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8-bit Serial to Parallel Shift Register IC - 74HC595
8-bit Serial to Parallel Shift Register IC - 74HC595
The 74HC Series 74HC595 high-speed shift register utilizes advanced silicon-gate CMOS technology. This device possesses the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. This device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has 8 3-STATE outputs. Separate clocks are provided for both the shift register and the storage register.
The shift register has a direct-overriding clear, serial input, and serial output (standard) pins for cascading. Both the shift register and storage register use positive-edge triggered clocks. If both clocks are connected together, the shift register state will always be one clock pulse ahead of the storage register. The 74HC logic family is speed, function, and pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and the ground.
Pinout:
Package Includes:
- 1 x IC - 74HC595
Specifications:
| Supply Voltage (VCC | − 0.5 to + 7.0V |
| Input Voltage (VIN) | −1.5V to VCC + 1.5V |
| Output Voltage (VOUT) | − 0.5 to VCC + 0.5V |
| Clamp Diode Current (IIK, IOK) | ± 20 mA |
| DC Output Current, per pin (IOUT) | ± 35 mA |
| DC VCC or GND Current, per pin (ICC) | ± 70 mA |
| Storage Temperature Range (TSTG) | − 65°C to + 150°C |
| Power Dissipation (PD) (Note 4) | 600 mW |
| S.O. Package only | 500 mW |
| Lead Temperature (TL) (Soldering 10 seconds) | 260°C |
ADDITIONAL RESOURCES
1.What is 74HC595 used for?
- The 74HC595 is an 8-bit shift register with output latches that is commonly used in digital circuits to control and store the state of multiple digital outputs from a microcontroller or other digital device using a small number of control pins. The integrated circuit can be used to control LEDs, relays, motors, and other devices that need a digital output. Multiple outputs can be controlled by a shift register using only three control pins: a data pin, a clock pin, and a latch pin. This makes better use of I/O pins and simplifies the overall circuit design.
2.Is 74HC595 a microcontroller?
- No, the 74HC595 integrated circuit is not a microcontroller. It's a straightforward digital circuit component that functions as an 8-bit shift register with output latches. While it can be used to control digital outputs in conjunction with a microcontroller, it lacks the computational capabilities and programming flexibility of a microcontroller.
