tc74ac138 TOSHIBA Semiconductor CORPORATION, tc74ac138 Datasheet - Page 5

• Manufacturer Part Number: tc74ac138
• Description: 3-to-8 Line Decoder
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Propagation delay
time
(A, B, C- Y )
Propagation delay
time
(G1- Y )
Propagation delay
time
( 2
Input capacitance
Power dissipation
capacitance
Note:
G - Y )
Characteristics
C
current consumption without load.
Average operating current can be obtained by the equation:
PD
I
is defined as the value of the internal equivalent capacitance which is calculated from the operating
CC (opr)
= C
Symbol
(C
C
t
t
t
t
t
t
C
pLH
pHL
pLH
pHL
pLH
pHL
PD
PD
IN
L
·V
= 50 pF, R
CC
·f
IN
+ I
Test Condition
CC
L
= 500 Ω, input: t
―
―
―
―
5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
V
CC
r
(Note)
= t
(V)
f
= 3 ns)
Min
―
―
―
―
―
―
―
―
Ta = 25°C
Typ.
143
8.5
6.4
7.5
6.1
8.8
7.2
5
TC74AC138P/F/FN/FT
Max
14.2
12.8
15.0
10.5
9.2
8.9
10
―
Min
1.0
1.0
1.0
1.0
1.0
1.0
Ta = −40 to
―
―
85°C
2007-10-01
16.3
10.5
14.7
10.2
17.3
12.0
Max
10
―
Unit
pF
pF
ns
ns
ns