tc74act138 TOSHIBA Semiconductor CORPORATION, tc74act138 Datasheet - Page 4

• Manufacturer Part Number: tc74act138
• Description: 3-to-8 Line Decoder
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
DC Characteristics
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
Input leakage
current
Quiescent supply
current
Note:
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
Characteristics
This spec indicates the capability of driving 50 Ω transmission lines.
One output should be tested at a time for a 10 ms maximum duration.
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)
Symbol
= C
V
Symbol
V
V
I
V
I
CC
I
OH
(C
OL
IN
C
t
t
t
t
t
t
IH
C
C
IL
pLH
pHL
pLH
pHL
pLH
pHL
PD
PD
IN
L
·V
= 50 pF, R
CC
V
= V
V
V
= V
V
V
V
Per input: V
Other input: V
·f
IN
IL
IN
IL
IN
IN
IN
IH
IH
= V
= V
+ I
or
or
CC
CC
CC
L
I
I
I
I
I
I
OH
OH
OH
OL
OL
OL
or GND
or GND
= 500 Ω, input: t
IN
Test Condition
Test Condition
―
―
―
= 50 μA
= 24 mA
= 75 mA
CC
= −50 μA
= −24 mA
= −75 mA
= 3.4 V
―
―
or GND
―
4
(Note)
(Note)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
V
CC
r
(Note)
= t
V
(V)
4.5
5.5
4.5
5.5
4.5
4.5
5.5
4.5
4.5
5.5
5.5
5.5
5.5
(V)
to
to
CC
f
= 3 ns)
3.94
Min
Min
2.0
4.4
―
―
―
―
―
―
―
―
―
―
―
―
―
Ta = 25°C
Ta = 25°C
TC74ACT138P/F/FN/FT
Typ.
Typ.
4.5
0.0
6.7
6.8
6.9
55
―
―
―
―
―
―
―
―
―
5
Max
0.36
±0.1
1.35
Max
10.1
10.5
11.0
0.8
0.1
8.0
10
―
―
―
―
―
―
3.80
3.85
Min
Min
2.0
4.4
1.0
1.0
1.0
Ta = −40 to
Ta = −40 to
―
―
―
―
―
―
―
―
―
85°C
85°C
2007-10-01
0.44
1.65
±1.0
80.0
11.5
12.0
12.5
Max
Max
0.8
0.1
1.5
10
―
―
―
―
―
Unit
Unit
mA
μA
μA
pF
pF
ns
ns
ns
V
V
V
V