BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS The SN5446AJ is a part manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** SN5446AJ
- **Type:** BCD-to-Seven-Segment Decoder/Driver
- **Technology:** TTL (Transistor-Transistor Logic)
- **Supply Voltage (VCC):** 4.75V to 5.25V (standard 5V operation)
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)
- **Package Type:** Ceramic DIP (Dual In-line Package)
- **Pin Count:** 16
### **Descriptions:**
- The SN5446AJ is a BCD-to-seven-segment decoder/driver designed to convert binary-coded decimal (BCD) inputs into signals suitable for driving seven-segment LED or incandescent displays.
- It includes active-low outputs for driving common-anode displays.
- The device features ripple-blanking input (RBI) and ripple-blanking output (RBO) for display blanking control.
- It also includes a lamp test (LT) input for testing all segments of the display.
### **Features:**
- **BCD Input:** Accepts 4-bit BCD input (A, B, C, D).
- **Seven-Segment Outputs:** Active-low outputs (a-g) for driving common-anode displays.
- **Lamp Test (LT):** Allows all segments to be illuminated for testing.
- **Ripple Blanking (RBI/RBO):** Supports leading/trailing zero suppression.
- **Open-Collector Outputs:** Can sink sufficient current for LED or incandescent displays.
- **High-Noise Immunity:** Designed for reliable operation in noisy environments.
This information is based solely on the manufacturer's datasheet and technical documentation.
