74HC373DTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal transparent latch with 3-state outputs
• Characteristics: High-speed, low-power CMOS technology; 8-bit D-type latch; 3-state outputs; wide operating voltage range
• Package: TSSOP-20
• Essence: The 74HC373DTR2G is a versatile latch IC that can store and output 8 bits of data. It is commonly used in digital systems for temporary storage and data transfer.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 14 ns (typical)
• Output Current: ±6 mA

Pin Configuration

The 74HC373DTR2G has a total of 20 pins arranged as follows:

+---+--+---+ OE1 |1 +--+ 20| VCC QA |2 19| OE2 QB |3 18| QH QC |4 17| QG QD |5 16| QF QE |6 15| QE QF |7 14| QD QG |8 13| QC QH |9 12| QB GND |10 11| QA +----------+

Functional Features

• Octal transparent latch with 3-state outputs
• Latches data on the rising edge of the clock signal
• Outputs can be put in high-impedance state using the output enable (OE) pins
• Can be cascaded for larger data storage requirements

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating voltage range - 3-state outputs allow easy bus sharing

Disadvantages: - Limited data storage capacity (8 bits) - Not suitable for applications requiring non-volatile memory

Working Principles

The 74HC373DTR2G operates as an octal transparent latch, meaning it can store and output 8 bits of data. The latch is controlled by a clock signal, which latches the input data onto the outputs on the rising edge of the clock. The output enable pins (OE1 and OE2) control whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74HC373DTR2G finds applications in various digital systems where temporary storage and data transfer are required. Some common application fields include:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Memory interfacing
4. Address decoding
5. Parallel-to-serial and serial-to-parallel conversion

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC373DTR2G are:

1. SN74LS373N: Octal D-type transparent latch with 3-state outputs
2. CD74HCT373E: High-speed CMOS logic octal transparent latch
3. MC74HC373AN: Octal D-type latch with 3-state outputs

These alternatives can be considered based on specific project requirements and availability.

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