Octal D-Type Flip Flop with 3-State Output The TC74VHC374FK is a high-speed CMOS octal D-type flip-flop with 3-state outputs, manufactured by Toshiba. Below are the specifications, descriptions, and features based on the available knowledge base:
### **Specifications:**
- **Technology:** CMOS
- **Supply Voltage Range (VCC):** 2.0V to 5.5V
- **High-Speed Operation:**
- tpd = 4.1 ns (typical) at VCC = 5V
- **Low Power Consumption:**
- ICC = 4 μA (max) at Ta = 25°C
- **Output Current:**
- ±8 mA (min) at VCC = 4.5V
- **Input Voltage Levels:**
- High-level input voltage (VIH): 2.0V (min) at VCC = 2.0V
- Low-level input voltage (VIL): 0.8V (max) at VCC = 2.0V
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** SSOP (Shrink Small Outline Package)
- **Pin Count:** 20
### **Descriptions:**
- The TC74VHC374FK is an octal D-type flip-flop with 3-state outputs, designed for bus interface applications.
- It features edge-triggered flip-flops with a common clock (CP) and output enable (OE) control.
- The 3-state outputs allow multiple devices to be connected to a common bus without interference.
- The device is compatible with TTL levels and operates at high speed while consuming low power.
### **Features:**
- **High-Speed CMOS Technology:** Ensures fast operation with low power consumption.
- **Wide Operating Voltage Range (2.0V to 5.5V):** Compatible with 3.3V and 5V systems.
- **3-State Outputs:** Allows connection to a bus-oriented system.
- **TTL-Compatible Inputs:** Can interface with TTL logic levels.
- **Latch-Up Performance:** Exceeds 300 mA per JESD 78.
- **ESD Protection:**
- HBM: 2000V (min)
- MM: 200V (min)
This information is based on Toshiba's official documentation for the TC74VHC374FK. For detailed electrical characteristics and timing diagrams, refer to the datasheet.
