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6.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
V
T+
Positive switching threshold
2 V 0.7 1.5
V4.5 V 1.7 3.15
6 V 2.1 4.2
V
T-
Negative switching threshold
2 V 0.3 1
V
4.5 V 0.9 2.2
6 V 1.2 3
ΔV
T
Hysteresis (V
T+
- V
T-
)
2 V 0.2 1
V4.5 V 0.4 1.4
6 V 0.6 1.6
V
OH
High-level output voltage V
I
= V
IH
or V
IL
I
OH
= -20 µA 2 V to 6 V V
CC
– 0.1 V
CC
– 0.002
VI
OH
= -6 mA 4.5 V 4 4.3
I
OH
= -7.8 mA 6 V 5.4 5.75
V
OL
Low-level output voltage V
I
= V
IH
or V
IL
I
OL
= 20 µA 2 V to 6 V 0.002 0.1
VI
OL
= 6 mA 4.5 V 0.18 0.3
I
OL
= 7.8 mA 6 V 0.22 0.33
I
I
Input leakage current V
I
= V
CC
or 0 6 V ±100 ±1000 nA
I
OZ
Off-state (high-impedance
state) output current
V
O
= V
CC
or 0 6 V 0.01 2 µA
I
CC
Supply current V
I
= V
CC
or 0, I
O
= 0 6 V 0.1 2 µA
C
i
Input capacitance 2 V to 6 V 5 pF
(1) T
A
= 25°C
6.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER FROM (INPUT) TO (OUTPUT) V
CC
MIN TYP
(1)
MAX UNIT
t
pd
Propagation delay A Y
2 V 15 50
ns4.5 V 8 30
6 V 7 26
t
en
Enable time OE Y
2 V 18 36
ns
4.5 V 9 14
6 V 7 12
t
dis
Disable time OE Y
2 V 15 27
ns4.5 V 10 17
6 V 9 14
t
t
Transition-time Any
2 V 9 16
ns4.5 V 5 9
6 V 4 8
(1) T
A
= 25°C
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SN74HCS126-Q1
SCLS753A – JUNE 2020 – REVISED MARCH 2021
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