SN74ABT373DBRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latch with 3-State Outputs
• Characteristics:
  • High-speed operation
  • 3-state outputs for bus-oriented applications
  • Non-inverting outputs
  • Output sink capability of 64 mA, source capability of 32 mA
  • Power-up 3-state
  • Latch-up performance exceeds 250 mA per JESD 17
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74ABT373DBRG4 is an octal transparent latch with 3-state outputs, designed for high-speed operation in bus-oriented applications.

Specifications

• Supply voltage range: 4.5V to 5.5V
• Input voltage range: 0V to VCC
• Operating temperature range: -40°C to +85°C
• Output current: ±64mA
• Propagation delay time: 2.8ns (max)
• Output capacitance: 6pF (typ)

Detailed Pin Configuration

The SN74ABT373DBRG4 has a total of 20 pins. The pin configuration is as follows:

1. D0: Data input for latch 0
2. D1: Data input for latch 1
3. D2: Data input for latch 2
4. D3: Data input for latch 3
5. D4: Data input for latch 4
6. D5: Data input for latch 5
7. D6: Data input for latch 6
8. D7: Data input for latch 7
9. GND: Ground
10. OE: Output enable
11. CP: Clock pulse input
12. LE: Latch enable
13. Q0: Output for latch 0
14. Q1: Output for latch 1
15. Q2: Output for latch 2
16. Q3: Output for latch 3
17. Q4: Output for latch 4
18. Q5: Output for latch 5
19. Q6: Output for latch 6
20. Q7: Output for latch 7

Functional Features

• Octal transparent latch with 3-state outputs
• Non-inverting outputs
• High-speed operation suitable for bus-oriented applications
• Power-up 3-state feature allows the outputs to be in a high-impedance state during power-up
• Latch-up performance exceeds industry standards

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer in bus-oriented applications - 3-state outputs allow multiple devices to share a common bus - Non-inverting outputs simplify circuit design

Disadvantages: - Limited supply voltage range (4.5V to 5.5V) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74ABT373DBRG4 operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) input controls the 3-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74ABT373DBRG4 is commonly used in various applications, including:

1. Data buses in microprocessors and microcontrollers
2. Memory address and data storage systems
3. Input/output (I/O) interfaces
4. Communication systems
5. Industrial control systems

Detailed and Complete Alternative Models

1. SN74ABT373DWR: 20-pin SOIC (Small Outline Integrated Circuit) package
2. SN74ABT373PW: 20-pin TSSOP package with wider body
3. SN74ABT373DBR: 20-pin SSOP (Shrink Small Outline Package) package

These alternative models offer similar functionality to the SN74ABT373DBRG4 but may differ in package type or pin configuration.

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