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MC74LCX74_05 Datasheet, PDF (5/8 Pages) ON Semiconductor – Low-Voltage CMOS Dual D-Type Flip-Flop With 5 V−Tolerant Inputs
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MC74LCX74
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min
Typ
Max Unit
VOLP
Dynamic LOW Peak Voltage
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
0.8
V
(Note 4)
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.6
V
VOLV
Dynamic LOW Valley Voltage
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
−0.8
V
(Note 4)
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
−0.6
V
4. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
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
7
pF
8
pF
25
pF
Vcc
Dn
Vmi
0V
ts
th
tw
Vcc
CPn
Vmi
fmax
tPLH, tPHL
0V
VOH
On,
Vmo
On
VOL
WAVEFORM 1 − PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
SDn
CDn
On
On
Vcc
tPLH
0V
Vcc
1.5 V
0V
tPHL
Vmo
tPHL
Vmo
Vmo
tPLH
Vmo
VOL
VOH
WAVEFORM 2 − PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Figure 3. AC Waveforms
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