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Unisonic Technologies

U74LCX74 Datasheet Preview

U74LCX74 Datasheet

LOW VOLTAGE DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP

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UNISONIC TECHNOLOGIES CO., LTD
U74LCX74
LOW VOLTAGE DUAL D-TYPE
POSITIVE EDGE-TRIGGERED
FLIP-FLOP WITH 5V TOLERANT
INPUTS
CMOS IC
DESCRIPTION
The U74LCX74 is a dual D-type flip-flop with Asynchronous Clear
and Set inputs and complementary (Q, Q ) outputs. Information at the
input is transferred to the outputs on the positive edge of the clock
pulse. After the Clock Pulse input threshold voltage has been passed,
the Data input is locked out and information present will not be
transferred to the outputs until the next rising edge of the Clock Pulse
input.
Asynchronous inputs:
LOW input to SD (Set) sets Q to HIGH level
LOW input to CD (Clear) sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD makes both Q and Q high
FEATURES
* 2.3V-3.6V VCC specifications provided
* 5V tolerant inputs
* 7.0 ns tPD max (VCC=3.3V), ICC=10μA (max.)
* Power down high impedance inputs and outputs
* ±24mA output drive (VCC=3.0V)
ORDERING INFORMATION
Ordering Number
U74LCX74G-P14-R
Package
TSSOP-14
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-999.B




Unisonic Technologies

U74LCX74 Datasheet Preview

U74LCX74 Datasheet

LOW VOLTAGE DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP

No Preview Available !

U74LCX74
PIN CONFIGURATION
CMOS IC
PIN DESCRIPTIONS
Pin Names
D1, D2
CP1, CP2
CD1, CD2
SD1, SD2
Q1, Q1 , Q2, Q2
Description
Data inputs
Clock Pulse Inputs
Direct Clear Inputs
Direct Set Inputs
Outputs
FUNCTION TABLE (each gate)
INPUT
SD CD CP D
LHXX
HLXX
L LXX
HH H
HH L
OUTPUT
QQ
HL
LH
HH
HL
LH
Function
Asynchronous Set
Asynchronous Clear
Undetermined
Load and Read Register
H H L X Q0
H=High Voltage Level; L=Low Voltage Level;
X=Immaterial; =Low-to-High Clock Transition;
Q0
Hold
Q0 ( Q0 )=Previous Q( Q ) before Low-to-High Transition of Clock
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R502-999.B



Part Number U74LCX74
Description LOW VOLTAGE DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP
Maker Unisonic Technologies
Total Page 7 Pages
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