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CD54HC191F3A

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter

Partnumber Manufacturer Quantity Availability
CD54HC191F3A 21 In Stock

Description and Introduction

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter The CD54HC191F3A is a high-speed CMOS logic 4-bit synchronous up/down counter manufactured by Texas Instruments. Here are its key specifications:

- **Logic Family**: HC (High-Speed CMOS)
- **Supply Voltage Range**: 2V to 6V
- **Operating Temperature Range**: -55°C to 125°C
- **Package Type**: SOIC-16
- **Number of Bits**: 4
- **Counting Sequence**: Synchronous Up/Down
- **Maximum Clock Frequency**: 36 MHz (at 5V)
- **Propagation Delay**: 14 ns (typical at 5V)
- **Output Current**: ±5.2 mA
- **Input Capacitance**: 3.5 pF
- **Features**: Parallel load, ripple clock output, asynchronous clear

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
CD54HC191F3A HAR 973 In Stock

Description and Introduction

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter The CD54HC191F3A is a high-speed CMOS logic 4-bit synchronous up/down counter manufactured by Harris Semiconductor (now part of Texas Instruments).  

### Key Specifications:  
- **Manufacturer**: Harris (HAR)  
- **Logic Family**: HC (High-Speed CMOS)  
- **Supply Voltage Range**: 2V to 6V  
- **Operating Temperature Range**: -55°C to +125°C  
- **Package**: 16-pin ceramic flatpack (F3A)  
- **Counting Modes**: Synchronous up/down  
- **Features**: Parallel load, ripple clock output, asynchronous master reset  
- **Propagation Delay**: Typically 14ns at 5V  
- **Power Consumption**: Low (CMOS technology)  

This part is designed for military and aerospace applications due to its extended temperature range and ceramic packaging.  

(Source: Harris Semiconductor datasheet for CD54HC191 series.)

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