Octal Schmitt D-Type Latch with 3-State Output The **TC74VHCV373FK** is a high-speed CMOS octal D-type latch manufactured by **TOSHIBA**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Logic Family:** VHC (Very High-Speed CMOS)
- **Number of Bits:** 8 (Octal)
- **Latch Type:** Transparent (3-state output)
- **Supply Voltage Range:** **2.0V to 5.5V**
- **High-Speed Operation:** **tpd = 4.3 ns (max) at 5V**
- **Low Power Consumption:** **ICC = 4 μA (max) at Ta = 25°C**
- **Output Drive Capability:** **±8 mA at 3V, ±24 mA at 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:** **FK (SSOP-20)**
### **Descriptions:**
- The **TC74VHCV373FK** is an **8-bit transparent latch** with **3-state outputs**.
- It is compatible with **TTL levels** and operates across a **wide voltage range (2.0V–5.5V)**.
- The latch features a **latch enable (LE) input** and an **output enable (OE) input** for controlling data flow.
- When **OE is low**, the outputs are active; when **OE is high**, the outputs are in a **high-impedance state**.
### **Features:**
- **High-Speed CMOS Technology:** Ensures fast switching speeds.
- **Wide Operating Voltage Range (2.0V–5.5V):** Supports mixed-voltage applications.
- **3-State Outputs:** Allows bus-oriented applications.
- **Low Power Consumption:** Ideal for battery-operated devices.
- **TTL-Compatible Inputs:** Ensures compatibility with TTL logic levels.
- **Balanced Propagation Delays:** Ensures reliable performance.
- **ESD Protection:** **HBM: 2000V (min)**, **MM: 200V (min)**.
This device is commonly used in **data storage, bus interfacing, and signal buffering** applications.
