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| MC74LCX16244_12 Datasheet, PDF (5/7 Pages) ON Semiconductor – Low-Voltage CMOS 16-Bit Buffer | |||
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MC74LCX16244
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max
Units
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
VOLV Dynamic LOW Valley Voltage
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
â0.8
V
(Note 4)
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
â0.6
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
20
Units
pF
pF
pF
Vmi
Dn
tPHL
Vmo
On
Vmi
tPLH
Vmo
VCC
0V
VOH
VOL
OEn
tPZH
On
tPZL
On
Vmi
tPHZ
Vmo
tPLZ
Vmo
VCC
0V
VOH
VHZ
VLZ
VOL
WAVEFORM 1 â PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
WAVEFORM 2 â OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Figure 3. AC Waveforms
Table 2. AC WAVEFORMS
Symbol
Vmi
Vmo
VHZ
VLZ
3.3 V ± 0.3 V
1.5 V
1.5 V
VOL + 0.3 V
VOH â 0.3 V
VCC
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH â 0.3 V
2.5 V ± 0.2 V
VCC / 2
VCC / 2
VOL + 0.15 V
VOH â 015 V
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