **Speed:** 133 MHz (7.5 ns access time)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 100-pin TQFP (Thin Quad Flat Pack)  
- **I/O Type:** 3.3V LVTTL-compatible  
- **Power Consumption:**  
  - Active: ~1.5W (typical)  
  - Standby: ~50mW (typical)  

### **Descriptions:**  
- **Type:** Synchronous SRAM with ZBT (Zero Bus Turnaround) feature  
- **Interface:** Supports pipelined and flow-through operation modes  
- **Clock:** Single clock (CLK) input for synchronous operation  
- **Control Signals:** Includes chip enable (CE), output enable (OE), write enable (WE), and byte write controls (BWx)  

### **Features:**  
- **High-Speed Performance:** 7.5 ns access time at 133 MHz  
- **ZBT Feature:** Eliminates dead cycles between read and write operations  
- **Byte Write Control:** Individual byte write enables (BW1-BW4) for flexible data handling  
- **Self-Timed Write Cycle:** Simplifies write operation timing  
- **3.3V Operation:** Low-voltage design for reduced power consumption  
- **Industrial-Grade Options:** Available in extended temperature ranges (industrial-grade part numbers differ)  

This SRAM is commonly used in networking, telecommunications, and high-performance computing applications requiring fast, synchronous memory access.  

(Note: Always refer to the official datasheet for precise details.)

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