tc74hc237af TOSHIBA Semiconductor CORPORATION, tc74hc237af Datasheet - Page 5

• Manufacturer Part Number: tc74hc237af
• Description: 3-to-8 Line Decoder/latch
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Output transition time
Propagation delay time
(G1-Y)
Propagation delay time
( 2
Propagation delay time
( GL -Y)
Propagation delay time
(A, B, C-Y)
AC Characteristics
Output transition time
Propagation delay
time
(G1-Y)
Propagation delay
time
( 2
Propagation delay
time
( GL -Y)
Propagation delay
time
(A, B, C-Y)
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
t
t
C
TLH
THL
pLH
pHL
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
t
t
TLH
THL
pLH
pHL
pLH
pHL
pLH
pHL
pLH
pHL
CC
CC
= 5 V, Ta = 25°C, input: t
Test Condition
⎯
⎯
⎯
⎯
⎯
r
= t
⎯
⎯
f
= 6 ns)
5
Test Condition
V
CC
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
⎯
⎯
⎯
⎯
⎯
(V)
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
r
= t
Ta = 25°C
f
= 6 ns)
Typ.
30
45
15
13
45
15
13
65
21
18
60
19
16
52
8
7
5
Max
TC74HC237AP/AF
Min
140
140
190
180
75
15
13
28
24
28
24
38
32
36
31
10
⎯
⎯
⎯
⎯
⎯
⎯
Ta = − 40~85°C
Typ.
Min
12
12
17
15
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
4
2007-10-01
Max
Max
175
175
240
225
24
24
33
31
95
19
16
35
30
35
30
48
41
45
38
10
⎯
8
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns