Overview
The 74HCT244PW,112, produced by Nexperia USA Inc., is an octal buffer/line driver with 3-state outputs. This integrated circuit is part of the 74HCT series and is designed to operate within a wide supply voltage range from 4.5 V to 5.5 V. It can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital logic applications. However, it is important to note that the 74HCT244PW,112 is currently withdrawn and end-of-life.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HCT244PW |
| Package | TSSOP20 (SOT360-1) |
| Supply Voltage (VCC) | 4.5 - 5.5 V |
| Logic Switching Levels | TTL |
| Output Drive Capability | ± 6 mA |
| Maximum Frequency | 36 MHz |
| Number of Bits | 8 |
| Power Dissipation | Low |
| Operating Temperature Range | -40 °C to +125 °C |
| 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
- 3-State Outputs: The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for high-impedance OFF-state when nOE is HIGH.
- Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, making it compatible with various system voltages.
- CMOS Low Power Dissipation: Low power consumption, suitable for energy-efficient designs.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Input Clamp Diodes: Allows the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- Multiple Package Options: Available in various packages, including TSSOP20.
- Compliance with JEDEC Standards: Meets JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
Applications
The 74HCT244PW,112 is suitable for a wide range of applications, including:
- Automotive Systems: Due to its robustness and compliance with automotive standards.
- Industrial Control Systems: For reliable and efficient signal buffering and line driving.
- Consumer Electronics: In devices requiring low power consumption and high noise immunity.
- Computing and Mobile Devices: For interfacing and buffering digital signals.
Q & A
- What is the primary function of the 74HCT244PW,112?
The primary function is to act as an octal buffer/line driver with 3-state outputs.
- What is the supply voltage range for the 74HCT244PW,112?
The supply voltage range is from 4.5 V to 5.5 V.
- What logic switching levels does the 74HCT244PW,112 support?
The device supports TTL (Transistor-Transistor Logic) levels.
- What is the maximum frequency of operation for the 74HCT244PW,112?
The maximum frequency is 36 MHz.
- What is the output drive capability of the 74HCT244PW,112?
The output drive capability is ± 6 mA.
- Is the 74HCT244PW,112 still in production?
No, the 74HCT244PW,112 is currently withdrawn and end-of-life.
- What are the ESD protection levels for the 74HCT244PW,112?
The device exceeds 2000 V for HBM and 1000 V for CDM.
- What are the operating temperature ranges for the 74HCT244PW,112?
The operating temperature range is from -40 °C to +125 °C.
- What package options are available for the 74HCT244PW,112?
The device is available in TSSOP20 (SOT360-1) package.
- Does the 74HCT244PW,112 comply with any specific standards?
Yes, it complies with JEDEC standards JESD8C and JESD7A.
