Diodes 74HCT595 Manuel d'utilisateur télécharger pdf

74HCT595

Document number: DS35493 Rev. 3 - 2

1 of 11

www.diodes.com

July 2013

Preliminary

74HCT595

8-BIT SHIFT REGISTER WITH 8-BIT OUTPUT REGISTER

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free,

"Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)

and <1000 ppm antimony compounds.

Click for Ordering Information

Description

The 74HCT595 is an high speed CMOS device that is designed to

be pin compatable with 74LS low power Schottky types.

An eight bit shift register accpets data from the serial input (DS)

on each positive transition of the shift register clock (STCP).

When asserted low the reset function (MR

) 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

With the output enable (OE

ሻ 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

Pin Assignments

Features

• Supply Voltage Range from 4.5V to 5.5V

• Sinks or sources 8mA at V

= 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)

Applications

• 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:

o Computer peripherals

o Appliances

o Industrial control

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Page 6 - Switching Characteristics

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Page 9 - Detail ‘A’

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