Overview
The 74HC244D/S410118, produced by NXP USA Inc., is an 8-bit buffer/line driver IC with 3-state outputs. 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 features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for flexible control over the output states. The IC is designed to operate within a wide supply voltage range from 2.0 V to 6.0 V, making it compatible with a variety of system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 2.0 - 6.0 V |
| Logic Switching Levels | CMOS level |
| Output Drive Capability | ± 7.8 mA |
| Maximum Frequency (fmax) | 36 MHz |
| Number of Bits | 8 |
| Power Dissipation | Low power dissipation |
| Operating Temperature (Tamb) | -40°C to +125°C |
| Package | SO20 (SOT163-1) |
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
- Octal bus interface
- Non-inverting 3-state outputs
- 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)
Applications
- Motor Drivers
- LED Displays
- Servers and Telecom infrastructure
Q & A
- What is the primary function of the 74HC244D IC?
The primary function of the 74HC244D IC is to act as an 8-bit buffer or line driver with 3-state outputs. - What is the supply voltage range for the 74HC244D IC?
The supply voltage range for the 74HC244D IC is from 2.0 V to 6.0 V. - What are the logic switching levels for the 74HC244D IC?
The logic switching levels for the 74HC244D IC are CMOS level. - How many output enables does the 74HC244D IC have?
The 74HC244D IC has two output enables (1OE and 2OE). - What is the maximum frequency (fmax) of the 74HC244D IC?
The maximum frequency (fmax) of the 74HC244D IC is 36 MHz. - What is the operating temperature range for the 74HC244D IC?
The operating temperature range for the 74HC244D IC is -40°C to +125°C. - What package types are available for the 74HC244D IC?
The 74HC244D IC is available in SO20 (SOT163-1) package. - Does the 74HC244D IC have ESD protection?
Yes, the 74HC244D IC has ESD protection. - What are some common applications of the 74HC244D IC?
Common applications include motor drivers, LED displays, and servers and telecom infrastructure. - How do the output enables control the outputs of the 74HC244D IC?
The output enables (1OE and 2OE) control the outputs by setting them to a high-impedance state when the enable input is HIGH and allowing data to pass through when the enable input is LOW.
