Overview
The 74HCT244DB,118, produced by Nexperia USA Inc., is an octal buffer/line driver with 3-state outputs. This component is part of the 74HCT series, which combines the advantages of CMOS technology with TTL logic level compatibility. It is designed to provide robust buffering and line driving capabilities, making it suitable for a wide range of electronic systems. The device can be used as two 4-bit buffers or one 8-bit buffer, offering flexibility in design and application.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 20-SSOP (SOT339-1) |
| Supply Voltage | 4.5 V to 5.5 V |
| Operating Temperature | -40°C to 125°C |
| Output Type | 3-State, Push-Pull |
| Maximum Low Level Output Current | 6 mA |
| Maximum High Level Output Current | -6 mA |
| Logic Function | Buffer/Line Driver |
| Number of Outputs per Chip | 8 |
| Number of Output Enables per Chip | 2 |
| Logic Family | HCT |
| Maximum Quiescent Current | 8 uA |
| 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
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- Octal bus interface with 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)
- Multiple package options available
Applications
The 74HCT244DB,118 is versatile and can be used in various electronic systems that require robust buffering and line driving. It is particularly suitable for applications such as:
- Bus interfaces and data transmission lines
- High-performance electronic designs requiring low power consumption and high noise immunity
- Systems needing TTL logic level compatibility with CMOS technology advantages
- Industrial and automotive applications due to its wide operating temperature range
Q & A
- What is the primary function of the 74HCT244DB,118?
The primary function of the 74HCT244DB,118 is to act as an octal buffer/line driver with 3-state outputs.
- What is the supply voltage range for the 74HCT244DB,118?
The supply voltage range for the 74HCT244DB,118 is from 4.5 V to 5.5 V.
- What are the operating temperature limits for this component?
The operating temperature range for the 74HCT244DB,118 is from -40°C to 125°C.
- What type of logic levels does the 74HCT244DB,118 support?
The 74HCT244DB,118 supports TTL logic levels.
- How many output enables does the 74HCT244DB,118 have?
The 74HCT244DB,118 has two output enables (1OE and 2OE), each controlling four of the 3-state outputs.
- What is the maximum quiescent current of the 74HCT244DB,118?
The maximum quiescent current of the 74HCT244DB,118 is 8 uA.
- Does the 74HCT244DB,118 have ESD protection?
Yes, the 74HCT244DB,118 has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
- What package options are available for the 74HCT244DB,118?
The 74HCT244DB,118 is available in a 20-SSOP (SOT339-1) package.
- Is the 74HCT244DB,118 RoHS compliant?
Yes, the 74HCT244DB,118 is RoHS compliant.
- What are some typical applications for the 74HCT244DB,118?
Typical applications include bus interfaces, data transmission lines, and high-performance electronic designs requiring low power consumption and high noise immunity.
