tc74hct138af TOSHIBA Semiconductor CORPORATION, tc74hct138af Datasheet - Page 4

• Manufacturer Part Number: tc74hct138af
• Description: 3-to-8 Line Decoder
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Output transition time
Propagation delay time
(A, B, C- Y )
Propagation delay time
(G1- Y )
Propagation delay time
( 2
AC Characteristics
Output transition time
Propagation delay
time
(A, B, C- Y )
Propagation delay
time
(G1- Y )
Propagation delay
time
( 2
Input capacitance
Power dissipation
capacitance
Note:
G - Y )
G - Y )
Characteristics
C
current consumption without load.
Average operating current can be obtained by the equation:
Characteristics
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
C
t
t
t
t
t
t
C
TLH
THL
pLH
pHL
pLH
pHL
pLH
pHL
PD
PD
IN
L
L
(Note)
･V
= 15 pF, V
= 50 pF, input: t
CC
･f
IN
Symbol
+ I
t
t
t
t
t
t
t
t
TLH
THL
pLH
pHL
pLH
pHL
pLH
pHL
CC
CC
= 5 V, Ta = 25°C, input: t
Test Condition
⎯
⎯
⎯
⎯
r
= t
⎯
⎯
f
= 6 ns)
4
Test Condition
V
CC
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
⎯
⎯
⎯
⎯
(V)
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
r
= t
Ta = 25°C
TC74HCT138AP/AF/AFN
f
= 6 ns)
Typ.
21
18
19
17
22
20
55
8
7
5
Max
Min
15
14
33
30
30
27
33
30
10
⎯
⎯
⎯
⎯
⎯
Ta = − 40~85°C
Typ.
Min
17
15
17
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
4
2007-10-01
Max
Max
28
25
28
19
18
44
40
38
34
41
37
10
⎯
8
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns