Datasheet
SN54AHC126, SN74AHC126
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS257L – DECEMBER 1995 – REVISED JULY 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54AHC126 SN74AHC126
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
C
L
=15
p
F
5.6* 8* 1* 9.5* 1 9.5
ns
t
PHL
A
Y
C
L
=
15
pF
5.6* 8* 1* 9.5* 1 9.5
ns
t
PZH
OE
Y
C
L
=15
p
F
5.4* 8* 1* 9.5* 1 9.5
ns
t
PZL
OE
Y
C
L
=
15
pF
5.4* 8* 1* 9.5* 1 9.5
ns
t
PHZ
OE
Y
C
L
=15
p
F
7* 9.7* 1* 11.5* 1 11.5
ns
t
PLZ
OE
Y
C
L
=
15
pF
7* 9.7* 1* 11.5* 1 11.5
ns
t
PLH
A
Y
C
L
=50
p
F
8.1 11.5 1 13 1 13
ns
t
PHL
A
Y
C
L
=
50
pF
8.1 11.5 1 13 1 13
ns
t
PZH
OE
Y
C
L
=50
p
F
7.9 11.5 1 13 1 13
ns
t
PZL
OE
Y
C
L
=
50
pF
7.9 11.5 1 13 1 13
ns
t
PHZ
OE
Y
C
L
=50
p
F
9.5 13.2 1 15 1 15
ns
t
PLZ
OE
Y
C
L
=
50
pF
9.5 13.2 1 15 1 15
ns
t
sk(o)
C
L
= 50 pF 1.5** 1.5 ns
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗
On products compliant to MIL-PRF-38535, this parameter does not apply.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54AHC126 SN74AHC126
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
C
L
=15
p
F
3.8* 5.5* 1* 6.5* 1 6.5
ns
t
PHL
A
Y
C
L
=
15
pF
3.8* 5.5* 1* 6.5* 1 6.5
ns
t
PZH
OE
Y
C
L
=15
p
F
3.6* 5.1* 1* 6* 1 6
ns
t
PZL
OE
Y
C
L
=
15
pF
3.6* 5.1* 1* 6* 1 6
ns
t
PHZ
OE
Y
C
L
=15
p
F
4.6* 6.8* 1* 8* 1 8
ns
t
PLZ
OE
Y
C
L
=
15
pF
4.6* 6.8* 1* 8* 1 8
ns
t
PLH
A
Y
C
L
=50
p
F
5.3 7.5 1 8.5 1 8.5
ns
t
PHL
A
Y
C
L
=
50
pF
5.3 7.5 1 8.5 1 8.5
ns
t
PZH
OE
Y
C
L
=50
p
F
5.1 7.1 1 8 1 8
ns
t
PZL
OE
Y
C
L
=
50
pF
5.1 7.1 1 8 1 8
ns
t
PHZ
OE
Y
C
L
=50
p
F
6.1 8.8 1 10 1 10
ns
t
PLZ
OE
Y
C
L
=
50
pF
6.1 8.8 1 10 1 10
ns
t
sk(o)
C
L
= 50 pF 1** 1 ns
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗
On products compliant to MIL-PRF-38535, this parameter does not apply.