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Document overview
- Manufacturer or author: Provided By digicamel.com
- PDF pages: 11
Technical content
Features
Wide Supply Voltage Range from 2.0V to 5.5V Sinks or sources 8mA at V CC = 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 fr om 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 Directiv e 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com for more in formation 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
Document number: DS35484 Rev. 3 - 2 2 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Pin Descriptions Pin Number Pin Name Functions
1 Q1 Parallel Data Output 1
2 Q2 Parallel Data Output 2
3 Q3 Parallel Data Output 3
4 Q4 Parallel Data Output 4
5 Q5 Parallel Data Output 5
6 Q6 Parallel Data Output 6
7 Q7 Parallel Data Output 7
8 GND Ground
9 Q7S Serial Data Output
10 SHR Shift Register Reset active low
11 SHCP Shift Register Clock Input
12 STCP Storage Register Clock Input
13 STR Storage Register Reset active low
14 DS Serial Data input
15 Q0 Parallel Data Output 0
16 Vcc Supply Voltage
R DQ CP FF0 DQ CP LATCH STAGE 0 DQ STAGES 1 TO 6 R DQ CP FF7 DQ CP LATCH STAGE 7 DS SHCP SHR STCP STR Q0 Q1 Q2 Q3 Q5Q4 Q6 Q7 R R
Document number: DS35484 Rev. 3 - 2 3 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Functional Description and Timing Diagram Control Input Output Function SHR STR SHCP STCP DS Q7S Qn L X X X X L NC Clear Shift Register X L X X X NC L Clear Storage Register H X L H or L Q6S NC Loads DS into shift register stage 0. All QS shifted H H X X NC Qs Contents of shift register moved to starge register all QS -> QN H H H or L Q6S QnS Shift Register one pulse count ahead of storage register. H=HIGH voltage state L=LOW voltage state ↑=LOW to HIGH transition X= don’t care – high or low (not floating) NC= No change SHCP DS STCP SHR STR Q7S Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.) Symbol Parameter Rating Unit ESD HBM Human Body Model ESD Protection 2 kV ESD CDM Charged Device Model ESD Protection 1 kV ESD MM Machine Model ESD Protection 200 V VCC Supply Voltage Range -0.5 to +7.0 V VI Input Voltage Range -0.5 to +7.0 V Vo Voltage applied to output in high or low state -0.3 to VCC +0.5 V IIK Input Clamp Current V I< -0.5V -20 mA IOK Output Clamp Current V O<-0.5V -20 mA IOK Output Clamp Current V O> VCC +0.5V 20 mA IO Continuous output current ±25 mA ICC Continuous current through Vcc 75 mA IGND Continuous current through GND -75 mA TJ Operating Junction Temperature -40 to +150 °C TSTG Storage Temperature -65 to +150 °C PTOT Total Power Dissipation 500 mW Notes: 4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should be within recommend values.
Document number: DS35484 Rev. 3 - 2 4 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Recommended Operating Conditions (Note 5) (@TA = +25°C, unless otherwise specified.) Symbol Parameter Conditions Min Max Unit VCC Supply Voltage 2.0 5.5 V VI Input Voltage 0 5.5 V VO Output Voltage 0 VCC V Δt/ΔV Input transition Rise or Fall Rate VCC = 3.0V to 3.6V 100 ns/V VCC = 4.5V to 5.5V 20 TA Operating Free-Air Temperature -40 +125 °C Note: 5. Unused inputs should be held at V CC or Ground. Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Symbol Parameter Test Conditions VCC TA = +25°C T A = -40°C to +85°C T A = -40°C to +125°C Unit Min Typ Max Min Max Min Max VIH High-Level Input Voltage VIL Low-Level Input Voltage VOH High-Level Output Voltage V VOL Low-Level Output Voltage IOL = 50μA 2.0V 0 0.1 0.1 0.1 V IOL = 50μA 3.0V 0 0.1 0.1 0.1 IOL = 50μA 4.5V 0 0.1 0.1 0.1 IOL = 4mA 3.0V 0.36 0.44 0.55 IOL = 8mA 4.5V 0.36 0.44 0.55 II Input Current VI = GND or 5.5V 5.5V 0.01 ± 0.1 ± 1 ± 2 μA ICC Supply Current VI = GND or VCC IO = 0 5.5V 4 40 80 μA Ci Input Capacitance Vi = VCC or GND 5.5V 3.5 10 10 10 pF
