Overview
The 74HCT244PW-Q100 is an 8-bit buffer/line driver with 3-state outputs, produced by NXP USA Inc., now part of Nexperia. This device is designed to enhance the performance and density of 3-state memory address drivers and other applications requiring high-speed data transfer. It can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital circuit designs. The 74HCT244PW-Q100 is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), ensuring its reliability in automotive and other demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HCT244PW-Q100 |
| Package | TSSOP20 (SOT360-1) |
| VCC (V) | 4.5 - 5.5 |
| Logic Switching Levels | TTL |
| Output Drive Capability (mA) | ± 6 |
| fmax (MHz) | 36 |
| Number of Bits | 8 |
| Power Dissipation Considerations | Low |
| Tamb (°C) | -40 to +125 |
| 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 from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Non-inverting 3-state outputs
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
- Octal bus interface with two output enables (1OE and 2OE)
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
Applications
The 74HCT244PW-Q100 is suitable for a wide range of applications, including:
- Automotive systems, due to its AEC-Q100 (Grade 1) qualification
- Industrial control systems
- Computing and data storage systems
- Consumer electronics
- Mobile and wearable devices
Q & A
- What is the primary function of the 74HCT244PW-Q100?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs. - What are the logic switching levels for the 74HCT244PW-Q100?
The logic switching levels are TTL (Transistor-Transistor Logic). - What is the operating temperature range for the 74HCT244PW-Q100?
The operating temperature range is from -40 °C to +125 °C. - Does the 74HCT244PW-Q100 have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V. - What package options are available for the 74HCT244PW-Q100?
The device is available in a TSSOP20 (SOT360-1) package. - Is the 74HCT244PW-Q100 RoHS compliant?
Yes, the device is RoHS compliant. - What is the maximum output drive capability of the 74HCT244PW-Q100?
The maximum output drive capability is ± 6 mA. - Can the 74HCT244PW-Q100 be used in automotive applications?
Yes, it is qualified to the AEC-Q100 (Grade 1) standard, making it suitable for automotive applications. - What is the maximum frequency of operation for the 74HCT244PW-Q100?
The maximum frequency of operation is 36 MHz. - Does the 74HCT244PW-Q100 have latch-up protection?
Yes, the latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
