SN74ALS163BDBRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: Datasheet package type: SSOP
• Essence: The SN74ALS163BDBRE4 is a high-performance, synchronous, 4-bit binary counter designed for use in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: ALS
• Number of Bits: 4
• Clock Frequency: Up to 125 MHz
• Propagation Delay: 7 ns
• Output Drive Capability: 24 mA
• Input Voltage Levels: TTL compatible

Detailed Pin Configuration

The SN74ALS163BDBRE4 has the following pin configuration:

1. CLR (Clear)
2. CLK (Clock)
3. ENP (Enable Parallel)
4. ENT (Enable Count)
5. A (Binary Input A)
6. B (Binary Input B)
7. C (Binary Input C)
8. D (Binary Input D)
9. QD (Output QD)
10. QC (Output QC)
11. QB (Output QB)
12. QA (Output QA)
13. GND (Ground)
14. VCC (Supply Voltage)

Functional Features

• Synchronous operation with a common clock input (CLK)
• Asynchronous clear input (CLR) to reset the counter
• Enable inputs (ENP and ENT) for parallel loading and counting
• Outputs (QA, QB, QC, QD) provide the binary count information
• High-speed operation with low propagation delay
• TTL compatible input voltage levels

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting applications - Synchronous design ensures accurate and reliable counting - Asynchronous clear input provides easy reset functionality - Enable inputs offer flexibility in parallel loading and counting

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters - Requires external clock signal for operation

Working Principles

The SN74ALS163BDBRE4 is a synchronous counter that counts up from 0 to 15 (in binary) based on the clock input. The counter can be cleared using the asynchronous clear input (CLR). It also supports parallel loading and counting based on the enable inputs (ENP and ENT). The outputs (QA, QB, QC, QD) provide the binary count information.

Detailed Application Field Plans

The SN74ALS163BDBRE4 can be used in various applications, including: 1. Digital frequency dividers 2. Event counters 3. Industrial control systems 4. Data communication equipment 5. Test and measurement instruments

Detailed and Complete Alternative Models

Some alternative models to the SN74ALS163BDBRE4 include: 1. SN74LS163B: Similar 4-bit synchronous binary counter with different package options. 2. CD40163B: 4-bit synchronous binary counter with additional features like ripple carry output. 3. MC14516B: 4-bit synchronous binary counter with separate clock and reset inputs.

These alternative models offer similar functionality but may have differences in specifications, package types, or additional features.

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