74HCT164 Datasheet PDF - Diodes
| Part Number | 74HCT164 | |
| Description | 8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS | |
| Manufacturers | Diodes | |
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74HCT164
8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS
Description
The 74HCT164 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
Supply Voltage Range from 4.5V to 5.5V
Sinks or Sources 4mA at VCC = 4.5V
CMOS Low Power Consumption
Schmitt Trigger Action at All Inputs
TTL Compatible
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
74HCT164
Document number: DS36280 Rev. 2 - 2
1 of 10
www.diodes.com
August 2015
© Diodes Incorporated
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74HCT164
Switching Characteristics
Symbol /
Parameter
fMAX
Maximum
Frequency
tW
Pulse Width
Pins
Test
Conditions
CP Figure 1
CP
HIGH or
LOW
LOW
Figure 1
Figure 1
tSU DSA or
Set-up Time DSB to CP
Figure 1
VCC
4.5V
5.0V
4.5V
4.5V
4.5V
tH
Hold Time
DSA or
DSB to CP
Figure 1
4.5V
trec
Recovery Time
to CP
tPD
Propagation
DtePHlaLy
HIGH to LOW
Propagation
Delay
tT
Transition
Time
CP to Qn
to Qn
All Signals
Figure 1
Figure 1
Figure 1
Figure 1
4.5V
4.5V
5.0V
4.5V
5.0V
4.5V
TA= +25°C
Min Typ. Max
27 55
-
- 61 -
18 7
-
18 10
12 6
-
-
4 -2 -
16 7
-
- 17 36
- 14
- 19 38
-
16 -
- 7 15
-40°C to +85°C
Min Max
22 -
--
-40°C to +125°C
Min Max
18 -
--
Unit
MHz
23 - 27 - ns
23 - 27 - ns
15 - 18 - ns
4 - 4 - ns
20 - 24 - ns-
- 45 - 54
ns
--
- 48 - 57
ns
- ---
- 19 - 22 ns
Operating Characteristics (TA = +25°C, unless otherwise specified.)
Parameter
Test Conditions
Cpd
Power Dissipation Capacitance per
Gate
f = 1 MHz VI = Gnd to Vcc-1.5V
CI Input Capacitance
VI = Gnd or Vcc
VCC = 6V
Typ
40
3.5
Unit
pF
pF
74HCT164
Document number: DS36280 Rev. 2 - 2
5 of 10
www.diodes.com
August 2015
© Diodes Incorporated
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74HCT164 electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74HCT164.PDF Datasheet ] | |
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