Document number: DS35484 Rev. 3 - 2 5 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Switching Characteristics Symbol / Parameter Pins Test Conditions VCC TA = +25°C -40°C to +85°C -40°C to +125°C Unit Min Typ Max Min Max Min Max fMAX Maximum Frequency SHCP or STCP Figure1 3.0V to 3.6V 80 125 70 65 MHz4.5V to 5.5V 90 70 80 70 tW Pulse Width SHCP and STCP HIGH or LOW Figure1 SHR and STR tSU Set-up Time SHCP tp tH tREC Recovery Time tPLH LOW to HIGH Propagation Delay SHCP toQ7S Figure1 CL = 15pF Figure1 CL = 50pF STCP to Qn Figure1 CL = 15pF Figure1 CL = 50pF
Document number: DS35484 Rev. 3 - 2 7 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Parameter Measurement Information VCC Inputs VM VI t r/tf 4.5V VCC 6ns VCC/2 5.0V VCC 6ns VCC/2 Voltage Waveform Pulse Duration and Recovery Time Voltage Waveform Set-up and Hold Times Voltage Waveform Propagation Delay Times Inverting and Non Inverting Outputs Notes: A. Includes test lead and test apparatus capacitance. B. All pulses are supplied at pulse repetition rate ≤ 10MHz. C. Inputs are measured separat ely one transition per measurement. D . t PLH and tPHL are the same as tPD. Figure 1 Load Circuit and Voltage Waveforms
Document number: DS35484 Rev. 3 - 2 8 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594
Ordering Information
Part Number Package Code Packaging 7” Tape and Reel (Note 6) Quantity Part Number Suffix 74AHC594S16-13 S16 SO-16 2500/Tape & Reel -13 74AHC594T16-13 T16 TSSOP-16 2500/Tape & Reel -13 Note: 6. The taping orientation is loca ted on our website at http://www.diodes.com/datasheets/ap02007.pdf Marking Information (1) SO-16, TSSOP16 Part Number Package 74AHC594S16 SO-16 74AHC594T16 TSSOP-16
Document number: DS35484 Rev. 3 - 2 9 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Package Outline Dimensions (All dimensions in mm.) Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. Package Type: SO-16 Package Type: TSSOP-16 SO-16 Dim Min Max A 1.40 1.75 A1 0.10 0.25 A2 1.30 1.50 B 0.33 0.51 C 0.19 0.25 D 9.80 10.00 E 3.80 4.00 e 1.27 Typ H 5.80 6.20 L 0.38 1.27 Θ 0 8 All Dimensions in mm TSSOP-16 Dim Min Max Typ A - 1.08 - A1 0.05 0.15 - A2 0.80 0.93 - b 0.19 0.30 - c 0.09 0.20 - D 4.90 5.10 - E 6.40 BSC E1 4.30 4.50 - e 0.65 BSC L 0.45 0.75 - L1 1.00 REF L2 0.25 BSC R 0.09 - - R1 0.09 - - X - - 1.350 Y - - 1.050 Θ 0° 8° - Θ1 5° 15° - Θ2 0° - - All Dimensions in mm D E H L B e A1 A C Detail ‘A’ Detail ‘A’ Gauge Plane PIN 1 e b E E/2 A D X Y SEE DETAIL 'A' SEATING PLANE GAUGE PLANE R L Ø0.760Depth0.050±0.02 x) C DETAIL 'A'
Document number: DS35484 Rev. 3 - 2 10 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. Package Type: SO-16 Package Type: TSSOP-16 Dimensions Value (in mm) C 1.270 X 0.670 X1 9.560 Y 1.450 Y1 6.400 Dimensions Value (in mm) C 0.650 X 0.350 X1 4.900 Y 1.400 Y1 6.800 X C Y Pin 1 Y (16x) X (16x) C
Document number: DS35484 Rev. 3 - 2 11 of 11 www.diodes.com June 2013 © Diodes Incorporated 74AHC594 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does Diodes Inco rporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose pr oducts are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability what soever in respect of any pr oducts purchased through unauthoriz ed sales channel. Should Customers purchase or use Diodes Inco rporated products for any unintended or u nauthorized application, Customers shall i ndemnify and hold Diodes Incorporated and its representativ es harmless against all claims, damages, ex penses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. This document is written in English but may be translated into mu ltiple languages for reference. Only the English version of t his document is the final and determinative format released by Diodes Incorporated. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical comp onents in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when pro perly used in accordance with in structions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for a ll legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporate d and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life suppor t devices or systems. Copyright © 2013, Diodes Incorporated www.diodes.com