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DM74165 の電気的特性と機能

DM74165のメーカーはNational Semiconductorです、この部品の機能は「8-Bit Parallel-to-Serial Converter」です。


製品の詳細 ( Datasheet PDF )

部品番号 DM74165
部品説明 8-Bit Parallel-to-Serial Converter
メーカ National Semiconductor
ロゴ National Semiconductor ロゴ 




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DM74165 Datasheet, DM74165 PDF,ピン配置, 機能
August 1989
54165 DM74165
8-Bit Parallel-to-Serial Converter
General Description
The ’165 is an 8-bit parallel load or serial-in register with
complementary outputs available from the last stage Paral-
lel inputting occurs asynchronously when the Parallel Load
(PL) input is LOW With PL HIGH serial shifting occurs on
the rising edge of the clock new data enters via the Serial
Data (DS) input The 2-input OR clock can be used to com-
bine two independent clock sources or one input can act as
an active LOW clock enable
Connection Diagram
Logic Symbol
Dual-In-Line-Package
VCC e Pin 16
GND e Pin 8
TL F 9782 – 1
Order Number 54165DMQB 54165FMQB or DM74165N
See NS Package Number J16A N16E or W16A
Pin Names
CP1 CP2
DS
PL
P0 – P7
Q7
Q7
Description
Clock Pulse Inputs (Active Rising Edge)
Serial Data Input
Asynchronous Parallel Load Input
(Active LOW)
Parallel Data Inputs
Serial Output from Last Stage
Complementary Output
TL F 9782 – 2
C1995 National Semiconductor Corporation TL F 9782
RRD-B30M115 Printed in U S A

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DM74165 pdf, ピン配列
Switching Characteristics
VCC e a5 0V TA e a25 C (See Section 1 for waveforms and load configurations)
Symbol
Parameter
CL e 15 pF
RL e 400X
Min Max
fmax
Maximum Clock Frequency
tPLH
tPHL
Propagation Delay
PL to Q7 or Q7
tPLH
tPHL
Propagation Delay
CP1 to Q7 or Q7
tPLH
tPHL
Propagation Delay
P7 to Q7
tPLH
tPHL
Propagation Delay
P7 to Q7
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time
20
31
40
24
31
17
36
27
27
Units
MHz
ns
ns
ns
ns
Functional Description
The ’165 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 clocked operation PL must be HIGH The two clock
inputs perform identically one can be used as a clock inhibit
Truth Table
CP
PL
Contents
1 2 Q0 Q1 Q2 Q3 Q4
LX
X P0 P1 P2 P3 P4
H L L DS Q0 Q1 Q2 Q3
H H L Q0 Q1 Q2 Q3 Q4
H L L DS Q0 Q1 Q2 Q3
H L H Q0 Q1 Q2 Q3 Q4
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
L e Positive Rising Edge
Logic Diagram
by applying a HIGH signal To avoid double clocking how-
ever 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 recommend-
ed setup and hold times are observed with respect to the
rising edge of the clock
Q5 Q6 Q7
Response
P5 P6 P7 Parallel Entry
Q4 Q5 Q6 Right Shift
Q5 Q6 Q7 No Change
Q4 Q5 Q6 Right Shift
Q5 Q6 Q7 No Change
TL F 9782 – 3
3


3Pages


DM74165 電子部品, 半導体
Physical Dimensions inches (millimeters) (Continued)
16-Lead Ceramic Flat Package (W)
Order Number 54165FMQB
NS Package Number W16A
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION As used herein
1 Life support devices or systems are devices or
systems which (a) are intended for surgical implant
into the body or (b) 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 a significant injury
to the user
2 A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system or to affect its safety or
effectiveness
National Semiconductor
Corporation
1111 West Bardin Road
Arlington TX 76017
Tel 1(800) 272-9959
Fax 1(800) 737-7018
National Semiconductor
Europe
Fax (a49) 0-180-530 85 86
Email cnjwge tevm2 nsc com
Deutsch Tel (a49) 0-180-530 85 85
English Tel (a49) 0-180-532 78 32
Fran ais Tel (a49) 0-180-532 93 58
Italiano Tel (a49) 0-180-534 16 80
National Semiconductor
Hong Kong Ltd
13th Floor Straight Block
Ocean Centre 5 Canton Rd
Tsimshatsui Kowloon
Hong Kong
Tel (852) 2737-1600
Fax (852) 2736-9960
National Semiconductor
Japan Ltd
Tel 81-043-299-2309
Fax 81-043-299-2408
National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications

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