SN74F161AN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: The SN74F161AN is a versatile counter IC that can be used in various applications requiring counting functionality.
• Packaging/Quantity: Available in tubes or reels, typically sold in quantities of 25 or more.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100MHz
• Number of Counting Bits: 4
• Output Type: Synchronous Binary
• Reset Function: Asynchronous Clear

Detailed Pin Configuration

The SN74F161AN has 16 pins arranged as follows:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Enable Parallel Input)
4. P0 (Parallel Data Input Bit 0)
5. P1 (Parallel Data Input Bit 1)
6. P2 (Parallel Data Input Bit 2)
7. P3 (Parallel Data Input Bit 3)
8. Q0 (Serial Data Output Bit 0)
9. Q1 (Serial Data Output Bit 1)
10. Q2 (Serial Data Output Bit 2)
11. Q3 (Serial Data Output Bit 3)
12. TC (Terminal Count Output)
13. GND (Ground)
14. QD (Serial Data Output Bit 4)
15. VCC (Supply Voltage)
16. CE (Count Enable)

Functional Features

• High-speed operation allows for efficient counting in time-critical applications.
• Synchronous design ensures accurate and reliable counting.
• Asynchronous clear function enables easy resetting of the counter.
• Parallel data inputs allow for flexible initialization of the counter.
• Serial data output provides a convenient way to cascade multiple counters.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient counting in time-critical applications. - Synchronous design ensures accurate and reliable counting. - Asynchronous clear function allows for easy resetting of the counter. - Versatile parallel data inputs provide flexibility in initializing the counter. - Serial data output facilitates cascading of multiple counters.

Disadvantages: - Limited number of counting bits (4 bits) may not be sufficient for certain applications requiring larger counters. - DIP-16 package may not be suitable for space-constrained designs.

Working Principles

The SN74F161AN is a synchronous binary counter that counts up from an initial value based on the clock input. The counter can be reset asynchronously using the master reset input. The count enable input allows for parallel loading of data into the counter. The terminal count output indicates when the counter reaches its maximum value. The counter operates on a positive-edge-triggered clock signal.

Detailed Application Field Plans

The SN74F161AN can be used in various applications, including but not limited to:

1. Digital frequency dividers
2. Event counters
3. Timekeeping circuits
4. Industrial automation systems
5. Communication equipment
6. Automotive electronics

Detailed and Complete Alternative Models

1. SN74F163A: 4-bit synchronous binary counter with parallel load capability.
2. CD40161B: CMOS 4-bit synchronous binary counter with asynchronous reset.
3. MC14060B: 14-stage ripple carry binary counter/divider.

These alternative models offer similar functionality to the SN74F161AN and can be considered as replacements depending on specific requirements.

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