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M74HC161 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - SYNCHRONOUS PRESETTABLE 4-BIT COUNTER - ST Microelectronics

भाग संख्या M74HC161
समारोह SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
मैन्युफैक्चरर्स ST Microelectronics 
लोगो ST Microelectronics लोगो 
पूर्व दर्शन
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<?=M74HC161?> डेटा पत्रक पीडीएफ

M74HC161 pdf
M74HC161
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1
CLEAR
Asynchronous Master
Reset
2
CLOCK
Clock Input (LOW to
HIGH, Edge-triggered)
3, 4, 5, 6 A, B, C, D Data Inputs
7 PE Count Enable Input
10 TE Count Enable Carry Input
9 LOAD Parallel Enable Input
14, 13, 12,
11
)15
t(s8
c16
QA to QD Flip Flop Outputs
CARRY
GND
Vcc
Terminal Count Output
Ground (0V)
Positive Supply Voltage
roduTRUTH TABLE
te PINPUTS
leCLEAR LOAD PE
TE
oL X X X
bsH L X X
OH H X L
) -H H L X
t(sH H H H
cH X X X
uX : Don’t Care
dA, B, C, D : Logic level of data inputs
roCarry : CARRY = TE·QA·QB·QC·QD
Obsolete PLOGIC DIAGRAM
CLOCK
X
QA
L
A
OUTPUTS
QB QC
LL
BC
NO CHANGE
NO CHANGE
COUNT UP
NO CHANGE
QD
L
D
FUNCTION
RESET TO "0"
PRESET DATA
NO COUNT
NO COUNT
COUNT
NO COUNT
This logic diagram has not be used to estimate propagation delays
2/12

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डाउनलोड[ M74HC161 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
M74HC160SYNCHRONOUS PRESETTABLE 4-BIT COUNTERST Microelectronics
ST Microelectronics
M74HC161SYNCHRONOUS PRESETTABLE 4-BIT COUNTERST Microelectronics
ST Microelectronics


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