Overview
The 74HC595PW,112 is an 8-bit serial-in/serial or parallel-out shift register produced by Nexperia USA Inc. This component features a storage register and 3-state outputs, making it versatile for various digital circuit applications. It is part of the 74HC series, known for its high-speed CMOS logic.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC595PW |
| Package | 16-TSSOP (SOT403-1) |
| Supply Voltage (VCC) | 2.0 - 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 7.8 mA |
| Propagation Delay (tpd) | 16 ns |
| Maximum Frequency (fmax) | 108 MHz |
| Number of Bits | 8 |
| Operating Temperature | -40 °C to +125 °C |
| 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
- 8-bit serial input and 8-bit serial or parallel output
- Storage register with 3-state outputs
- Shift register with direct clear (asynchronous reset MR input)
- Serial input (DS) and serial output (Q7S) for cascading
- Data transferred from shift register to storage register on LOW-to-HIGH transition of STCP input
- Output enable input (OE) to control output state
- Inputs include clamp diodes for ESD protection
Applications
The 74HC595PW is widely used in various applications, including:
- Automotive systems: Due to its AEC-Q100 qualification, it is suitable for automotive environments.
- Industrial control systems: For serial-to-parallel data conversion and remote control holding registers.
- Consumer electronics: In devices requiring high-speed CMOS logic.
- Computing and power systems: For clock and timing applications.
Q & A
- What is the primary function of the 74HC595PW?
The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. - What are the operating voltage ranges for the 74HC595PW?
The operating voltage range is from 2.0 V to 6.0 V. - What is the maximum frequency of operation for the 74HC595PW?
The maximum frequency is 108 MHz. - What type of logic switching levels does the 74HC595PW use?
The 74HC595PW uses CMOS logic switching levels. - What is the propagation delay of the 74HC595PW?
The propagation delay is 16 ns. - What is the operating temperature range for the 74HC595PW?
The operating temperature range is from -40 °C to +125 °C. - Does the 74HC595PW have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V. - How does the output enable input (OE) function on the 74HC595PW?
A LOW on the OE input enables the outputs, while a HIGH causes the outputs to assume a high-impedance OFF-state. - Can the 74HC595PW be cascaded?
Yes, it can be cascaded using the serial input (DS) and serial output (Q7S). - What is the package type of the 74HC595PW?
The package type is 16-TSSOP (SOT403-1).
