Overview
The SN74HC165PW, manufactured by Texas Instruments, is a high-speed CMOS 8-bit parallel-load or serial-input shift register. This device is compatible with low-power Schottky TTL (LSTTL) and adheres to JEDEC standard no. 7A. It is designed for applications requiring efficient data shifting and parallel-to-serial conversion. The SN74HC165PW is widely used in industrial, consumer electronics, and automotive applications due to its reliability and performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Shift Register | - | CMOS |
| Number of Bits | 8 | - | - |
| Supply Voltage | 2 to 6 | V | - |
| Operating Temperature | -40 to +125 | °C | - |
| Package | TSSOP-16 | - | 5.10 x 4.50 mm |
| Output Type | Complementary | - | - |
| Propagation Delay | 16 | ns | - |
| ESD Protection | HBM: 2000V, MM: 200V | - | JESD22-A114E, JESD22-A115-A |
Key Features
- Asynchronous 8-bit parallel load for efficient data input.
- Synchronous serial input for sequential data shifting.
- Compatible with JEDEC standard no. 7A, ensuring industry compliance.
- Robust ESD protection, enhancing device durability in harsh environments.
- Wide operating temperature range, suitable for diverse applications.
Applications
The SN74HC165PW is ideal for applications requiring data shifting and serialization, such as industrial automation, consumer electronics, and automotive systems. Its ability to handle parallel-to-serial conversion makes it a valuable component in data acquisition systems, control panels, and communication devices. Additionally, its wide operating temperature range ensures reliability in extreme conditions.
Q & A
1. What is the primary function of the SN74HC165PW?
The SN74HC165PW is an 8-bit parallel-load or serial-input shift register designed for efficient data shifting and parallel-to-serial conversion.
2. What is the operating voltage range of this device?
The device operates within a supply voltage range of 2V to 6V.
3. Is the SN74HC165PW compatible with TTL logic?
Yes, it is compatible with low-power Schottky TTL (LSTTL).
4. What is the propagation delay of the SN74HC165PW?
The propagation delay is 16 ns.
5. What package does the SN74HC165PW come in?
It is available in a TSSOP-16 package with dimensions of 5.10 x 4.50 mm.
6. What is the operating temperature range of this device?
The device can operate in temperatures ranging from -40°C to +125°C.
7. Does the SN74HC165PW support ESD protection?
Yes, it provides ESD protection of 2000V (HBM) and 200V (MM).
8. Can this device be used in automotive applications?
Yes, its robust design and wide temperature range make it suitable for automotive systems.
9. What is the function of the parallel load (PL) input?
When PL is low, data from D0 to D7 is asynchronously loaded into the register.
10. How can the SN74HC165PW be used for data serialization?
By connecting the Q7 output to the DS input of the next stage, the device can be extended for parallel-to-serial conversion.
