Overview
The 74LV244PW/AUJ is an 8-bit buffer/line driver with 3-state outputs, manufactured by NXP USA Inc. This device is part of the 74LV series and is designed for low-voltage applications. It can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital circuit designs. The 74LV244PW/AUJ is optimized for low power consumption and features a wide supply voltage range from 1.0 V to 5.5 V, making it suitable for a broad range of electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | 74LV244PW/AUJ |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 16mA, 16mA |
| Voltage - Supply | 1V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| 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 1.0 V to 5.5 V, making it suitable for low-voltage applications.
- CMOS low power dissipation.
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V.
- Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V; Tamb = 25 °C.
- Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V; Tamb = 25 °C.
- Complies with JEDEC standards: JESD8-7, JESD8-5, JESD8C, and JESD36.
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V.
- 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.
Applications
The 74LV244PW/AUJ is suitable for a variety of applications requiring low-voltage, high-performance buffering and line driving. These include:
- Low-power digital circuits.
- Embedded systems.
- Communication interfaces.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics.
Q & A
- What is the primary function of the 74LV244PW/AUJ?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs, which can be used as two 4-bit buffers or one 8-bit buffer.
- What is the supply voltage range for the 74LV244PW/AUJ?
The supply voltage range is from 1.0 V to 5.5 V.
- What type of outputs does the 74LV244PW/AUJ have?
The device has 3-state outputs.
- What is the operating temperature range for the 74LV244PW/AUJ?
The operating temperature range is from -40°C to 125°C.
- Does the 74LV244PW/AUJ have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V.
- What package type is the 74LV244PW/AUJ available in?
The device is available in a 20-TSSOP package.
- Can the 74LV244PW/AUJ accept TTL input levels?
Yes, it accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V.
- What is the moisture sensitivity level (MSL) of the 74LV244PW/AUJ?
The MSL is 1 (Unlimited).
- Does the 74LV244PW/AUJ have latch-up protection?
Yes, the latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- What are the typical output ground bounce and output VOH undershoot values?
Typical VOLP < 0.8 V at VCC = 3.3 V; Tamb = 25 °C, and typical VOHV > 2 V at VCC = 3.3 V; Tamb = 25 °C.
