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IDT72V8980J from IDT

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IDT72V8980J

Manufacturer: IDT

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256

Partnumber Manufacturer Quantity Availability
IDT72V8980J IDT 593 In Stock

Description and Introduction

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256 The IDT72V8980J is a high-performance, low-power synchronous FIFO (First-In, First-Out) memory device manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Density:** 64K x 18 (1,179,648 bits)  
- **Organization:** 65,536 words × 18 bits  
- **Data Width:** 18 bits  
- **Operating Voltage:** 3.3V (±10%)  
- **Speed Grades:**  
  - **J (Commercial):** 10 ns, 15 ns, 20 ns  
- **Operating Temperature Range:**  
  - **Commercial (0°C to +70°C)**  
- **Package:** 100-pin TQFP (Thin Quad Flat Pack)  
- **I/O Type:** 3.3V LVTTL-compatible  

### **Descriptions:**  
- The IDT72V8980J is a synchronous FIFO designed for high-speed data buffering applications.  
- It supports simultaneous read and write operations with independent clocks.  
- Features programmable flags (Almost Full/Almost Empty) for flow control.  
- Includes retransmit capability for data recovery.  
- Low-power CMOS technology for reduced power consumption.  

### **Features:**  
- **High-Speed Operation:** Up to 100 MHz (10 ns cycle time).  
- **Synchronous Operation:** Independent read and write clocks.  
- **Programmable Flags:** Almost Full (AF), Almost Empty (AE), Half-Full (HF).  
- **Retransmit Function:** Allows re-reading of data without resetting the FIFO.  
- **Bypassable Depth Expansion:** Supports cascading for deeper FIFOs.  
- **Low Power Consumption:** Standby and operating power-saving modes.  
- **JTAG Boundary Scan:** Supports IEEE 1149.1-compliant testability.  
- **Industrial-Grade Options:** Available in extended temperature ranges (not for the "J" variant).  

This FIFO is commonly used in networking, telecommunications, and data processing applications requiring high-speed buffering.  

(Note: The "J" suffix indicates the commercial temperature range variant.)

Application Scenarios & Design Considerations

3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256

Alternative Part Number

  • CY7C4281V-15JXC --: Pin-compatible FIFO memory from Cypress with similar 64K x 9 organization and 15 ns speed, widely available as a drop-in alternative to the IDT72V8980J.
  • SN74ACT7804-20PN --: TI FIFO memory with comparable depth and width, 20 ns access time, and similar synchronous interface; suitable functional replacement when slight speed derating is acceptable.
  • IDT72V8981J --: Same IDT 72V series family with closely matched FIFO architecture and pinout, offering an easy migration path with minimal board changes.
  • CY7C4255V-15AXC --: Cypress FIFO memory in the same 256x18 density class with compatible synchronous interface, widely available and pin-compatible in many designs.
  • SN74ACT7808-40PQ --: TI synchronous FIFO with similar depth/width organization and 5V TTL-compatible I/O, suitable drop-in replacement for many 72V8980 applications.
  • 72V8980L15PF --: Renesas continues the former IDT FIFO line with equivalent 72V8980 functionality, offering the closest electrical and timing match.

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