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| MC74LCX374_12 Datasheet, PDF (5/9 Pages) ON Semiconductor – Low-Voltage CMOS Octal D-Type Flip-Flop | |||
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MC74LCX374
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max
Units
VOLP Dynamic LOW Peak Voltage (Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
0.8
V
VOLV Dynamic LOW Valley Voltage (Note 4) VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
0.8
V
4. Number of outputs defined as ânâ. Measured with ânâ1â outputs switching from HIGHâtoâLOW or LOWâtoâHIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Condition
VCC = 3.3 V, VI = 0 V or VCC
VCC = 3.3 V, VI = 0 V or VCC
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
Typical
7
8
25
Units
pF
pF
pF
Dn
ts
CP
On
th
1.5 V
fmax
tPLH, tPHL
1.5 V
2.7 V
1.5 V
0V
2.7 V
0V
VOH
VOL
WAVEFORM 1 - PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
OE
tPZH
On
1.5 V
tPHZ
1.5V
1.5 V
tPZL
On
tPLZ
1.5V
2.7 V
0V
VCC
VOH - 0.3 V
â0V
â 3.0 V
VOL + 0.3 V
GND
WAVEFORM 2 - OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
CP
1.5 V
tw
2.7 V
1.5 V
0V
tw
CP
1.5 V
2.7 V
1.5 V
0V
WAVEFORM 3 - PULSE WIDTH
tR = tF = 2.5 ns (or fast as required) from 10% to 90%;
Output requirements: VOL ⤠0.8 V, VOH ⥠2.0 V
Figure 3. AC Waveforms
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