QUAD 2-INPUT NOR GATE The TC74HCT02AFN is a quad 2-input NOR gate integrated circuit manufactured by Toshiba. Here are its specifications, descriptions, and features:
### **Specifications:**
- **Logic Family:** HCT (High-Speed CMOS, TTL compatible)
- **Number of Gates:** 4 (Quad)
- **Input Type:** CMOS/TTL compatible
- **Supply Voltage Range (VCC):** 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 (tpd):** 18ns (max at VCC = 5V, CL = 50pF)
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** PDIP-14 (Plastic Dual In-line Package)
- **Pin Count:** 14
### **Descriptions:**
- The TC74HCT02AFN is a high-speed CMOS logic device with TTL-compatible inputs.
- It contains four independent 2-input NOR gates in a single package.
- Designed for general-purpose logic applications where low power consumption and high noise immunity are required.
### **Features:**
- **TTL-Compatible Inputs:** Ensures direct interfacing with TTL logic levels.
- **Low Power Consumption:** CMOS technology ensures minimal power dissipation.
- **High Noise Immunity:** Improved noise margins compared to standard CMOS.
- **Wide Operating Voltage Range:** Supports 4.5V to 5.5V operation.
- **Balanced Propagation Delays:** Ensures stable performance in high-speed applications.
- **Pb-Free and RoHS Compliant:** Environmentally friendly manufacturing.
This information is based on Toshiba's official datasheet for the TC74HCT02AFN.
