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74LCX374 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. 74LCX374
Description  OCTAL D-TYPE FLIP FLOP NON INVERTING 3-STATE WITH 5V TOLERANT INPUTS AND OUTPUTS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74LCX374 Datasheet(HTML) 5 Page - STMicroelectronics

 
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CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Co ndi ti ons
Valu e
Un it
VCC
(V)
TA =25
oC
Mi n.
T yp.
Max.
CIN
Input Capacitance
3.3
VIN = 0 to VCC
6
pF
COUT
Output Capacitance
3.3
VIN = 0 to VCC
12
pF
CPD
Power Dissipation Capacitance (note 1)
3.3
fIN = 10MHz
VIN = 0 or VCC
32
pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. Average
operting current can be obtained by the following equation. ICC(opr) = CPD
• VCC • fIN +ICC/8 (per Flip-Flop)
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500
Ω, Input tr =tf = 2.5 ns)
Symb ol
Parameter
Test Con dition
Val ue
Un it
VCC
(V)
Waveform
-40 to 85
oC
Mi n.
Max.
tPLH
tPHL
Propagation Delay Time
2.7
1
1.5
9.5
ns
3.0 to 3.6
1.5
8.5
tPZL
tPZH
Output Enable Time to HIGH and LOW
level
2.7
2
1.5
9.5
ns
3.0 to 3.6
1.5
8.5
tPLZ
tPHZ
Output Disable Time from HIGh and
LOW level
2.7
2
1.5
8.5
ns
3.0 to 3.6
1.5
7.5
ts
Setup Time, HIGh or LOW level Dn to
CK
2.7
1
2.5
ns
3.0 to 3.6
2.5
th
Hold Time, HIGh or LOW level Dn to CK
2.7
1
1.5
ns
3.0 to 3.6
1.5
tw
CK Pulse Width, HIGH or LOW
2.7
3
3.3
ns
3.0 to 3.6
3.3
fMAX
Clock Pulse Frequency
3.0 to 3.6
1
150
MHz
tOSLH
tOSHL
Output to Output Skew Time (note 1, 2)
3.0 to 3.6
1.0
ns
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any twooutputs of the same device switching in the
same direction, either HIGH or LOW (tOSLH =|tPLHm -tPLHn|, tOSHL =|tPHLm -tpHLn|)
2) Parameter guaranteed by design
74LCX374
5/10


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