Overview
The 74LVC2244APW,112 is an 8-bit buffer/line driver with 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the LVC (Low Voltage CMOS) family and is designed to operate in a wide range of supply voltages from 1.2 V to 3.6 V. It features two output enables, each controlling four of the 3-state outputs, making it versatile for use as two 4-bit buffers or one 8-bit buffer. The device is suitable for mixed 3.3 V and 5 V environments and includes integrated 30 Ω series termination resistors, enhancing signal integrity.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74LVC2244APW |
| Orderable Part Number | 74LVC2244APW,112 |
| Package | TSSOP20 (SOT360-1) |
| Supply Voltage (VCC) | 1.2 - 3.6 V |
| Logic Switching Levels | CMOS/LVTTL |
| Output Drive Capability | ± 12 mA |
| Maximum Frequency | 175 MHz |
| Number of Bits | 8 |
| Power Dissipation Considerations | Low power consumption |
| Operating Temperature Range | -40 °C to +85 °C and -40 °C to +125 °C |
| Thermal Resistance (Rth(j-a)) | 100 K/W |
| Thermal Resistance (Rth(j-c)) | 45 K/W |
Key Features
- 8-bit buffer/line driver with 3-state outputs
- Two output enables (1OE and 2OE) controlling four outputs each
- Inputs can be driven from either 3.3 V or 5 V devices, making it suitable for mixed voltage environments
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times
- Integrated 30 Ω series termination resistors for improved signal integrity
- IOFF circuitry for partial power-down mode operation, preventing backflow current when powered down
- Overvoltage tolerant inputs up to 5.5 V
- Compliance with JEDEC standards: JESD8-7A, JESD8-5A, JESD8-C/JESD36
- 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
The 74LVC2244APW,112 is widely used across various industries due to its versatility and robust features. Key application areas include:
- Automotive systems: For reliable and efficient signal transmission in automotive electronics.
- Industrial control systems: To ensure robust and low-power signal buffering in industrial environments.
- Consumer electronics: In devices requiring mixed voltage level translation and low-power consumption.
- Mobile and wearable devices: For efficient signal buffering and low power consumption in portable electronics.
- Computing and data communication: To enhance signal integrity and reduce power consumption in computing and data communication systems.
Q & A
- What is the primary function of the 74LVC2244APW,112?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What is the operating supply voltage range for this device?
The operating supply voltage range is from 1.2 V to 3.6 V.
- Can the inputs be driven from both 3.3 V and 5 V devices?
- What is the purpose of the integrated 30 Ω series termination resistors?
The integrated 30 Ω series termination resistors are for improving signal integrity.
- What is the IOFF circuitry used for?
The IOFF circuitry is used for partial power-down mode operation, preventing backflow current when the device is powered down.
- What are the ESD protection levels for this device?
The device has ESD protection levels of HBM (exceeds 2000 V) and CDM (exceeds 1000 V).
- What are the thermal resistance values for this device?
The thermal resistance values are Rth(j-a) = 100 K/W and Rth(j-c) = 45 K/W.
- What is the maximum frequency of operation for this device?
The maximum frequency of operation is 175 MHz.
- What are the key industries where this device is commonly used?
The device is commonly used in automotive, industrial, consumer electronics, mobile, and computing applications.
- What package type is the 74LVC2244APW,112 available in?
The device is available in a TSSOP20 (SOT360-1) package.
