Overview
The 74ABT244PW,112 is a high-performance BiCMOS octal buffer/line driver produced by NXP Semiconductors. This device is designed to combine low static and dynamic power dissipation with high speed and high output drive, making it ideal for driving bus lines in various electronic systems. The 74ABT244 can be used as two 4-bit buffers or one 8-bit buffer, offering flexibility in system design.
Key Specifications
Parameter | Conditions | Typical Unit | Min | Max |
---|---|---|---|---|
Supply Voltage (VCC) | 4.5 V | 5.5 V | ||
Propagation Delay (tPLH, tPHL) | Tamb = 25°C; GND = 0V; CL = 50pF; VCC = 5V | 2.9 ns | 1.0 ns | 4.1 ns |
Input Capacitance (CIN) | VI = 0V or VCC | 4 pF | ||
Output Capacitance (COUT) | Outputs disabled; VO = 0V or VCC | 7 pF | ||
Total Supply Current (ICCZ) | Outputs disabled; VCC = 5.5V | 50 µA | ||
Output Drive Capability | -32 mA | +64 mA | ||
Operating Temperature (Tamb) | -40°C | 85°C | ||
Package Type | 20-TSSOP (SOT360-1) |
Key Features
- Octal bus interface with 3-State buffers
- High output drive capability: +64mA/–32mA
- Latch-up protection exceeds 500mA per Jedec Std 17
- ESD protection exceeds 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model
- Power-up 3-State and live insertion capacity
- Inputs are disabled during 3-State mode
- Two Output Enables (1OE, 2OE) each controlling four of the 3-State outputs
- IOFF circuitry for partial power down applications, preventing backflow current
Applications
The 74ABT244PW,112 is versatile and can be used in a variety of applications, including:
- Driving bus lines in computer systems and peripherals
- Industrial control systems requiring high-speed data transfer
- Automotive systems where robust and reliable data transmission is critical
- Consumer electronics such as audio and video equipment
- Telecommunication devices and networks
Q & A
- What is the primary function of the 74ABT244PW,112?
The primary function of the 74ABT244PW,112 is to act as an octal buffer/line driver with 3-State outputs, suitable for driving bus lines in various electronic systems.
- What is the supply voltage range for the 74ABT244PW,112?
The supply voltage range for the 74ABT244PW,112 is from 4.5 V to 5.5 V.
- What is the output drive capability of the 74ABT244PW,112?
The output drive capability of the 74ABT244PW,112 is +64 mA and -32 mA.
- What type of package does the 74ABT244PW,112 come in?
The 74ABT244PW,112 comes in a 20-TSSOP (SOT360-1) package.
- What is the operating temperature range for the 74ABT244PW,112?
The operating temperature range for the 74ABT244PW,112 is from -40°C to 85°C.
- Does the 74ABT244PW,112 have ESD protection?
Yes, the 74ABT244PW,112 has ESD protection that exceeds 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model.
- How many output enables does the 74ABT244PW,112 have?
The 74ABT244PW,112 has two output enables (1OE and 2OE), each controlling four of the 3-State outputs.
- What is the propagation delay of the 74ABT244PW,112?
The propagation delay (tPLH, tPHL) of the 74ABT244PW,112 is typically 2.9 ns at Tamb = 25°C and VCC = 5V.
- Does the 74ABT244PW,112 support partial power down applications?
Yes, the 74ABT244PW,112 supports partial power down applications using IOFF circuitry, which prevents backflow current when the device is powered down.
- What are some common applications of the 74ABT244PW,112?
The 74ABT244PW,112 is commonly used in driving bus lines in computer systems, industrial control systems, automotive systems, consumer electronics, and telecommunication devices.