AC Characteristics (Ta 40 to 85°C)
TC74LCX541F/FT/FK
Characteristics
Propagation delay time
Output enable time
Output disable time
Output to output skew
Symbol
Test Condition
tpLH Figure 1, Figure 2
tpHL
tpZL
tpZH
Figure 1, Figure 3
tpLZ
tpHZ
Figure 1, Figure 3
tosLH
tosHL
Min Max Unit
VCC (V)
1.8 0.15 25.0
2.5 0.2 8.5
ns
2.7
7.5
3.3 0.3 1.5
6.5
1.8 0.15 34.0
2.5 0.2 17.0
ns
2.7
9.5
3.3 0.3 1.5 8.5
1.8 0.15 32.0
2.5 0.2 16.0
ns
2.7
8.5
3.3 0.3 1.5 7.5
2.7
(Note)
ns
3.3 0.3 1.0
Note:
Parameter guaranteed by design.
(tosLH |tpLHm tpLHn|, tosHL |tpHLm tpHLn|)
Dynamic Switching Characteristics (Ta 25°C, input: tr tf 2.5 ns, CL 50 pF, RL 500 )
Characteristics
Quiet output maximum
dynamic
Quiet output minimum
dynamic
Symbol
Test Condition
VOL VOLP VIH 3.3 V, VIL 0 V
VOL |VOLV| VIH 3.3 V, VIL 0 V
Typ. Unit
VCC (V)
3.3
0.8
V
3.3
0.8
V
Capacitive Characteristics (Ta 25°C)
Characteristics
Input capacitance
Output capacitance
Power dissipation capacitance
Symbol
CIN
COUT
CPD
fIN 10 MHz
Test Condition
Typ. Unit
VCC (V)
3.3
7
pF
3.3
8
pF
(Note) 3.3
40
pF
Note:
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption.
Average operating current can be obtained by the equation:
ICC (opr) CPD · VCC · fIN ICC/8 (per bit)
5
2011-09-01