tc74hct157af TOSHIBA Semiconductor CORPORATION, tc74hct157af Datasheet - Page 4

• Manufacturer Part Number: tc74hct157af
• Description: Quad 2-channel Multiplexer
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Output transition time
Propagation delay
time
(A, B-Y)
Propagation delay
time
( STROBE -Y)
Propagation delay
time
(SELECT-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
t
t
C
TLH
THL
pLH
pHL
pLH
pHL
pLH
pHL
PD
PD
IN
L
(Note)
･V
= 50 pF, input: t
CC
･f
IN
+ I
CC
/4 (per bit)
Test Condition
⎯
⎯
⎯
⎯
r
= t
⎯
⎯
f
= 6 ns)
4
V
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
(V)
CC
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
TC74HCT157AP/AF/AFN
Typ.
23
20
23
20
25
21
59
8
7
5
Max
15
14
35
32
35
32
37
34
10
⎯
Min
Ta = − 40 to
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
85°C
2007-10-01
Max
19
18
44
40
44
40
46
42
10
⎯
Unit
pF
pF
ns
ns
ns
ns