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8-bit Shift Register With 8-bit Output Register
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74HC595
8-BIT SHIFT REGISTER WITH 8-BIT OUTPUT REGISTER Description Pin Assignments The 74HC595 is an high speed CMOS device. ( Top View )
An eight bit shift register accpets data from the serial input (DS) on
each positive transition of the shift register clock (SHCP). When
asserted low the reset function (
) sets all shift register values to
zero and is indepent of all clocks.
Data from the input serial shift register is placed in the output register
with a rising pulse on the storages resister clock (STCP). With the
output enable ( E asserted low the 3-state outputs Q0-Q7 become
active and present th
All registers capture data on rising edge and change output on the
falling edge. If both clocks are connected together the input shift
register is always one clock cycle ahead of the output register. Q1 1 16 Vcc Q2 2 15 Q0 Q3 3 14 DS Q4 4 13 OE Q5 5 12 STCP Q6 6 11 SHCP Q7 7 10 MR 8 9 GND SO-16 / TSSOP-16 Features Applications Wide Supply Voltage Range from 2.0V to 6.0V Sinks or Sources 8mA at VCC = 4.5V CMOS Low Power Consumption Schmitt Trigger Action at All Inputs Inputs Accept up to 6.0V ESD Protection Tested per JESD 22
Exceeds 200-V Machine Model (A115-A) Exceeds 2000-V Human Body Model (A114-A) Exceeds 1000-V Charged Device Model (C101C) Latch-Up Exceeds 250mA per JESD 78, Class II Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: Q7S General Purpose Logic
Serial to Parallel Data Conversion
Capture and Hold Data for Extended Periods of Time
Allow Simple Serial Bit Streams from a Microcontroller to Control
as Many Peripheral Lines as Needed
Wide Array of Products such as:
Computer Peripherals
Appliances
Industrial Control 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. …