Overview
The MC74HC595ADR2H, produced by onsemi, is an 8-bit serial-input/serial or parallel-output shift register with latched 3-state outputs. This device is part of the MC74HC595A series and is designed for high-performance silicon-gate CMOS technology. It integrates an 8-bit shift register and an 8-bit D-type latch, allowing for serial data input and both serial and parallel data output. The device is compatible with Standard CMOS and TTL outputs, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (DC Supply Voltage) | –0.5 to +6.5 | V |
| VIN (DC Input Voltage) | –0.5 to VCC + 0.5 | V |
| VOUT (DC Output Voltage) | –0.5 to VCC + 0.5 | V |
| IIN (DC Input Current, per Pin) | ±20 | mA |
| IOUT (DC Output Current, per Pin) | ±35 | mA |
| ICC (DC Supply Current, VCC and GND Pins) | ±75 | mA |
| TSTG (Storage Temperature) | –65 to +150 | °C |
| TL (Lead Temperature, 1 mm from Case for 10 Seconds) | 260 | °C |
| TJ (Junction Temperature Under Bias) | ±150 | °C |
| fmax (Maximum Clock Frequency at 50% Duty Cycle) | Up to 6.0 MHz | MHz |
| tPLH, tPHL (Maximum Propagation Delay, Shift Clock to SQH) | Up to 210 ns | ns |
Key Features
- 8-bit serial-input/serial or parallel-output shift register with latched 3-state outputs.
- High-performance silicon-gate CMOS technology.
- Independent clock inputs for shift register and latch.
- Asynchronous reset for the shift register.
- Compatible with Standard CMOS and TTL outputs.
- Wide supply voltage range from 2.0V to 6.0V.
- Sinks or sources up to 8mA at VCC = 4.5V.
- CMOS low power consumption.
- Schmitt trigger action at all inputs.
Applications
The MC74HC595ADR2H is suitable for a variety of applications, including:
- Microcontroller and microprocessor interfaces, particularly those requiring SPI serial data ports.
- LED display drivers and other display control systems.
- Industrial control systems where serial-to-parallel conversion is necessary.
- Automotive and consumer electronics requiring low power consumption and high reliability.
Q & A
- What is the primary function of the MC74HC595ADR2H?
The primary function is to act as an 8-bit serial-input/serial or parallel-output shift register with latched 3-state outputs.
- What is the voltage range for the VCC supply?
The VCC supply voltage ranges from –0.5 to +6.5 volts.
- What is the maximum clock frequency for the shift register?
The maximum clock frequency is up to 6.0 MHz at a 50% duty cycle.
- Is the device compatible with TTL outputs?
- What is the maximum propagation delay from the shift clock to the serial output?
The maximum propagation delay is up to 210 ns.
- Does the device have an asynchronous reset feature?
- What are the typical applications of the MC74HC595ADR2H?
Typical applications include microcontroller and microprocessor interfaces, LED display drivers, industrial control systems, and automotive and consumer electronics.
- What is the storage temperature range for the device?
The storage temperature range is from –65 to +150°C.
- How much current can the device sink or source at VCC = 4.5V?
The device can sink or source up to 8mA at VCC = 4.5V.
- Does the device have Schmitt trigger action at the inputs?
