3.3 VOLT CMOS SuperSync FIFOTM The IDT72V291L20PF is a high-performance, low-power, 3.3V CMOS FIFO memory device manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Part Number:** IDT72V291L20PF
- **Memory Size:** 262,144 x 18 bits (4,718,592 bits)
- **Organization:** 256K x 18
- **Supply Voltage:** 3.3V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C)
- **Package:** 80-Lead TQFP (Thin Quad Flat Pack)
- **Speed Grade:** 20 ns (50 MHz)
- **I/O Type:** 5V Tolerant Inputs
- **Power Consumption:** Low power CMOS technology
### **Descriptions:**
- The IDT72V291L20PF is a synchronous FIFO (First-In, First-Out) memory designed for high-speed data buffering applications.
- It supports independent read and write clocks, enabling asynchronous operation.
- Features programmable Almost Full/Almost Empty flags for efficient data flow control.
- Suitable for networking, telecommunications, and data processing systems.
### **Features:**
- **High-Speed Operation:** 50 MHz clock frequency (20 ns cycle time).
- **Dual-Clock FIFO:** Independent read and write clocks for asynchronous operation.
- **Programmable Flags:** Almost Full (AF), Almost Empty (AE), Full (FF), and Empty (EF) flags.
- **Retransmit Function:** Allows data to be re-read from the beginning of the FIFO.
- **5V-Tolerant Inputs:** Supports interfacing with 5V logic devices.
- **Low Power Consumption:** CMOS technology ensures power efficiency.
- **Expandable Depth and Width:** Supports daisy-chaining for deeper or wider FIFO configurations.
- **Industrial Standard Pinout:** Compatible with other industry-standard FIFOs.
This device is commonly used in applications requiring high-speed data buffering, such as networking equipment, DSP interfaces, and communication systems.
