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What is 74HC164?

This electronic component, produced by the manufacturer "Diodes", performs the same function as "8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS".


74HC164 Datasheet PDF - Diodes

Part Number 74HC164
Description 8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS
Manufacturers Diodes　
Logo Diodes Logo　


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74HC164
8-BIT PARALLEL-OUT SERIAL SHIFT RE4G0I0STERS
Description
The 74HC164 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.
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
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.
Features
Wide Supply Voltage Range from 2.0V to 6.0V
Sinks or Sources 4mA 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 ROM
TV, DVD, DVR, Set-Top Box
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
74HC164
Document number: DS36279 Rev. 2- 2
1 of 10
www.diodes.com
March 2015
© Diodes Incorporated

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74HC164 equivalent
Switching Characteristics
Symbol /
Parameter
fMAX
Maximum
Frequency
tW
Pulse Width
Pins
CP
CP
HIGH or
LOW
R LOW
Test
Conditions
Figure 1
Figure 1
Figure 1
VCC
2.0 V
4.5 V
5.0 V
6.0 V
2.0 V
4.5 V
6.0 V
2.0 V
4.5 V
6.0 V
tSU DSA or
Set-up Time DSB to CP
Figure 1
tH
Hold Time
DSA or
DSB to CP
Figure 1
tPD
Propagation
Delay
CP to Qn
Figure 1
trec
Recovery Time
R to CP
tPHL
HIGH to LOW
Propagation
Delay
R to Qn
Figure 1
tT
Transition
Time
All signals
Figure 1
2.0 V
4.5 V
6.0 V
2.0 V
4.5 V
6.0 V
2.0 V
4.5 V
5.0 V
6.0 V
2.0 V
4.5 V
6.0 V
2.0 V
4.5 V
5.0 V
6.0 V
2.0 V
4.5 V
6.0 V
TA = +25°C
Min Typ. Max
6 23
30 71
78
35 85
80 14
16 5
14 4
60 17
12 6
10 5
60 8
12 3
10 2
4 -6
4 -2
4 -2
41 170
15 34
12
12 29
60 17
12 6
10 5
39 140
14 28
11
11 24
19 75
7 15
6 13
74HC164
400
-40°C to +85°C
Min Max
5
24

28
100
20
17
75
15
-40°C to +125°C
Min Max
4
20

24
120
24
20
90
18
Unit
MHz
ns
ns
13 15
75 90
15 18 ns
13 15
4 4
4 4 ns
4 4
215 255
43 51
 
ns
37 43
75 90
15 18 ns
13 15
175 210
35 42
ns
 
30 36
95 110
19 22 ns
16 19
Operating Characteristics (@TA = +25°C, unless otherwise specified.)
Parameter
Test Conditions
Cpd
Power Dissipation Capacitance per
Gate
f = 1 MHz
CI
Input Capacitance
VI = VCC – or GND
VCC = 6V
Typ
40
3.5
Unit
pF
pF
74HC164
Document number: DS36279 Rev. 2- 2
5 of 10
www.diodes.com
March 2015
© Diodes Incorporated


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