Datasheet

SN74AHCT1G126-Q1
SINGLE BUS BUFFER GATE
WITH 3-STATE OUTPUT
SCLS505B − JUNE 2003 − REVISED FEBRUARY 2008
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX
MIN MAX UNIT
I 50 A
3 V 2.9 3 2.9
V
I
OH
= −50 mA
4.5 V 4.4 4.5 4.4
V
V
OH
I
OH
= −4 mA 3 V 2.58 2.34
V
I
OH
= −8 mA 4.5 V 3.94 3.66
V
I
OL
= 50 mA
3 V and
4.5 V
0.1 0.1
V
V
OL
I
OL
= 4 mA 3 V 0.36 0.52
V
I
OL
= 8 mA 4.5 V 0.36 0.52
I
I
V
I
= 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 mA
I
OZ
V
O
= V
CC
or GND 5.5 V ±0.25 ±2.5 mA
I
CC
V
I
= V
CC
or GND, I
O
= 0, OE high or low
3 V and
5.5 V
1 10 mA
DI
CC
†
One input at 3.4 V, Other input at V
CC
or GND 5.5 V 1.35 1.5 mA
C
i
V
I
= V
CC
or GND 5 V 4 10 10 pF
C
o
V
O
= V
CC
or GND 5 V 10 pF
†
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or V
CC
.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX
MIN MAX UNIT
t
PLH
A
Y
C 15 pF
5.6 8 12
ns
t
PHL
A Y C
L
= 15 pF
5.6 8 12
ns
t
PZH
OE
Y
C 15 pF
5.4 8 11.5
ns
t
PZL
OE
Y C
L
= 15 pF
5.4 8 11.5
ns
t
PHZ
OE
Y
C =15pF
6.5 9.7 14.5
ns
t
PLZ
OE
Y C
L
= 15 pF
6.5 9.7 14.5
ns
t
PLH
A
Y
C 50 pF
8.1 11.5 16
ns
t
PHL
A Y C
L
= 50 pF
8.1 11.5 16
ns
t
PZH
OE
Y
C 50 pF
7.9 11.5 15
ns
t
PZL
OE
Y C
L
= 50 pF
7.9 11.5 15
ns
t
PHZ
OE
Y
C =50pF
8 13.2 18
ns
t
PLZ
OE
Y C
L
= 50 pF
8 13.2 18
ns