Data Sheet

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Recommended Operating Conditions
Electrical Characteristics
(1)
Switching Characteristics
AM26LS31C , AM26LS31M
QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS114I – JANUARY 1979 – REVISED FEBRUARY 2006
MIN NOM MAX UNIT
AM26LS31C 4.75 5 5.25
V
CC
Supply voltage V
AM26LS31M 4.5 5 5.5
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current –20 mA
I
OL
Low-level output current 20 mA
AM26LS31C 0 70
T
A
Operating free-air temperature ° C
AM26LS31M –55 125
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
IK
Input clamp voltage V
CC
= MIN, I
I
= –18 mA –1.5 V
V
OH
High-level output voltage V
CC
= MIN, I
OH
= –20 mA 2.5 V
V
OL
Low-level output voltage V
CC
= MIN, I
OL
= 20 mA 0.5 V
V
O
= 0.5 V –20
Off-state (high-impedance-state)
I
OZ
V
CC
= MIN, µ A
output current
V
O
= 2.5 V 20
I
I
Input current at maximum input voltage V
CC
= MAX, V
I
= 7 V 0.1 mA
I
IH
High-level input current V
CC
= MAX, V
I
= 2.7 V 20 µ A
I
IL
Low-level input current V
CC
= MAX, V
I
= 0.4 V –0.36 mA
I
OS
Short-circuit output current
(3)
V
CC
= MAX –30 –150 mA
I
CC
Supply current V
CC
= MAX, All outputs disabled 32 80 mA
(1) For C-suffix devices, V
CC
min = 4.75 V and V
CC
max = 5.25 V. For M-suffix devices, V
CC
min = 4.5 V and V
CC
max = 5.5 V.
(2) All typical values are at V
CC
= 5 V and T
A
= 25 ° C.
(3) Not more than one output should be shorted at a time, and duration of the short circuit should not exceed one second.
V
CC
= 5 V (see Figure 1 )
T
A
= 25 ° C AM26LS31M
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN MAX
Propagation delay time, low- to
t
PLH
14 20 30
high-level output
C
L
= 30 pF, S1 and S2 open ns
Propagation delay time, high- to
t
PHL
14 20 30
low-level output
t
PZH
Output enable time to high level R
L
= 75 Ω 25 40 60
C
L
= 30 pF ns
t
PZL
Output enable time to low level R
L
= 180 Ω 37 45 68
t
PHZ
Output disable time from high level 21 30 45
C
L
= 10 pF, S1 and S2 closed ns
t
PLZ
Output disable time from low level 23 35 53
t
SKEW
Output-to-output skew C
L
= 30 pF, S1 and S2 open 1 6 9 ns
4
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