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74HC373PW

Name: 74HC373PW
Rating: 4.7 (12 reviews)

Latches OCTAL 3-STATE LATCH

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Mfr.부분 #74HC373PW
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개요

Description

The 74HC373PW is an octal transparent latch designed for use in digital circuits. It consists of eight D-type flip-flops with output control and enables functionality, allowing data to be latched when the enable input is active. This device operates with a supply voltage range of 2V to 6V and is compatible with both TTL and CMOS logic levels.
Key features include:
- Octal data inputs: Eight data inputs (D0-D7) allow parallel data entry.
- Transparent operation: When the enable pin is active, data is continuously passed from inputs to outputs.
- Latch functionality: When the enable pin is deactivated, the current data is latched, holding the output stable.
- Active low output enable: The outputs can be disabled to prevent loading on the bus.
The 74HC373PW is widely used in microcontroller applications, data storage, and transfer tasks, making it essential for effective data management in digital systems. Its high-speed performance and low power consumption make it suitable for modern electronic applications.

Features

The 74HC373PW is an octal transparent latch designed for high-speed applications. Key features include:
1. Octal Latch: Contains eight latches that store data inputs.
2. Transparent Mode: When the latch enable (LE) is high, data input is continually passed to the outputs.
3. Input/Output: Compatible with TTL levels, allowing easy interfacing with other logic families.
4. Control Inputs: Features two control inputs: LE (Latch Enable) and OE (Output Enable) for managing data flow.
5. High-Speed Operation: Operates at fast switching speeds, making it suitable for high-frequency applications.
6. Low Power Consumption: Designed for reduced power usage, making it energy efficient.
7. Wide Supply Voltage Range: Operates across a supply voltage range of 2V to 6V.
8. DIP and Surface Mount Packages: Available in various package types, including PW (TSSOP) for space-constrained designs.
These features make the 74HC373PW ideal for temporary data storage and buffering in digital circuits.

Package

The 74HC373PW is packaged in a TSSOP (Thin Shrink Small Outline Package) which has 20 pins. This surface-mount package is designed for space-saving applications and is commonly used in digital circuits for latching data.

Pinout

The 74HC373PW is an octal transparent latch with a pin count of 20. It features eight data inputs (D0-D7), eight outputs (Q0-Q7), and control inputs. The key pins include:
- Inputs:
- D0-D7: Data inputs for latching.
- LE (Latch Enable): When high, data appears at outputs; when low, the outputs latch the data.
- Outputs:
- Q0-Q7: Latch outputs that reflect the states of the data inputs when enabled.
- Control:
- G (Output Enable): When low, enables outputs; when high, outputs are in a high-impedance state.
- Power:
- VCC: Positive power supply.
- GND: Ground.
The device is used in applications requiring temporary data storage and transfer, such as buffering data in digital circuits.

Manufacturer

The 74HC373PW is manufactured by Texas Instruments (TI), a renowned American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits (ICs) for a wide range of applications, including digital signal processing, analog electronics, and microcontrollers. Founded in 1930, TI has established itself as a leader in the semiconductor industry, providing innovative solutions for electronics in sectors such as automotive, industrial, consumer electronics, and communications. The 74HC373 is a high-speed CMOS octal transparent latch that is widely used in electronics for data storage and transfer.

Application

The 74HC373PW is an octal transparent latch used in digital circuits. Its application areas include data buffering, temporary data storage, and register file implementations. It's commonly utilized in microcontroller interfacing, parallel data transfer, address latching, and controlling data flow in communication systems. The device is also useful in applications requiring high-speed data processing and synchronization in computers and embedded systems.

Equivalent

The 74HC373PW is a high-speed hex 3-state latch. Equivalent products include:
1. 74HCT373 (TTL-compatible version)
2. 74LS373 (Low-power Schottky version)
3. 74AC373 (Advanced CMOS with higher speed)
4. 74AHC373 (Advanced CMOS with lower power)
Always check the specific voltage levels and operating conditions for compatibility.