Overview
The SN74LV165APWRE4, manufactured by Texas Instruments, is a parallel-load, 8-bit shift register designed for operation within a voltage range of 2 V to 5.5 V. This device is part of the 74LV series and is housed in a 16-pin TSSOP package. It features a clock-inhibit function and a complemented serial output, making it versatile for various digital circuit applications. The SN74LV165APWRE4 is fully specified for partial-power-down applications, utilizing Ioff circuitry to prevent damaging current backflow when powered down.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature Range | -40°C to 125°C |
| Voltage - Supply | 2 V to 5.5 V |
| Maximum tpd at 5 V | 10.5 ns |
| Logic Type | Shift Register |
| Output Type | Complementary |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Function | Parallel or Serial to Serial |
| Mounting Type | Surface Mount |
| RoHS Compliance | Yes |
Key Features
- VCC operation of 2 V to 5.5 V
- Maximum propagation delay (tpd) of 10.5 ns at 5 V
- Support for mixed-mode voltage operation on all ports
- Ioff supports partial-power-down mode operation
- Latch-up performance exceeds 250 mA per JESD 17
- Clock-inhibit function and complemented serial output
- Parallel-in access to each stage enabled by a low level at the shift/load (SH/LD) input
Applications
The SN74LV165APWRE4 is suitable for a variety of applications, including:
- Increasing the number of inputs on a microcontroller
- Serial data transmission and reception in digital systems
- Buffering and shifting data in parallel-in serial-out configurations
- Partial-power-down applications where power conservation is critical
Q & A
- What is the voltage range for the SN74LV165APWRE4?
The SN74LV165APWRE4 operates within a voltage range of 2 V to 5.5 V.
- What is the maximum propagation delay at 5 V for the SN74LV165APWRE4?
The maximum propagation delay (tpd) at 5 V is 10.5 ns.
- What type of package does the SN74LV165APWRE4 come in?
The SN74LV165APWRE4 is housed in a 16-pin TSSOP package.
- Does the SN74LV165APWRE4 support partial-power-down mode?
Yes, the SN74LV165APWRE4 supports partial-power-down mode using Ioff circuitry.
- What is the operating temperature range for the SN74LV165APWRE4?
The operating temperature range is -40°C to 125°C.
- Is the SN74LV165APWRE4 RoHS compliant?
Yes, the SN74LV165APWRE4 is RoHS compliant.
- What is the function of the clock-inhibit feature in the SN74LV165APWRE4?
The clock-inhibit feature allows for the inhibition of the clock signal, which can be useful in certain digital circuit designs.
- How does the Ioff circuitry work in the SN74LV165APWRE4?
The Ioff circuitry disables the outputs when the device is powered down, preventing damaging current backflow.
- What are some common applications for the SN74LV165APWRE4?
Common applications include increasing the number of inputs on a microcontroller, serial data transmission, and partial-power-down applications.
- Does the SN74LV165APWRE4 support mixed-mode voltage operation?
Yes, the SN74LV165APWRE4 supports mixed-mode voltage operation on all ports.
- What is the latch-up performance of the SN74LV165APWRE4?
The latch-up performance exceeds 250 mA per JESD 17.
