MC74HC374ADTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Octal D-Type, Transparent Latch
• Package: TSSOP-20
• Essence: The MC74HC374ADTG is a high-speed octal D-type transparent latch. It is designed to store and transfer data in electronic systems.
• 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
• Propagation Delay: 14 ns (typical)
• Output Current: ±25 mA
• Input Capacitance: 3.5 pF (typical)
• Output Capacitance: 8 pF (typical)

Detailed Pin Configuration

The MC74HC374ADTG has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Latch Output 0)
14. Q1 (Latch Output 1)
15. Q2 (Latch Output 2)
16. Q3 (Latch Output 3)
17. Q4 (Latch Output 4)
18. Q5 (Latch Output 5)
19. Q6 (Latch Output 6)
20. VCC (Supply Voltage)

Functional Features

• High-speed operation allows for efficient data transfer.
• Octal D-type transparent latch design enables easy storage and retrieval of data.
• Output enable (OE) pin provides control over the output state.
• Master reset (MR) pin allows for resetting the latch to a known state.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates quick data transfer.
• Octal design provides ample storage capacity.
• Transparent latch allows for real-time data updates.
• Small package size (TSSOP-20) saves board space.

Disadvantages

• Limited voltage supply range (2V to 6V).
• Relatively low output current capability.

Working Principles

The MC74HC374ADTG operates based on the principles of flip-flops and latches. It stores data in its internal memory and transfers it to the output pins upon receiving a clock pulse. The transparent latch design ensures that the stored data remains visible at the outputs as long as the output enable (OE) pin is active. The master reset (MR) pin allows for resetting the latch to a known state when required.

Detailed Application Field Plans

The MC74HC374ADTG can be used in various applications, including:

1. Data storage and transfer in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. Register file implementation in digital signal processing (DSP) circuits.
4. State machine design in control systems.
5. Parallel-to-serial and serial-to-parallel data conversion.

Detailed and Complete Alternative Models

Some alternative models to the MC74HC374ADTG include:

1. SN74HC374N by Texas Instruments
2. CD74HC374E by Texas Instruments
3. 74HC374D by NXP Semiconductors
4. 74HC374PW by Nexperia

These alternative models offer similar functionality and can be used as replacements for the MC74HC374ADTG in various applications.

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