Overview
The 74HC373DTR2G, produced by onsemi, is an octal D-type transparent latch with 3-state outputs. This device is part of the 74HC series, known for its high-performance silicon-gate CMOS technology. It features latch enable (LE) and output enable (OE) inputs, making it versatile for various digital logic applications. The 74HC373DTR2G is compatible with a wide supply voltage range from 2.0 V to 6.0 V, making it suitable for a broad range of electronic systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | - | 2.0 | - | 6.0 | V |
| VIH HIGH-level Input Voltage | VCC = 6.0 V | 4.2 | - | 4.2 | V |
| VIL LOW-level Input Voltage | VCC = 6.0 V | -2.8 | - | -1.8 | V |
| VOH HIGH-level Output Voltage | IO = -20 μA; VCC = 6.0 V | 5.9 | - | 6.0 | V |
| VOL LOW-level Output Voltage | IO = 6.0 mA; VCC = 4.5 V | -0.33 | - | -0.16 | V |
| tsu Minimum Setup Time, Input D to Latch Enable | VCC = 6.0 V | 4.0 | - | 6.0 | ns |
| th Minimum Hold Time, Latch Enable to Input D | VCC = 6.0 V | 5.0 | - | 5.0 | ns |
| ICC Supply Current | VCC = 5.5 V | - | - | 80 | μA |
| Tamb Ambient Temperature | - | -40 | - | 125 | °C |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it versatile for various applications.
- 3-State Outputs: Outputs can be set to high-impedance state, useful for bus-oriented applications.
- Latch Enable and Output Enable Inputs: Allows for precise control over data latching and output states.
- High Noise Immunity: Characteristic of CMOS devices, ensuring reliable operation in noisy environments.
- Low Power Dissipation: CMOS technology reduces power consumption.
- ESD Protection: HBM exceeds 2000 V and CDM exceeds 1000 V, providing robust protection against electrostatic discharge.
- Multiple Package Options: Available in SO20, TSSOP20, and DHVQFN20 packages.
- Compliance with JEDEC Standards: Meets JEDEC standards for input levels and other specifications.
Applications
- Bus-Oriented Systems: The 3-state outputs make it ideal for applications where multiple devices share a common bus.
- Digital Logic Circuits: Suitable for use in various digital logic circuits requiring data latching and output control.
- Embedded Systems: Can be used in embedded systems that require low power consumption and high noise immunity.
- Industrial Control Systems: Robust ESD protection and wide operating temperature range make it suitable for industrial environments.
Q & A
- What is the operating voltage range of the 74HC373DTR2G?
The operating voltage range is from 2.0 V to 6.0 V.
- What is the function of the Latch Enable (LE) input?
When LE is HIGH, data at the inputs enter the latches, and when LE is LOW, the latches store the information present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE.
- What is the effect of the Output Enable (OE) input?
A HIGH on OE causes the outputs to assume a high-impedance OFF-state, but it does not affect the state of the latches.
- What are the input voltage levels for the 74HC373DTR2G?
For HIGH-level input, VIH is typically 4.2 V at VCC = 6.0 V, and for LOW-level input, VIL is typically -2.8 V at VCC = 6.0 V).
- What is the maximum output current of the 74HC373DTR2G?
The maximum output current is ±35 mA).
- What is the minimum setup time for the input D to Latch Enable?
The minimum setup time is 4.0 ns at VCC = 6.0 V).
- What is the ambient temperature range for the 74HC373DTR2G?
The ambient temperature range is from -40°C to 125°C).
- Does the 74HC373DTR2G have ESD protection?
Yes, it has ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V).
- In what packages is the 74HC373DTR2G available?
The device is available in SO20, TSSOP20, and DHVQFN20 packages).
- Is the 74HC373DTR2G compliant with JEDEC standards?
Yes, it complies with JEDEC standards for input levels and other specifications).
