4-bit Bi-directional Shift Register IC - 74HC194
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4-bit Bi-directional Shift Register IC - 74HC194 The 74HC Series 74HC194 bidirectional shift register is designed to incorporate virtually all of the features a system designer may want in a shift register; they feature parallel inputs, parallel outputs, right-shift, and left-shift serial inputs, operating-mode-control inputs, and a direct overriding clear line. The register has four distinct modes of operation, namely: Parallel (broadside) load Shift right (in the direction QA toward QD) Shift left (in the direction QD toward QA) Inhibit clock (do nothing) Synchronous parallel loading is accomplished by applying the four bits of data and taking both mode control inputs, S0 and S1, HIGH. The data is loaded into the associated flip-flops and appears at the outputs after the positive transition of the clock input. During loading, serial data flow is inhibited. Shift right is accomplished synchronously with the rising edge of the clock pulse when S0 is HIGH and S1 is LOW. Serial data for this mode is entered at the shift-right data input. When S0 is LOW and S1 is HIGH, data shifts left synchronously and new data is entered at the shift-left serial input. Clocking of the flip-flop is inhibited when both mode control inputs are LOW. check out : 4-Line to 16-Line Decoder/Demultiplexer IC - 74HC154 Pinout: Pinout Of 74HC194 IC
- 4-bit bidirectional universal shift register
- Supports parallel load, shift left, shift right, and inhibit modes
- Operating voltage: 2V to 6V (5V compatible)
- Compatible with Arduino, Raspberry Pi, and other microcontrollers
- Low power CMOS technology with high noise immunity
- Asynchronous master reset (clear) function
- Bidirectional data shifting (left and right)
- Synchronous parallel loading
- Direct asynchronous clear
- Low power consumption
- High-speed operation
- Wide operating voltage range
| Supply Voltage (VCC) | 7 V |
|---|---|
| Input Voltage (VI) | 7 V |
| Operating free-air temperature range | 0°C to +70°C |
| Storage temperature range | –65°C to +150°C |
What is the operating voltage of the 74HC194 IC?
The 74HC194 operates at 2V to 6V, compatible with standard 5V TTL/CMOS logic systems.
Can the 74HC194 be used with Arduino?
Yes, the 74HC194 is fully compatible with Arduino and Raspberry Pi for shift register applications.
What are the four modes of operation?
Parallel load, shift right, shift left, and inhibit clock (do nothing) modes.
Does it support bidirectional data shifting?
Yes, it supports both left and right serial shifting with dedicated input pins.
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About 4-bit Bi-directional Shift Register IC - 74HC194 by Iotcart
Shop 74HC194 IC for shift register applications. Compatible with Arduino & Raspberry Pi. Low power CMOS logic.
Categorised under: 74HC IC Series› Integrated Circuits