Overview
The 74HCT373PW,118 is an octal D-type transparent latch with 3-state outputs, manufactured by NXP Semiconductors. This integrated circuit is part of the 74HCT logic family and is designed for use in various electronic systems. It features latch enable (LE) and output enable (OE) inputs, allowing for flexible control over data storage and output states. The device operates within a wide supply voltage range from 2.0 V to 6.0 V, making it versatile for different application environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC | 4.5 - 5.5 | V |
| Logic Switching Levels | TTL | - |
| Output Drive Capability | ± 6 | mA |
| Propagation Delay (tpd) | 14 (typical at VCC = 5 V) | ns |
| Power Dissipation | Low | - |
| Operating Temperature Range | -40 °C to +125 °C | °C |
| Package Type | TSSOP20 (SOT360-1) | - |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V | - |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it suitable for a variety of applications.
- CMOS Low Power Dissipation: Low power consumption, which is beneficial for energy-efficient designs.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- 3-State Non-Inverting Outputs: Suitable for bus-oriented applications.
- Common 3-State Output Enable Input: Allows for easy control of output states.
- ESD Protection: High ESD protection levels (HBM and CDM) to safeguard against electrostatic discharge.
- Multiple Package Options: Available in various packages, including TSSOP20.
Applications
The 74HCT373PW,118 is used in a wide range of electronic systems where high-speed data buffering is required. Some key applications include:
- Data Storage Systems: For temporary storage and retrieval of data.
- Communication Systems: To manage and buffer data during transmission.
- Data Management Systems: For efficient handling and processing of data.
- Automotive and Industrial Systems: Due to its robustness and reliability in harsh environments.
- Consumer and Mobile Devices: Where low power consumption and high-speed operation are critical.
Q & A
- What is the primary function of the 74HCT373PW,118?
The primary function is to act as an octal D-type transparent latch with 3-state outputs, enabling data storage and output control.
- What is the supply voltage range for the 74HCT373PW,118?
The device operates within a supply voltage range of 2.0 V to 6.0 V.
- What are the logic switching levels for the 74HCT373PW,118?
The logic switching levels are TTL (Transistor-Transistor Logic) compatible.
- What is the typical propagation delay for the 74HCT373PW,118?
The typical propagation delay is around 14 ns at VCC = 5 V.
- What kind of ESD protection does the 74HCT373PW,118 offer?
The device offers high ESD protection, exceeding 2000 V for HBM and 1000 V for CDM.
- In what package is the 74HCT373PW,118 available?
The device is available in a TSSOP20 (SOT360-1) package.
- What are some common applications for the 74HCT373PW,118?
Common applications include data storage, communication systems, data management systems, automotive, industrial, consumer, and mobile devices.
- How does the latch enable (LE) input function?
The latch enable (LE) input allows data at the inputs to enter the latches when LE is HIGH, and stores the information when LE is LOW.
- What is the effect of the output enable (OE) input?
A HIGH on the OE input causes the outputs to assume a high-impedance OFF-state without affecting the state of the latches.
- Does the 74HCT373PW,118 comply with any industry standards?
Yes, it complies with JEDEC standards, including JESD8-5A for TTL logic levels.
