QUAD BUS BUFFER The TC74VHCT126AF is a quad bus buffer gate manufactured by Toshiba. Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Logic Family:** VHCT (Very High-Speed CMOS with TTL compatibility)
- **Number of Channels:** 4 (Quad)
- **Logic Type:** Buffer/Driver, Non-Inverting
- **Supply Voltage Range:** 4.5V to 5.5V
- **High-Level Input Voltage (VIH):** 2.0V (min)
- **Low-Level Input Voltage (VIL):** 0.8V (max)
- **High-Level Output Voltage (VOH):** 4.4V (min at VCC = 4.5V, IOH = -4mA)
- **Low-Level Output Voltage (VOL):** 0.1V (max at VCC = 4.5V, IOL = 4mA)
- **Propagation Delay Time (tpd):** 6.5ns (max at VCC = 5V, CL = 50pF)
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** SOP-14 (Small Outline Package)
### **Descriptions:**
- The TC74VHCT126AF is a quad buffer with 3-state outputs designed for bus-oriented applications.
- It features non-inverting buffers with separate output enable (OE) controls for each channel.
- The device is compatible with TTL levels, making it suitable for interfacing between TTL and CMOS systems.
### **Features:**
- **3-State Outputs:** Allows connection to a bus system without interference.
- **TTL-Compatible Inputs:** Ensures seamless integration with TTL logic levels.
- **High-Speed Operation:** Low propagation delay for fast signal transmission.
- **Low Power Consumption:** CMOS technology ensures minimal power dissipation.
- **Wide Operating Voltage Range:** Supports standard 5V logic systems.
- **Output Current Capability:** ±8mA (min) for driving moderate loads.
This information is based on Toshiba's datasheet for the TC74VHCT126AF.
