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SN74ALS169BDR from TI,Texas Instruments

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SN74ALS169BDR

Manufacturer: TI

4-Bit Synchronous Up/Down Binary Counters

Partnumber Manufacturer Quantity Availability
SN74ALS169BDR TI 2045 In Stock

Description and Introduction

4-Bit Synchronous Up/Down Binary Counters The SN74ALS169BDR is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous 4-Bit Up/Down Binary Counter  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Number of Bits:** 4  
- **Counting Sequence:** Up/Down  
- **Trigger Type:** Positive Edge  
- **Propagation Delay Time:** 12ns (typical)  
- **Output Type:** Standard  
- **High-Level Output Current:** -2.6mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions:**  
- The SN74ALS169BDR is a synchronous 4-bit counter with parallel load capability.  
- It operates in either up or down counting modes based on control inputs.  
- Features a fully synchronous operation for reduced counting errors.  
- Includes carry look-ahead circuitry for high-speed counting applications.  

### **Features:**  
- Synchronous counting and loading  
- Internal carry look-ahead for high-speed operation  
- Fully independent clock circuit  
- Parallel load capability  
- Asynchronous clear (reset) function  
- TTL-compatible inputs and outputs  

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

Application Scenarios & Design Considerations

4-Bit Synchronous Up/Down Binary Counters
Partnumber Manufacturer Quantity Availability
SN74ALS169BDR TI Pb-free 1768 In Stock

Description and Introduction

4-Bit Synchronous Up/Down Binary Counters ### Manufacturer: Texas Instruments (TI)  
- **Part Number:** SN74ALS169BDR  
- **Pb-Free (Lead-Free):** Yes  

### Specifications:  
- **Logic Type:** Synchronous 4-Bit Up/Down Binary Counter  
- **Number of Bits:** 4  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package / Case:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Features:**  
  - Synchronous counting  
  - Up/Down counting capability  
  - Parallel load for preset inputs  
  - Fully programmable via control inputs  
  - Internal carry lookahead for cascading  

### Descriptions:  
- The SN74ALS169BDR is a synchronous 4-bit up/down binary counter with a parallel load feature. It operates in both count-up and count-down modes, controlled by input signals. The counter can be preset by loading data in parallel.  

### Features:  
- **Synchronous Operation:** All flip-flops are clocked simultaneously.  
- **Programmable Count Direction:** Controlled by up/down input.  
- **Parallel Load Capability:** Allows loading preset values.  
- **Carry Output:** Simplifies cascading multiple counters.  
- **High-Speed Operation:** Suitable for high-performance digital systems.  
- **Low Power Consumption:** ALS technology ensures efficient power usage.  

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

Application Scenarios & Design Considerations

4-Bit Synchronous Up/Down Binary Counters

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