FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS The **IDT74FCT245CTQ** is a high-speed octal bus transceiver manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** IDT (Integrated Device Technology)
- **Type:** Octal Bus Transceiver
- **Logic Family:** FCT (Fast CMOS TTL-Compatible)
- **Number of Channels:** 8 (Octal)
- **Supply Voltage (Vcc):** 4.5V to 5.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Input/Output Compatibility:** TTL-Level
- **Propagation Delay:** Typically 4.5ns (max 7.5ns)
- **Output Drive Capability:** ±24mA
- **Package Type:** TSSOP (Thin Shrink Small Outline Package)
- **Pin Count:** 20
### **Descriptions:**
- The **74FCT245CTQ** is a bidirectional transceiver designed for asynchronous communication between data buses.
- It features **3-state outputs** and **direction control (DIR pin)** to determine data flow.
- The device is optimized for **high-speed, low-power** operation while maintaining TTL compatibility.
### **Features:**
- **Bidirectional Data Flow:** Controlled by DIR pin (Direction Input).
- **3-State Outputs:** Allows bus isolation when disabled.
- **TTL-Compatible Inputs/Outputs:** Ensures seamless interfacing with TTL logic.
- **High-Speed Operation:** Low propagation delay for fast data transfer.
- **Low Power Consumption:** CMOS technology reduces power dissipation.
- **ESD Protection:** Improved electrostatic discharge (ESD) robustness.
- **Bus Hold on Data Inputs:** Eliminates need for external pull-up/pull-down resistors.
This device is commonly used in **data communication systems, memory interfacing, and bus buffering applications**.
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