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PDF 74AHC164 Data sheet ( Hoja de datos )
| Número de pieza | 74AHC164 | |
| Descripción | 8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS | |
| Fabricantes | Diodes | |
| Logotipo |  |
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74AHC164
8-BIT PARALLEL-OUT SERIAL SHIFT R4E0G0ISTERS
Description
The 74AHC164 is a serial input 8-bit edge-triggered shift register that
has outputs from each of eight stages.
SERIAL DATA INPUT PINS
The serial input data is entered at pin SDA or pin SDB as these are
logically ANDED. Either input could be used as an active HIGH
enable with data entry on the other pin. If a single input is desired, the
pins can be tied together or the unused input can be tied HIGH.
DATA ENTRY
Data is shifted into Q0 from the serial input pins on each LOW to
HIGH transition of the CP pin. Also during the CP edge the data is
transferred from each Qn to Qn+1. The serial data on pins DSA and
DSB must be stable before and after the CP rising edge to meet the
set-up and hold timing requirements.
RESET
When asserted LOW the Master Reset ( MR ) pin sets all Qn to LOW.
This action does not depend on the condition of serial input or clock
pins. The MR must be asserted HIGH for a recovery time before the
next CP positive edge pulse.
Pin Assignments
DSA
DSB
Q0
Q1
Q2
Q3
GND
( Top View )
1 14
2 13
3 12
4 11
5 10
69
78
Vcc
Q7
Q6
Q5
Q4
MR
CP
SO-14 / TSSOP-14 / PDIP-14
Features
Wide Supply Voltage Range from 2.0V to 5.5V
Sinks or Sources 8mA at VCC = 4.5V
CMOS Low Power Consumption
Schmitt Trigger Action at All Inputs
ESD Protection Exceeds JESD 22
200-V Machine Model (A115)
2000-V Human Body Model (A114)
Exceeds 1000-V Charged Device Model (C101)
Range of Package Options SO-14 and TSSOP-14
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
General Purpose Logic
Wide Array of Products Such as:
PCs, Networking, Notebooks, Netbooks
Computer Peripherals, Hard Drives, CD/DVD ROMs
TVs, DVDs, DVRs, Set-Top Boxes
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
<1000ppm antimony compounds.
Device ordering information is on page 7
74AHC164
Document number: DS36281 Rev. 2 - 2
1 of 11
www.diodes.com
August 2015
© Diodes Incorporated
1 page  
Electrical Characteristics (TA = +25°C, unless otherwise specified.)
Symbol
Parameter
Test
Conditions
VIH
High-Level
Input Voltage
-
VIL
Low-Level
Input Voltage
-
IOH = -50μA
IOH = -50μA
VOH
High-Level
Output Voltage
IOH = -50μA
IOH = -4.0mA
IOH = -8mA
IOL = 50μA
IOL = 50μA
VOL
Low-Level
Output Voltage
IOL = 50μA
IOL = 4mA
IOL = 8mA
II
Input Current
VI = GND or
5.5V
ICC
Supply Current VI = GND or
VCC, IO = 0A
VCC
2.0V
3.0V
5.5V
2.0V
3.0V
5.5V
2.0V
3.0V
4.5V
3.0V
4.5
2.0V
3.0V
4.5V
3.0V
4.5V
0V or
5.5V
5.5V
TA = +25°C
Min.
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.58
3.94
-
-
-
-
-
Typ.
-
-
-
-
-
-
2.0
3.0
4.5
-
-
0
0
0
0.15
0.15
Max.
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.36
0.36
- - ±0.1
- - 4.0
74AHC164
400
TA = -40°C to
+85°C
Min.
Max.
1.5 -
2.1 -
3.85 -
- 0.5
- 0.9
- 1.65
1.9 -
2.9 -
4.4 -
2.48 -
3.80 -
- 0.1
- 0.1
- 0.1
- 0.44
- 0.44
- ±1
TA = -40°C to +125°C Unit
Min.
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.40
3.70
-
-
-
-
-
Max.
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.55
0.55
V
V
V
V
- ± 2 μA
- 40 - 80 μA
74AHC164
Document number: DS36281 Rev. 2 - 2
5 of 11
www.diodes.com
August 2015
© Diodes Incorporated
5 Page 
74AHC164
400
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 reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, 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 multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components 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 properly used in accordance with instructions 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 ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all 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 systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2015, Diodes Incorporated
www.diodes.com
74AHC164
Document number: DS36281 Rev. 2 - 2
11 of 11
www.diodes.com
August 2015
© Diodes Incorporated
11 Page | ||
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| PDF Descargar | [ Datasheet 74AHC164.PDF ] | |
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