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CD74HC4543E from HAR

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CD74HC4543E

Manufacturer: HAR

High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver for LCDs

Partnumber Manufacturer Quantity Availability
CD74HC4543E HAR 19 In Stock

Description and Introduction

High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver for LCDs The CD74HC4543E is a BCD-to-7 segment latch/decoder/driver manufactured by Texas Instruments (HAR). Here are its key specifications:

1. **Function**: Converts 4-bit binary-coded decimal (BCD) to 7-segment outputs for driving common-cathode LED displays.
2. **Latch Feature**: Includes a storage latch for the BCD input.
3. **Output Drive**: 25 mA sink capability per segment.
4. **Supply Voltage**: 2V to 6V (HC family).
5. **Operating Temperature**: -55°C to +125°C (military-grade range).
6. **Package**: 16-pin PDIP, SOIC, or TSSOP.
7. **Logic Family**: High-speed CMOS (HC).
8. **Additional Features**: 
   - Lamp test input.
   - Blanking input.
   - Phase input for segment control.

Note: "HAR" refers to Texas Instruments' manufacturing/packaging code. For exact HAR-specific details (e.g., lot/date codes), consult the manufacturer's datasheet or packaging labels.

Partnumber Manufacturer Quantity Availability
CD74HC4543E HARRIS 457 In Stock

Description and Introduction

High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver for LCDs The CD74HC4543E is a BCD-to-7-segment latch/decoder/driver manufactured by **HARRIS**.  

### Key Specifications:  
- **Logic Family**: HC (High-Speed CMOS)  
- **Function**: BCD-to-7-segment latch/decoder/driver  
- **Supply Voltage Range**: 2V to 6V  
- **Output Current**: 25mA (sink)  
- **Latch Enable (LE)**: Yes  
- **Blanking Input (BI)**: Yes  
- **Phase Input (PH)**: Controls segment polarity  
- **Operating Temperature Range**: -55°C to +125°C  
- **Package**: 16-pin PDIP, SOIC  

This IC is designed for driving common-cathode LED displays and includes features like latching and blanking control.  

(Note: Harris was acquired by Intersil, which was later acquired by Renesas Electronics.)

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