Overview
The 74LVT244ADB,118 is a high-performance BiCMOS octal buffer/line driver produced by NXP Semiconductors. This device is designed for operation at 3.3 V and is ideal for driving bus lines in various electronic systems. It features two output enables, each controlling four of the 3-state outputs, making it versatile for multiple applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | 2.7 | 3.6 | V | ||
| Tamb (Operating Temperature) | -40 | 85 | °C | ||
| IOL (LOW-level Output Current) | current duty cycle ≤50 %; fi ≥1 kHz | 32 mA | mA | ||
| IOL (LOW-level Output Current) | current duty cycle ≤50 %; fi ≥1 kHz | 64 mA | mA | ||
| Output Enable Time (tPLZ, tPZL) | VCC = 3.0 V to 3.6 V | 1.8 | 3.3 | 5.1 | ns |
| Propagation Delay (tPLH, tPHL) | VCC = 3.0 V to 3.6 V | 1.8 | 3.3 | 5.1 | ns |
Key Features
- Octal bus interface with 3-state buffers
- Output capability: +64 mA and −32 mA
- TTL input and output switching levels
- Input and output interface capability to systems at 5 V supply
- Bus hold data inputs eliminate the need for external pull-up resistors to hold unused inputs
- Live insertion and extraction permitted
- Power-up 3-state
- No bus current loading when output is tied to 5 V bus
- Latch-up protection
- ESD protection: HBM JESD22-A114E exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
Applications
The 74LVT244ADB,118 is suitable for a variety of applications where high-speed data transfer and reliable bus driving are required. These include:
- High-speed data transmission systems
- Bus interface applications
- Embedded systems requiring low power consumption and high performance
- Industrial control systems
- Automotive electronics
Q & A
- What is the operating voltage range of the 74LVT244ADB,118?
The operating voltage range is from 2.7 V to 3.6 V. - What is the maximum output current capability of the 74LVT244ADB,118?
The maximum output current capability is +64 mA and −32 mA. - Does the 74LVT244ADB,118 support live insertion and extraction?
Yes, it supports live insertion and extraction. - What is the propagation delay of the 74LVT244ADB,118?
The propagation delay (tPLH, tPHL) is typically 3.3 ns for VCC = 3.0 V to 3.6 V. - What kind of ESD protection does the 74LVT244ADB,118 have?
The device has ESD protection exceeding 2000 V for HBM JESD22-A114E and 200 V for MM JESD22-A115-A. - Can the 74LVT244ADB,118 be used in systems with a 5 V supply?
Yes, it has input and output interface capability to systems at 5 V supply. - What is the operating temperature range of the 74LVT244ADB,118?
The operating temperature range is from -40°C to 85°C. - Does the 74LVT244ADB,118 require external pull-up resistors for unused inputs?
No, bus hold data inputs eliminate the need for external pull-up resistors. - What type of packages are available for the 74LVT244ADB,118?
The device is available in SSOP20, TSSOP20, and DHVQFN20 packages. - What is the purpose of the output enables in the 74LVT244ADB,118?
The two output enables (1OE, 2OE) each control four of the 3-state outputs.
