Overview
The 74HC244PW/C1118, produced by NXP USA Inc. (now part of Nexperia), is an 8-bit buffer/line driver with 3-state outputs. This device is versatile and can be used as two 4-bit buffers or one 8-bit buffer. It is designed to provide high performance and reliability in various electronic systems.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | fmax (MHz) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74HC244PW | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | Low | -40 to +125 | 100 | 44.9 | TSSOP20 |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B
- Non-inverting 3-state outputs
- Two output enables (1OE and 2OE) controlling four of the 3-state outputs each
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V)
Applications
The 74HC244PW/C1118 is suitable for a variety of applications, including:
- Octal bus interfaces
- Buffering and line driving in digital systems
- Interfacing between different logic families
- General-purpose logic circuits requiring 3-state outputs
Q & A
- What is the primary function of the 74HC244PW/C1118?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs. - What are the possible configurations of the 74HC244PW/C1118?
It can be used as two 4-bit buffers or one 8-bit buffer. - What is the supply voltage range for the 74HC244PW/C1118?
The supply voltage range is from 2.0 V to 6.0 V. - What are the logic switching levels for the 74HC244PW/C1118?
The logic switching levels are CMOS for the 74HC244PW. - What is the maximum output drive capability of the 74HC244PW/C1118?
The maximum output drive capability is ± 7.8 mA. - What is the maximum operating frequency of the 74HC244PW/C1118?
The maximum operating frequency is 36 MHz. - What are the ESD protection levels for the 74HC244PW/C1118?
The device has ESD protection exceeding 2000 V for HBM and 1000 V for CDM. - What are the temperature ranges for the 74HC244PW/C1118?
The device is specified to operate from -40 °C to +125 °C. - What package type is the 74HC244PW/C1118 available in?
The device is available in a TSSOP20 package. - Does the 74HC244PW/C1118 comply with any specific standards?
Yes, it complies with JEDEC standards: JESD8C and JESD7A.
