Overview
The 74HCT165PW,112 is an 8-bit serial or parallel-in/serial-out shift register produced by NXP Semiconductors. This device is part of the 74HCT series, which operates at TTL (Transistor-Transistor Logic) levels. It is designed to handle data conversion from parallel to serial formats, making it a versatile component in digital circuit design.
The 74HCT165PW,112 features asynchronous 8-bit parallel load and synchronous serial input, making it suitable for a variety of applications requiring data serialization. The device is available in a TSSOP16 package, which is compact and suitable for modern electronic designs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.0 | 5.5 | V | |
| VI input voltage | 0 | VCC | V | ||
| VO output voltage | 0 | VCC | V | ||
| Tamb ambient temperature | -40 | 125 | °C | ||
| fmax maximum frequency | VCC = 5.0 V, CL = 15 pF | 48 | MHz | ||
| tpd propagation delay | VCC = 4.5 V | 14 | 15 | ns | |
| Output drive capability | ±4 | mA | |||
| Number of bits | 8 | ||||
| Package | TSSOP16 (SOT403-1) |
Key Features
- Asynchronous 8-bit parallel load: Data from D0 to D7 is loaded into the shift register asynchronously when the parallel load input (PL) is LOW.
- Synchronous serial input: Data enters the register serially at the DS input when PL is HIGH.
- Complementary serial outputs: The device features two complementary serial outputs (Q7 and Q7).
- Input levels: Operates at TTL logic levels for the 74HCT165 series.
- ESD protection: High ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- Operating temperature range: Specified from -40 °C to +125 °C.
- Overvoltage tolerance: Inputs are overvoltage tolerant to 15 V, enabling HIGH-to-LOW level shifting applications.
Applications
- Parallel-to-serial data conversion: Ideal for converting parallel data into a serial format, which is useful in various digital communication and data processing applications.
- Digital circuit design: Suitable for use in digital circuits requiring data serialization, such as in microcontrollers, digital signal processing, and other electronic systems.
- Level shifting applications: The overvoltage tolerance makes it suitable for HIGH-to-LOW level shifting applications.
Q & A
- What is the primary function of the 74HCT165PW,112?
The primary function is to convert 8-bit parallel data into a serial format.
- What logic level does the 74HCT165PW,112 operate at?
It operates at TTL (Transistor-Transistor Logic) levels.
- What is the maximum frequency of operation for the 74HCT165PW,112?
The maximum frequency is 48 MHz at VCC = 5.0 V and CL = 15 pF.
- What is the propagation delay of the 74HCT165PW,112?
The propagation delay is 14 to 15 ns at VCC = 4.5 V.
- What is the operating temperature range of the 74HCT165PW,112?
The operating temperature range is from -40 °C to +125 °C.
- What type of package does the 74HCT165PW,112 come in?
The device comes in a TSSOP16 (SOT403-1) package.
- Does the 74HCT165PW,112 have ESD protection?
Yes, it has high ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- Can the 74HCT165PW,112 handle overvoltage inputs?
Yes, the inputs are overvoltage tolerant to 15 V.
- What are some common applications of the 74HCT165PW,112?
Common applications include parallel-to-serial data conversion, digital circuit design, and level shifting applications.
- Is the 74HCT165PW,112 compliant with any specific standards?
Yes, it complies with JEDEC standard no. 7A.
