Datasheet
SCES610 − OCTOBER 2004
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS
V
CC
MIN TYP MAX UNIT
V
T+
2.5 V 1.75
V
T+
Positive-going input
threshold voltage
A, B, and D inputs
3.3 V 2.31
V
Positive-going input
threshold voltage
A, B, and D inputs
5 V 3.5
V
V
T−
2.5 V 0.75
V
T−
Negative-going input
threshold voltage
A, B, and D inputs
3.3 V 0.99
V
Negative-going input
threshold voltage
A, B, and D inputs
5 V 1.5
V
∆V
T
2.5 V 0.25 1
∆V
T
Hysteresis
(V − V )
A, B, and D inputs
3.3 V 0.33 1.32
V
Hysteresis
(V
T+
− V
T−
)
A, B, and D inputs
5 V 0.5 2
V
I
OH
= −50 µA 2 V to 5.5 V V
CC
− 0.1
V
OH
I
OH
= −2 mA 2.3 V 2
V
V
OH
I
OH
= −6 mA 3 V 2.48
V
I
OH
= −12 mA 4.5 V 3.8
I
OL
= 50 µA 2 V to 5.5 V 0.1
V
OL
I
OL
= 2 mA 2.3 V 0.4
V
V
OL
I
OL
= 6 mA 3 V 0.44
V
I
OL
= 12 mA 4.5 V 0.55
I
I
V
I
= 5.5 V or GND 0 to 5.5 V ±1 µA
I
OZ
V
O
= V
CC
or GND 5.5 V ±5 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 20 µA
I
off
V
I
or V
O
= 0 to 5.5 V 0 5 µA
C
i
V
I
= V
CC
or GND
3.3 V 3
pF
C
i
V
I
= V
CC
or GND
5 V 3
pF
C
o
V
O
= V
CC
or GND
3.3 V 5
pF
C
o
V
O
= V
CC
or GND
5 V 5
pF
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V ± 0.2 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
TYP
MIN
MAX
UNIT
A or B P or N 22 1 45
t
pd
D
Y
23 1 49
ns
t
pd
T/C
Y
C
L
= 15 pF
24 1 50
ns
t
en
OE Y
C
L
= 15 pF
12 1 25 ns
t
dis
OE Y 11 1 20 ns
A or B P or N 26 1 52
t
pd
D
Y
28 1 57
ns
t
pd
T/C
Y
C
L
= 50 pF
29 1 58
ns
t
en
OE Y
C
L
= 50 pF
15 1 30 ns
t
dis
OE Y 15 1 26 ns