Overview
The 74HC595PW/C4118, produced by NXP USA Inc., is an 8-bit serial-in, serial or parallel-out shift register with a storage register and 3-state outputs. This device is part of the 74HC/HCT family and is designed for high-speed CMOS logic applications. It is pin compatible with Low-power Schottky TTL (LSTTL) and complies with JEDEC standard No. 7A. The device features separate clocks for the shift and storage registers, enabling flexible data transfer and output control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (Supply Voltage) | 2.0 - 6.0 | V |
| Operating Temperature | -40°C to +125°C | °C |
| Package Type | TSSOP16 (SOT403-1) | |
| Logic Switching Levels | CMOS | |
| Output Drive Capability | ± 7.8 | mA |
| Propagation Delay (tpd) | 16 | ns |
| Maximum Frequency (fmax) | 108 | MHz |
| Number of Bits per Element | 8 | |
| 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 serial or parallel output
- Storage register with 3-state outputs
- Separate clocks for shift and storage registers
- Serial input (DS) and serial output (Q7S) for cascading
- Asynchronous reset (MR) input for all 8 shift register stages
- Output enable input (OE) to control output state
- High-speed operation with a typical shift out frequency of 100 MHz
- ESD protection: HBM and CDM compliant
- Multiple package options including TSSOP16
Applications
The 74HC595PW/C4118 is suitable for various applications requiring serial-to-parallel data conversion, such as:
- Remote control systems
- Display drivers
- LED drivers
- General-purpose serial-to-parallel data conversion
- Automotive and industrial control systems
Q & A
- What is the operating voltage range of the 74HC595PW/C4118?
The operating voltage range is 2.0 V to 6.0 V. - What is the maximum operating temperature of the 74HC595PW/C4118?
The maximum operating temperature is +125°C. - What type of logic switching levels does the 74HC595PW/C4118 use?
The device uses CMOS logic switching levels. - How many bits does the shift register have?
The shift register has 8 bits. - What is the typical shift out frequency of the 74HC595PW/C4118?
The typical shift out frequency is 100 MHz. - Does the 74HC595PW/C4118 have ESD protection?
Yes, it has ESD protection compliant with HBM and CDM standards. - What is the purpose of the OE input?
The OE (Output Enable) input controls the output state, setting it to high-impedance OFF-state when HIGH. - Can the 74HC595PW/C4118 be cascaded?
Yes, it can be cascaded using the serial input (DS) and serial output (Q7S). - What is the effect of the asynchronous reset (MR) input?
The asynchronous reset (MR) input resets all 8 shift register stages when set to LOW. - Is the 74HC595PW/C4118 RoHS compliant?
Yes, the device is RoHS compliant.
