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SN74LS163N from TI,Texas Instruments

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SN74LS163N

Manufacturer: TI, AMD

BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS

Partnumber Manufacturer Quantity Availability
SN74LS163N TI, AMD 63 In Stock

Description and Introduction

BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS The SN74LS163N is a synchronous 4-bit binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Type:** Synchronous 4-Bit Binary Counter  
- **Operating Voltage:** 4.75V to 5.25V  
- **Clock Frequency:** Up to 32 MHz  
- **Count Sequence:** Binary (0000 to 1111)  
- **Reset:** Synchronous (requires clock pulse)  
- **Load Capability:** Parallel load input  
- **Output Type:** Standard (TTL-compatible)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 16-Pin DIP (Dual In-line Package)  

### **Descriptions:**  
The SN74LS163N is a fully synchronous 4-bit binary counter with parallel load and synchronous clear. It counts on the rising edge of the clock signal and features synchronous operation, meaning outputs change only on the clock pulse.  

### **Features:**  
- Synchronous counting and loading  
- Parallel load capability  
- Synchronous clear (reset)  
- Carry output for cascading counters  
- TTL-compatible inputs and outputs  
- Low power consumption (typical 45 mW)  

This device is commonly used in digital counting applications, frequency dividers, and sequential logic circuits.

Application Scenarios & Design Considerations

BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS

Alternative Part Number

  • DM74LS163AN --: Pin-compatible 4-bit synchronous binary counter in the same LS TTL family with identical function and pinout, widely available as a direct second-source replacement.
  • 74LS163AP --: Equivalent 74LS163 synchronous counter with the same electrical characteristics and DIP pinout, suitable as a drop-in substitute from a different vendor.
  • CD74HCT163E --: HCT CMOS version of the 163 counter with TTL-compatible inputs and matching pinout, offering lower power consumption while remaining functionally interchangeable.
  • 74LS163AN --: Pin-compatible 4-bit synchronous binary counter in DIP-16 with identical LS TTL logic function and timing; widely available and a direct drop-in replacement.

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