Diodes 74AHC594 Manuel d'utilisateur télécharger pdf

74AHC594

Document number: DS35484 Rev. 3 - 2

1 of 11

www.diodes.com

June 2013

74AHC594

8-BIT SHIFT REGISTER WITH 8-BIT OUTPUT REGISTER

Description

The 74AHC594 is an advanced high speed CMOS device.

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

each positive transition of the shift register clock (SHCP). When

asserted low the shift regisister reset function (SHR

) sets all shift

asserted low the storage register reset function (STR

) sets all shift

Data from the input serial shift register is placed in the output register

with a rising pulse on the storages resister clock (STCP). The

storage resister includes output Q7S which is used for cascading

information between devices. As the information moves into the

storage register, it is asserted on the push-pull outputs Q0-Q7.

All registers capture data on rising edge and change output on the

falling edge. If both clocks are connected together, the input shift

Features

 Wide Supply Voltage Range from 2.0V 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 5.5V

 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)

Pin Assignments

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:

 Computer Peripherals

 Appliances

 Industrial Control

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 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

<1000ppm antimony compounds.

Click here for ordering information, located at the end of datasheet

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Résumé du contenu

Page 1 - 74AHC594

74AHC594 Document number: DS35484 Rev. 3 - 2 1 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC5948-BIT SHIFT REGISTER WITH 8-BIT OUTPUT

Page 2

74AHC594 Document number: DS35484 Rev. 3 - 2 10 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Suggested Pad Layout Please see AP0

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74AHC594 Document number: DS35484 Rev. 3 - 2 11 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 IMPORTANT NOTICE DIODES INCORPORATE

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74AHC594 Document number: DS35484 Rev. 3 - 2 2 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Pin Descriptions Pin Number Pin Name

Page 5 - Switching Characteristics

74AHC594 Document number: DS35484 Rev. 3 - 2 3 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Functional Description and Timing Dia

Page 6 - Operating Characteristics (@T

74AHC594 Document number: DS35484 Rev. 3 - 2 4 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Recommended Operating Conditions (Not

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74AHC594 Document number: DS35484 Rev. 3 - 2 5 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Switching Characteristics Symbol / Pa

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74AHC594 Document number: DS35484 Rev. 3 - 2 6 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Switching Characteristics (cont.) Sym

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74AHC594 Document number: DS35484 Rev. 3 - 2 7 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Parameter Measurement Information

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74AHC594 Document number: DS35484 Rev. 3 - 2 8 of 11 www.diodes.com June 2013© Diodes Incorporated 74AHC594 Ordering Information Part Number

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