Overview
The MC74HC595AFL2, produced by onsemi, is a high-performance silicon-gate CMOS integrated circuit that combines an 8-bit serial-input shift register and an 8-bit D-type latch with three-state parallel outputs. This device is designed to accept serial data and provide both serial and parallel outputs, making it versatile for various digital circuit applications. It features independent clock inputs for the shift register and latch, as well as an asynchronous reset for the shift register. The MC74HC595AFL2 is compatible with Standard CMOS and TTL outputs, making it suitable for interfacing with microprocessors and microcontrollers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | –0.5 to +6.5 | V |
| DC Input Voltage (VIN) | –0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | –0.5 to VCC + 0.5 | V |
| DC Input Current, per Pin (IIN) | ±20 | mA |
| DC Output Current, per Pin (IOUT) | ±35 | mA |
| DC Supply Current, VCC and GND Pins (ICC) | ±75 | mA |
| Storage Temperature (TSTG) | –65 to +150 | °C |
| Lead Temperature, 1 mm from Case for 10 Seconds (TL) | 260 | °C |
| Maximum Clock Frequency (50% Duty Cycle) at VCC = 2.0V, 3.0V, 4.5V, 6.0V | 6.0, 10, 24, 35 | MHz |
| Maximum Propagation Delay, Shift Clock to SQH at VCC = 2.0V, 3.0V, 4.5V, 6.0V | 140, 100, 28, 24 | ns |
Key Features
- Output Drive Capability: 15 LSTTL Loads
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Operating Voltage Range: 2.0 to 6.0 V
- Low Input Current: 1.0 μA
- High Noise Immunity Characteristic of CMOS Devices
- In Compliance with the Requirements Defined by JEDEC Standard No. 7 A
- Independent Clock Inputs for Shift Register and Latch
- Asynchronous Reset for the Shift Register
Applications
The MC74HC595AFL2 is widely used in various digital circuit applications, including:
- Microprocessor and Microcontroller Interfaces
- Display Drivers
- LED Drivers
- Serial-to-Parallel Data Conversion
- Buffering and Latching Applications
Q & A
- What is the primary function of the MC74HC595AFL2?
The primary function is to act as an 8-bit serial-input shift register and an 8-bit D-type latch with three-state parallel outputs. - What is the operating voltage range of the MC74HC595AFL2?
The operating voltage range is from 2.0 to 6.0 V. - How many LSTTL loads can the outputs drive?
The outputs can drive up to 15 LSTTL loads. - Is the MC74HC595AFL2 compatible with TTL outputs?
Yes, with pullup resistors, the inputs are compatible with TTL outputs. - What is the maximum clock frequency at VCC = 6.0V?
The maximum clock frequency at VCC = 6.0V is 35 MHz. - What is the maximum propagation delay from shift clock to SQH at VCC = 6.0V?
The maximum propagation delay from shift clock to SQH at VCC = 6.0V is 24 ns. - Does the MC74HC595AFL2 have an asynchronous reset?
Yes, it has an asynchronous reset for the shift register. - What is the storage temperature range for the MC74HC595AFL2?
The storage temperature range is from –65 to +150°C. - Can the MC74HC595AFL2 be used in display driver applications?
Yes, it can be used in display driver applications due to its ability to provide parallel outputs. - Is the MC74HC595AFL2 compliant with any specific standards?
Yes, it is in compliance with the requirements defined by JEDEC Standard No. 7 A.
