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SN74LS165D датащи(PDF) 3 Page - ON Semiconductor

номер детали SN74LS165D
подробное описание детали  LOW POWER SCHOTTKY
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производитель  ONSEMI [ON Semiconductor]
домашняя страница  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

SN74LS165D датащи(HTML) 3 Page - ON Semiconductor

  SN74LS165D Datasheet HTML 1Page - ON Semiconductor SN74LS165D Datasheet HTML 2Page - ON Semiconductor SN74LS165D Datasheet HTML 3Page - ON Semiconductor SN74LS165D Datasheet HTML 4Page - ON Semiconductor SN74LS165D Datasheet HTML 5Page - ON Semiconductor SN74LS165D Datasheet HTML 6Page - ON Semiconductor SN74LS165D Datasheet HTML 7Page - ON Semiconductor SN74LS165D Datasheet HTML 8Page - ON Semiconductor  
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SN74LS165
http://onsemi.com
3
LOGIC DIAGRAM
PL
CP1
P4
P6
P5
P7
CP2
P3
P1
P2
P0
DS
PRESET
S
CP
R C
L
Q0
Q0
PRESET
S
CP
R C
L
Q1
Q1
PRESET
S
CP
R C
L
Q2
Q2
PRESET
S
CP
R C
L
Q3
Q3
PRESET
S
CP
R C
L
Q4
Q4
PRESET
S
CP
R C
L
Q5
Q5
PRESET
S
CP
R C
L
Q6
Q6
PRESET
S
CP
R C
L
Q7
Q7
14
1
2
6
3
4
5
11
12
10
13
15
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
7
9
FUNCTIONAL DESCRIPTION
The SN74LS165 contains eight clocked master/slave RS
flip-flops connected as a shift register, with auxiliary gating
to provide overriding asynchronous parallel entry. Parallel
data enters when the PL signal is LOW. The parallel data can
change while PL is LOW, provided that the recommended
setup and hold times are observed.
For clock operation, PL must be HIGH. The two clock
inputs perform identically; one can be used as a clock inhibit
by applying a HIGH signal. To avoid double clocking,
however, the inhibit signal should only go HIGH while the
clock is HIGH. Otherwise, the rising inhibit signal will cause
the same response as a rising clock edge. The flip-flops are
edge-triggered for serial operations. The serial input data
can change at any time, provided only that the recommended
setup and hold times are observed, with respect to the rising
edge of the clock.
TRUTH TABLE
PL
CP
CONTENTS
RESPONSE
PL
1
2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
RESPONSE
L
X
X
P0
P1
P2
P3
P4
P5
P6
P7
Parallel Entry
H
L
DS
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Right Shift
H
H
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
No Change
H
L
DS
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Right Shift
H
H
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
No Change
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial


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