SN74LVTH373DW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, low-voltage, transparent latch
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Octal transparent D-type latch with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• High-Level Input Voltage: 2.0V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.4V (min) at IOH = -12mA
• Low-Level Output Voltage: 0.4V (max) at IOL = 24mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVTH373DW has a total of 20 pins, which are arranged as follows:

1. OE (Output Enable) - Active LOW output enable input
2. LE (Latch Enable) - Active HIGH latch enable input
3. D0-D7 (Data Inputs) - Eight data inputs
4. Q0-Q7 (Outputs) - Eight buffered outputs
5. GND (Ground) - Ground reference
6. VCC (Supply Voltage) - Positive supply voltage

Functional Features

• Transparent latch operation: The latch is transparent when the latch enable (LE) input is HIGH, allowing the data inputs to propagate to the outputs.
• 3-state outputs: The outputs can be put into a high-impedance state by asserting the output enable (OE) input LOW, allowing multiple devices to share a common bus.
• Edge-triggered latch: The latch captures the data inputs on the rising edge of the latch enable (LE) input.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-voltage compatibility - 3-state outputs for bus sharing - Edge-triggered latch for precise data capture

Disadvantages: - Limited supply voltage range (2.7V to 3.6V) - Temperature limitations (-40°C to 85°C)

Working Principles

The SN74LVTH373DW is an octal transparent latch with 3-state outputs. When the latch enable (LE) input is HIGH, the latch becomes transparent, allowing the data inputs (D0-D7) to pass through to the outputs (Q0-Q7). The latch captures the data inputs on the rising edge of the LE input. The output enable (OE) input controls the state of the outputs. When OE is LOW, the outputs are active; when OE is HIGH, the outputs enter a high-impedance state.

Detailed Application Field Plans

The SN74LVTH373DW is commonly used in various applications, including:

1. Data storage systems
2. Data transfer between different components or subsystems
3. Address and data buses in microprocessors and microcontrollers
4. Memory interfacing in computer systems
5. Communication systems requiring high-speed data transmission

Detailed and Complete Alternative Models

1. SN74LVTH373NSR - SOIC package, tape and reel packaging, 2500 units per reel
2. SN74LVTH373PWR - TSSOP (Thin Shrink Small Outline Package), tape and reel packaging, 2000 units per reel
3. SN74LVTH373DBR - SSOP (Shrink Small Outline Package), tape and reel packaging, 2000 units per reel
4. SN74LVTH373DGVRE4 - TVSOP (Thin Very Small Outline Package), tape and reel packaging, 3000 units per reel

These alternative models offer similar functionality and characteristics to the SN74LVTH373DW, providing options for different package preferences or quantity requirements.

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