SN74ALVCH373GQNR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, low-power consumption
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Octal transparent latch with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply voltage range: 1.65V to 3.6V
• Input voltage range: -0.5V to VCC + 0.5V
• Output voltage range: 0V to VCC
• Operating temperature range: -40°C to 85°C
• Maximum propagation delay: 2.8ns
• Maximum quiescent current: 10μA

Detailed Pin Configuration

The SN74ALVCH373GQNR has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Octal transparent latch with 3-state outputs
• High-speed operation with low power consumption
• Supports bidirectional data flow
• Allows individual latch enable and output enable control
• Provides non-inverting outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps conserve energy - Bidirectional data flow enables versatile applications - Individual control of latch enable and output enable enhances flexibility

Disadvantages: - Limited voltage range (1.65V to 3.6V) - Relatively small package size may require careful handling during assembly

Working Principles

The SN74ALVCH373GQNR is an octal transparent latch with 3-state outputs. It operates by latching the input data when the latch enable (LE) signal is active. The latch stores the data until the next clock pulse (CP) arrives. The output enable (OE) signal controls whether the latch outputs are enabled or in a high-impedance state.

When the OE signal is active, the latch outputs follow the stored data. In contrast, when the OE signal is inactive, the latch outputs enter a high-impedance state, allowing other devices to drive the bus lines without interference.

Detailed Application Field Plans

The SN74ALVCH373GQNR is commonly used in various applications that involve data storage and transfer. Some specific application field plans include:

1. Microprocessor systems: The latch can be used to store and transfer data between the microprocessor and other peripheral devices.
2. Memory modules: The latch can facilitate data transfer between memory modules and other components of a computer system.
3. Communication systems: The latch can be utilized in communication systems to buffer and synchronize data signals.
4. Industrial automation: The latch can play a role in controlling and coordinating data flow within industrial automation systems.
5. Automotive electronics: The latch can be employed in automotive electronics for data storage and transfer between different components.

Detailed and Complete Alternative Models

1. SN74ALVCH373DGV: 20-pin TSSOP package, similar specifications and features.
2. SN74ALVCH373PW: 20-pin TSSOP package, wider supply voltage range (1.65V to 5.5V).
3. SN74ALVCH373PWRG4: 20-pin TSSOP package, extended temperature range (-40°C to 125°C).

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALVCH373GQNR depending on specific requirements and constraints.

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