Overview
The 74HC244D-Q100,118 is an 8-bit buffer/line driver with 3-state outputs, manufactured by Nexperia USA Inc. This device can be utilized as two 4-bit buffers or as a single 8-bit buffer, making it versatile for various digital circuit applications. It is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), ensuring its suitability for automotive and other demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| VCC (V) | 2.0 - 6.0 |
| Logic Switching Levels | CMOS (74HC244), TTL (74HCT244) |
| Output Drive Capability (mA) | ± 7.8 |
| fmax (MHz) | 36 |
| Number of Bits | 8 |
| Power Dissipation | Low |
| Tamb (°C) | -40 to +125 |
| Package | SO20 (SOT163-1) |
| 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
- 3-state outputs with two output enables (1OE and 2OE) controlling four outputs each.
- Non-inverting outputs.
- CMOS low power dissipation.
- High noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- 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).
- Multiple package options, including DHVQFN with Side-Wettable Flanks for Automated Optical Inspection (AOI) of solder joints.
Applications
The 74HC244D-Q100,118 is suitable for a wide range of applications, including:
- Automotive systems, due to its AEC-Q100 (Grade 1) qualification.
- Industrial control systems.
- Consumer electronics.
- Mobile and wearable devices.
- Computing and power management systems.
Q & A
- What is the primary function of the 74HC244D-Q100,118? The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What are the logic switching levels for this device? The logic switching levels are CMOS for the 74HC244 and TTL for the 74HCT244.
- What is the output drive capability of the device? The output drive capability is ± 7.8 mA.
- What is the maximum operating frequency of the device? The maximum operating frequency is 36 MHz.
- What are the temperature ranges for this device? The device operates from -40 °C to +125 °C.
- What type of ESD protection does the device have? The device has HBM and CDM ESD protection exceeding 2000 V and 1000 V respectively.
- Can the device be used in automotive applications? Yes, it is qualified to the AEC-Q100 (Grade 1) standard.
- What package options are available for this device? The device is available in SO20 (SOT163-1) and DHVQFN packages.
- What is the power dissipation characteristic of the device? The device has low power dissipation.
- Does the device comply with any specific standards? Yes, it complies with JEDEC standards JESD8C and JESD7A.
