tc74hc238af TOSHIBA Semiconductor CORPORATION, tc74hc238af Datasheet - Page 5

• Manufacturer Part Number: tc74hc238af
• 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
(G, G -Y)
Input capacitance
Power dissipation
capacitance
Note:
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
t
t
C
t
t
t
t
C
TLH
THL
pLH
pHL
pLH
pHL
PD
PD
IN
L
(Note)
･V
= 50 pF, input: t
CC
･f
IN
+ I
CC
Test Condition
⎯
⎯
⎯
r
= t
⎯
⎯
f
= 6 ns)
5
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
CC
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
Typ.
30
50
17
15
50
17
15
53
8
7
5
Max
150
150
TC74HC238AP/AF
75
15
13
30
26
30
26
10
⎯
Ta = − 40~85°C
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
2007-10-01
Max
190
190
95
19
16
38
32
38
32
10
⎯
Unit
pF
pF
ns
ns
ns