FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE) The **IDT74FCT646ATP** is a high-speed octal bus transceiver and register from Integrated Device Technology (IDT). Here are its key specifications, descriptions, and features:
### **Manufacturer:**
- **IDT (Integrated Device Technology)**
### **Specifications:**
- **Logic Type:** Octal Bus Transceiver/Register
- **Technology:** FCT (Fast CMOS TTL-compatible)
- **Number of Bits:** 8-bit
- **Voltage Supply:** **5V** (4.5V to 5.5V)
- **Operating Temperature Range:** **-40°C to +85°C**
- **Package Type:** **TSSOP-24**
- **Logic Family:** **74FCT**
- **Input/Output Type:** 3-State
- **Propagation Delay:** **5.5ns (max)**
- **Output Drive:** **±24mA**
### **Descriptions:**
- The **IDT74FCT646ATP** is an **8-bit bidirectional transceiver with 3-state outputs** and a storage register.
- It supports **non-inverting data transmission** between buses.
- Features **direction control (DIR)** and **output enable (OE)** for flexible bus management.
- Includes **latch/flip-flop storage** for synchronous data transfer.
### **Features:**
- **Bidirectional bus interface** with direction control.
- **3-state outputs** for bus isolation.
- **TTL-compatible inputs and outputs**.
- **Low power consumption** (FCT technology).
- **High-speed operation** (5.5ns max propagation delay).
- **24mA balanced output drive**.
- **ESD protection** on all inputs and outputs.
- **Industrial temperature range** (-40°C to +85°C).
This device is commonly used in **data communication, bus interfacing, and buffering applications**.
