Overview
The SN74LV8151PWRE4 is a 10-bit universal Schmitt-trigger buffer with 3-state outputs, designed and manufactured by Texas Instruments. This device is optimized for operation over a wide voltage range of 2 V to 5.5 V, making it versatile for various digital logic applications. The SN74LV8151 features a logic control (T/C) pin that allows users to configure the outputs as either noninverting or inverting, providing flexibility in logic operations. The device also includes output-enable (OE) inputs that control the high-impedance state of the outputs, which is crucial for preventing current backflow during power-down scenarios.
Key Specifications
| Specification | Value |
|---|---|
| Voltage Supply (VCC) | 2 V to 5.5 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 24-TSSOP (0.173", 4.40mm) |
| Number of Pins | 24 |
| Maximum Propagation Delay (tpd) at 5 V | 15 ns |
| Output Ground Bounce (VOLP) at VCC = 3.3 V, TA = 25°C | < 0.8 V |
| Output Undershoot (VOHV) at VCC = 3.3 V, TA = 25°C | > 2.3 V |
Key Features
- 2-V to 5.5-V VCC operation
- Maximum propagation delay of 15 ns at 5 V
- Schmitt-trigger inputs allow for slow input rise/fall time
- Polarity control for Y outputs selects true or complementary logic
- Typical output ground bounce and undershoot values for stable operation
- Supports partial-power-down mode operation using Ioff
- Supports mixed-mode voltage operation on all ports
- Latch-up performance exceeds 250 mA per JESD 17
- ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model)
Applications
The SN74LV8151PWRE4 is suitable for a variety of digital logic applications where signal buffering and level translation are required. It is particularly useful in systems that need to handle slow input rise/fall times and require flexible logic output configurations. Common applications include data transmission systems, digital signal processing, and mixed-voltage logic circuits.
Q & A
- What is the voltage supply range for the SN74LV8151PWRE4?
The voltage supply range is 2 V to 5.5 V. - What is the maximum propagation delay at 5 V?
The maximum propagation delay is 15 ns. - What type of inputs does the SN74LV8151PWRE4 have?
The device has Schmitt-trigger inputs. - How can the polarity of the Y outputs be controlled?
The polarity can be controlled using the logic control (T/C) pin. - What is the purpose of the output-enable (OE) input?
The OE input controls the high-impedance state of the outputs. - Does the SN74LV8151PWRE4 support partial-power-down mode operation?
Yes, it supports partial-power-down mode operation using Ioff. - What are the ESD protection specifications for this device?
The device exceeds JESD 22 standards with 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model. - What is the operating temperature range for the SN74LV8151PWRE4?
The operating temperature range is -40°C to 85°C. - What type of package does the SN74LV8151PWRE4 come in?
The device comes in a 24-TSSOP package. - How many pins does the SN74LV8151PWRE4 have?
The device has 24 pins.
