74VHCT125AFT,74VHCT126AFT
5
11.4.
11.4.
11.4.
11.4. AC Characteristics (Unless otherwise specified, T
AC Characteristics (Unless otherwise specified, T
AC Characteristics (Unless otherwise specified, T
AC Characteristics (Unless otherwise specified, T
a
a
a
a
= 25
= 25
= 25
= 25
, Input: t
, Input: t
, Input: t
, Input: t
r
r
r
r
= t
= t
= t
= t
f
f
f
f
= 3 ns)
= 3 ns)
= 3 ns)
= 3 ns)
Characteristics
Propagation delay time
3-state output enable time
3-state output disable time
Output skew
Input capacitance
Output capacitance
Power dissipation
capacitance
Part Number
74VHCT125AFT
74VHCT126AFT
Symbol
t
PLH
,t
PHL
t
PZL
,t
PZH
t
PLZ
,t
PHZ
t
osLH
,t
osHL
C
IN
C
OUT
C
PD
Note
(Note 1)
(Note 2)
Test
Condition
R
L
= 1 kΩ
R
L
= 1 kΩ
V
CC
(V)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
C
L
(pF)
15
50
15
50
50
50
Min
Typ.
3.8
5.3
3.6
5.1
6.1
4
6
14
15
Max
5.5
7.5
5.1
7.1
8.8
1.0
10
Unit
ns
ns
ns
ns
pF
pF
pF
Note 1: Parameter guaranteed by design. (t
osLH
= |t
PLH
m-t
PLH
n|, t
osHL
= |t
PHL
m-t
PHL
n|)
Note 2: C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current
consumption without load. Average operating current can be obtained by the equation.
I
CC(opr)
= C
PD
× V
CC
× f
IN
+ I
CC
/4 (per gate)
11.5.
11.5.
11.5.
11.5. AC Characteristics
AC Characteristics
AC Characteristics
AC Characteristics
(Unless otherwise specified, T
(Unless otherwise specified, T
(Unless otherwise specified, T
(Unless otherwise specified, T
a
a
a
a
= -40 to 85
= -40 to 85
= -40 to 85
= -40 to 85
, Input: t
, Input: t
, Input: t
, Input: t
r
r
r
r
= t
= t
= t
= t
f
f
f
f
= 3 ns)
= 3 ns)
= 3 ns)
= 3 ns)
Characteristics
Propagation delay time
3-state output enable time
3-state output disable time
Output skew
Input capacitance
Symbol
t
PLH
,t
PHL
t
PZL
,t
PZH
t
PLZ
,t
PHZ
t
osLH
,t
osHL
C
IN
Note
(Note 1)
Test
Condition
R
L
= 1 kΩ
R
L
= 1 kΩ
V
CC
(V)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
C
L
(pF)
15
50
15
50
50
50
Min
1.0
1.0
1.0
1.0
1.0
Max
6.5
8.5
6.0
8.0
10.0
1.0
10
Unit
ns
ns
ns
ns
pF
Note 1: Parameter guaranteed by design. (t
osLH
= |t
PLH
m-t
PLH
n|, t
osHL
= |t
PHL
m-t
PHL
n|)
11.6.
11.6.
11.6.
11.6. AC Characteristics
AC Characteristics
AC Characteristics
AC Characteristics
(Unless otherwise specified, T
(Unless otherwise specified, T
(Unless otherwise specified, T
(Unless otherwise specified, T
a
a
a
a
= -40 to 125
= -40 to 125
= -40 to 125
= -40 to 125
, Input: t
, Input: t
, Input: t
, Input: t
r
r
r
r
= t
= t
= t
= t
f
f
f
f
= 3 ns)
= 3 ns)
= 3 ns)
= 3 ns)
Characteristics
Propagation delay time
3-state output enable time
3-state output disable time
Output skew
Input capacitance
Symbol
t
PLH
,t
PHL
t
PZL
,t
PZH
t
PLZ
,t
PHZ
t
osLH
,t
osHL
C
IN
Note
(Note 1)
Test
Condition
R
L
= 1 kΩ
R
L
= 1 kΩ
V
CC
(V)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
C
L
(pF)
15
50
15
50
50
50
Min
1.0
1.0
1.0
1.0
1.0
Max
7.0
9.5
6.5
9.0
11.0
1.0
10
Unit
ns
ns
ns
ns
pF
Note 1: Parameter guaranteed by design. (t
osLH
= |t
PLH
m-t
PLH
n|, t
osHL
= |t
PHL
m-t
PHL
n|)
11.7.
11.7.
11.7.
11.7. Noise Characteristics (Unless otherwise specified, T
Noise Characteristics (Unless otherwise specified, T
Noise Characteristics (Unless otherwise specified, T
Noise Characteristics (Unless otherwise specified, T
a
a
a
a
= 25
= 25
= 25
= 25
, Input: t
, Input: t
, Input: t
, Input: t
r
r
r
r
= t
= t
= t
= t
f
f
f
f
= 3 ns)
= 3 ns)
= 3 ns)
= 3 ns)
Characteristics
Quiet output maximum dynamic V
OL
Quiet output minimum dynamic V
OL
Minimum high-level dynamic input voltage
Maximum low-level dynamic input voltage
Symbol
V
OLP
V
OLV
V
IHD
V
ILD
Test Condition
C
L
= 50 pF
C
L
= 50 pF
C
L
= 50 pF
C
L
= 50 pF
V
CC
(V)
5.0
5.0
5.0
5.0
Typ.
0.5
-0.5
Limit
0.8
-0.8
2.0
0.8
Unit
V
2017-02-22
Rev.4.0
©2017 Toshiba Corporation
