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M74HC4543M1R from ST,ST Microelectronics

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M74HC4543M1R

Manufacturer: ST

BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER

Partnumber Manufacturer Quantity Availability
M74HC4543M1R ST 519 In Stock

Description and Introduction

BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER The **M74HC4543M1R** is a BCD-to-7-segment latch/decoder/driver IC manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Technology:** CMOS  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-16  
- **Logic Family:** 74HC  
- **Output Current (Sink/Source):** 25mA (max)  
- **Propagation Delay:** 190ns (typical at 5V)  

### **Descriptions:**
- The **M74HC4543M1R** is a **BCD-to-7-segment decoder/driver** with an integrated **latch**.  
- It converts **4-bit Binary-Coded Decimal (BCD)** input into signals suitable for driving **7-segment LED or LCD displays**.  
- Features **latch enable (LE)** for data storage and **phase input (PH)** for display control.  

### **Features:**
- **BCD to 7-segment conversion** with **latch storage**.  
- **High noise immunity** due to CMOS technology.  
- **Low power consumption**.  
- **Direct drive capability** for LED and LCD displays.  
- **Wide operating voltage range (2V to 6V)**.  
- **Compatible with TTL inputs**.  

This IC is commonly used in **digital display applications**, such as counters, clocks, and instrumentation panels.  

(Source: STMicroelectronics datasheet)

Application Scenarios & Design Considerations

BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER

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