Overview
The SN74AHC373PWR is an octal transparent D-type latch with 3-state outputs, manufactured by Texas Instruments. This component is part of the AHC (Advanced High-Speed CMOS) logic family, known for its high speed and low power consumption. The SN74AHC373PWR is designed to operate over a wide voltage range from 2 V to 5.5 V, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | - | 5.5 | V |
| High-Level Input Voltage (VIH) | 1.5 (VCC = 2 V) | - | 3.85 (VCC = 5.5 V) | V |
| Low-Level Input Voltage (VIL) | 0.5 (VCC = 2 V) | - | 1.65 (VCC = 5.5 V) | V |
| High-Level Output Current (IOH) | -50 µA (VCC = 2 V) | - | -8 mA (VCC = 5 V) | mA |
| Propagation Delay Time (tPLH, tPHL) | 7 ns (typ), 13.5 ns (max) | - | - | ns |
| Power Dissipation Capacitance (Cpd) | - | 18 pF | - | pF |
| Junction-to-Ambient Thermal Resistance (RθJA) | - | - | 116.8 °C/W | °C/W |
Key Features
- Octal transparent D-type latches with 3-state outputs
- Wide operating voltage range: 2 V to 5.5 V
- High speed: propagation delay times as low as 7 ns
- Low power consumption
- 3-state outputs for bus-oriented applications
- ESD protection exceeds JESD 22 – 2000 (V_{ESD}) > 2000 V
Applications
- Bus-oriented systems where high-speed, low-power logic is required
- Digital circuits requiring transparent D-type latches
- Microprocessor and microcontroller systems
- Memory and peripheral interfaces
- General-purpose logic applications
Q & A
- What is the operating voltage range of the SN74AHC373PWR?
The operating voltage range is from 2 V to 5.5 V.
- What type of logic family does the SN74AHC373PWR belong to?
The SN74AHC373PWR belongs to the Advanced High-Speed CMOS (AHC) logic family.
- What is the propagation delay time of the SN74AHC373PWR?
The propagation delay time is typically 7 ns and can be up to 13.5 ns maximum.
- Does the SN74AHC373PWR have ESD protection?
- What is the junction-to-ambient thermal resistance (RθJA) of the SN74AHC373PWR?
The junction-to-ambient thermal resistance (RθJA) is 116.8 °C/W.
- What is the power dissipation capacitance (Cpd) of the SN74AHC373PWR?
The power dissipation capacitance (Cpd) is typically 18 pF.
- What are the typical applications of the SN74AHC373PWR?
Typical applications include bus-oriented systems, digital circuits requiring transparent D-type latches, microprocessor and microcontroller systems, and general-purpose logic applications.
- What is the package type of the SN74AHC373PWR?
The package type is TSSOP-20.
- Is the SN74AHC373PWR RoHS compliant?
- What is the storage temperature range for the SN74AHC373PWR?
The storage temperature range is –65°C to 150°C.
