Overview
The 74HC595PW/AU118 is an 8-bit serial-in, serial or parallel-out shift register produced by NXP USA Inc. This integrated circuit is part of the 74HC series, known for its high-speed Si-gate CMOS technology and compatibility with Low-power Schottky TTL (LSTTL). The device is designed to handle serial-to-parallel data conversion and features a storage register with 3-state outputs, making it versatile for various applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | NXP USA Inc. | |
| Logic Type | Shift Register | |
| Output Type | Tri-State | |
| Number of Elements | 1 | |
| Number of Bits per Element | 8 | |
| Voltage - Supply | 2V ~ 6V | |
| Operating Temperature | -40°C ~ 125°C | |
| Mounting Type | Surface Mount | |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | |
| Shift Out Frequency | 100 MHz (typical) | |
| ESD Protection | HBM: exceeds 2000 V, CDM: 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)
- High-speed operation with a typical shift out frequency of 100 MHz
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Multiple package options, including TSSOP16
- Specified from -40°C to +85°C and from -40°C to +125°C
- Cascading capability through serial input (DS) and serial output (Q7S)
- Output enable input (OE) to control output states
Applications
- Serial-to-parallel data conversion
- Remote control holding register
- Expanding GPIO functionalities in microcontrollers or microprocessors
- Various applications across automotive, industrial, power, computing, consumer, mobile, and wearables industries
Q & A
- What is the primary function of the 74HC595PW/AU118?
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 is the operating voltage range of the 74HC595PW/AU118?
The operating voltage range is from 2V to 6V.
- What is the typical shift out frequency of the 74HC595PW/AU118?
The typical shift out frequency is 100 MHz.
- How does the device handle ESD protection?
The device features ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- What are the key inputs and outputs of the 74HC595PW/AU118?
The key inputs include DS (serial data), SHCP (shift register clock), STCP (storage register clock), MR (master reset), and OE (output enable). The outputs include Q0 to Q7 (parallel outputs) and Q7S (serial output).
- Can the 74HC595PW/AU118 be cascaded with other shift registers?
- What is the purpose of the OE (output enable) input?
The OE input controls the output states; when OE is LOW, the outputs are active, and when OE is HIGH, the outputs are in a high-impedance OFF-state.
- What are the common applications of the 74HC595PW/AU118?
- What is the operating temperature range of the 74HC595PW/AU118?
The operating temperature range is from -40°C to +125°C.
- What package types are available for the 74HC595PW/AU118?
The device is available in various packages, including TSSOP16.
