Overview
The 74HC244D/S400118 is an 8-bit buffer or line driver integrated circuit (IC) produced by NXP USA Inc. This IC is part of the 74HC series and is known for its versatility and reliability in various electronic applications. It can be used as two 4-bit buffers or as a single 8-bit buffer, making it highly adaptable for different system designs. The 74HC244D/S400118 features 3-state outputs, which can be controlled by two output enable inputs, allowing for flexible control over the output states.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | 74HC244D/S400118 |
| Category | Logic - Buffers, Drivers, Receivers, Transceivers |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Output Type | 3-State |
| Number of Elements | 2 |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Logic Type | Buffer, Non-Inverting |
| Number of Bits per Element | 4 |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Octal bus interface
- 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
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V), CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V)
Applications
- Motor Drivers
- LED Displays
- Servers and Telecom infrastructure
- General-purpose buffering and line driving in digital circuits
Q & A
- What is the primary function of the 74HC244D/S400118 IC?
The primary function is to act as an 8-bit buffer or line driver with 3-state outputs. - What are the supply voltage ranges for this IC?
The supply voltage range is from 2.0 V to 6.0 V. - What is the operating temperature range of the 74HC244D/S400118?
The operating temperature range is from -40°C to 125°C. - What type of outputs does the 74HC244D/S400118 have?
The IC has non-inverting 3-state outputs. - How many output enables does the 74HC244D/S400118 have?
The IC has two output enables (1OE and 2OE). - What is the package type of the 74HC244D/S400118?
The package type is 20-SOIC (0.295", 7.50mm Width). - Is the 74HC244D/S400118 RoHS compliant?
Yes, the IC is RoHS compliant. - What are some common applications of the 74HC244D/S400118?
Common applications include motor drivers, LED displays, and servers and telecom infrastructure. - How does the output enable function work on the 74HC244D/S400118?
A HIGH on the output enable (nOE) causes the outputs to assume a high-impedance OFF-state, while a LOW allows the outputs to pass the non-inverted data. - What is the maximum output drive capability of the 74HC244D/S400118?
The maximum output drive capability is ±7.8 mA at 5 V.
