74LVC595A Datasheet

Counter Shift Registers


The 74LVC595A is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. Both the shift and storage register have separate clocks.The input can be driven from either 3.3 V or 5 V devices. This feature allows the use ofthis device in a mixed 3.3 V and 5 V environment.This device is fully specified for partial Power-down applications using IOFF The IOFF circuitry disables the output, preventing the damaging backflow current through the device when it is powered down.Data is shifted on the positive-going transitions of the SHCP input. The data in the shift register is transferred to the storage register on a positive-going transition of the STCP input. If both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register.The shift register has a serial input (DS) and a serial output (Q7S) for cascading purposes. It is also provided with asynchronous reset input MR (active LOW) for all 8 shift register stages. The storage register has 8 parallel 3-state bus driver outputs. Data in the storage register appears at the output whenever the output enable input (OE) is LOW. 74LVC595A Features • 5 V tolerant inputs/outputs for interfacing with 5 V logic• Wide supply voltage range from 1.2 V to 3.6 V• CMOS low-power consumption• Direct interface with TTL levels• Balanced propagation delays• All inputs have Schmitt-trigger action• Complies with JEDEC standard JESD8-B/JESD36• ESD protection:• HBM JESD22-A114-D exceeds 2000 V• CDM JESD22-C101-C exceeds 1000 V• Specified from -40 0C to +85 0C and -40 0C to +125 0C74LVC595A Applications • Serial-to-parallel data conversion• Remote control holding register


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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