tc74hct688af TOSHIBA Semiconductor CORPORATION, tc74hct688af Datasheet - Page 4

• Manufacturer Part Number: tc74hct688af
• Description: 8-bit Equality Comparator
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Output transition time
Propagation delay time
(Pn, Qn-
Propagation delay time
( G -
AC Characteristics
Output transition time
Propagation delay
time
(Pn, Qn-
Propagation delay
time
( G -
Input capacitance
Power dissipation
capacitance
Note:
Characteristics
P =
P =
Q
Q
P =
P =
C
current consumption without load.
Average operating current can be obtained by the equation:
)
)
Characteristics
PD
Q
Q
)
)
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
C
TLH
THL
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
TLH
THL
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
⎯
⎯
⎯
(V)
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
r
= t
Ta = 25°C
f
= 6 ns)
Typ.
21
18
15
13
32
8
7
5
TC74HCT688AP/AF
Max
Min
15
13
32
29
23
21
10
⎯
⎯
⎯
⎯
Ta = − 40~85°C
Typ.
Min
17
12
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
6
2007-10-01
Max
Max
12
27
19
19
16
40
36
29
26
10
⎯
Unit
Unit
pF
pF
ns
ns
ns
ns
ns
ns