Overview
The 74AHC595D-Q100,118 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the 74AHC/AHCT family and is designed for high-speed applications. It features separate clocks for both the shift and storage registers, enabling flexible data transfer and storage. The device is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, due to its robust specifications and compliance with various industry standards.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Type Number | 74AHC595D-Q100 | Device type |
| Orderable Part Number | 74AHC595D-Q100,118 | Ordering code |
| Package | SOT109-1 (SO16) | Package type |
| VCC (V) | 2.0 - 5.5 | Supply voltage range |
| Logic Switching Levels | CMOS | Input logic levels |
| Output Drive Capability (mA) | ± 8 | Output current capability |
| tpd (ns) | 4.0 | Propagation delay |
| fmax (MHz) | 170 | Maximum frequency |
| Number of Bits | 8 | Number of bits in the shift register |
| Power Dissipation | Low | Power dissipation characteristics |
| Tamb (°C) | -40 to +125 | Operating temperature range |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | Electrostatic discharge protection |
Key Features
- 8-bit Serial-in/Serial or Parallel-out Shift Register: Allows for both serial and parallel data output.
- Storage Register with 3-state Outputs: Data in the storage register appears at the output when the output enable input (OE) is LOW.
- Separate Clocks: The shift and storage registers have separate clocks (SHCP and STCP), enabling one clock pulse ahead of the other if connected together.
- Asynchronous Reset (MR): A LOW on MR resets the shift register.
- Overvoltage Tolerant Inputs: Inputs are tolerant up to 5.5 V, allowing use in mixed voltage environments.
- High Noise Immunity: Features Schmitt-trigger action on all inputs.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- Multiple Package Options: Available in various packages including SO16 (SOT109-1).
- Automotive Qualification: Qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1).
Applications
- Automotive Systems: Suitable for use in automotive applications due to AEC-Q100 qualification.
- Industrial Control Systems: Used in industrial automation and control systems requiring serial-to-parallel data conversion.
- Consumer Electronics: Found in various consumer electronic devices such as remote control systems and display drivers.
- Computing and Networking: Used in computing and networking equipment for data transfer and storage.
- Wearables and Mobile Devices: Suitable for use in mobile and wearable devices due to low power consumption and compact packaging.
Q & A
- What is the primary function of the 74AHC595D-Q100,118?
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 supply voltage range for this device?
The supply voltage range is from 2.0 V to 5.5 V.
- What are the logic switching levels for the 74AHC595D-Q100,118?
The device operates with CMOS input levels.
- How does the asynchronous reset (MR) work?
A LOW on the MR input resets the shift register.
- What is the maximum frequency of operation for this device?
The maximum frequency is 170 MHz.
- What is the operating temperature range for the 74AHC595D-Q100,118?
The operating temperature range is from -40 °C to +125 °C.
- Does the device have ESD protection?
Yes, it has ESD protection exceeding 2000 V (HBM) and 1000 V (CDM).
- Is the device qualified for automotive applications?
Yes, it is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1).
- What are the package options available for this device?
The device is available in various packages, including SO16 (SOT109-1).
- How does the output enable (OE) input affect the device?
A LOW on the OE input enables the outputs, while a HIGH causes the outputs to assume a high-impedance OFF-state.
- Can the 74AHC595D-Q100,118 be used in mixed voltage environments?
Yes, the device has overvoltage tolerant inputs up to 5.5 V.
