Datasheet
SGLS128A − JULY 2002 − REVISED APRIL 2008
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
driver electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
OD
Differential output voltage magnitude
R
L
= 50 Ω,
247 340 454
∆V
OD
Change in differential output voltage magnitude between logic
states
R
L
= 50 Ω,
See Figure 1 and Figure 2
−50 50
mV
V
OC(SS)
Steady-state common-mode output voltage 1.125 1.2 1.375 V
∆V
OC(SS)
Change in steady-state common-mode output voltage between
logic states
See Figure 3
−50 50 mV
V
OC(PP)
Peak-to-peak common-mode output voltage 50 mV
I
IH
High-level input current
DE
V
IH
= 5 V
−0.5 −20
A
I
IH
High-level input current
D
V
IH
= 5 V
2 20
µA
I
IL
Low-level input current
DE
V
IL
= 0.8 V
−0.5 −10
A
I
IL
Low-level input current
D
V
IL
= 0.8 V
2 10
µA
I
OS
Short-circuit output current
V
OY
or V
OZ
= 0 V 7 10
mA
I
OS
Short-circuit output current
V
OD
= 0 V
7 10
mA
I
OZ
High-impedance output current
V
OD
= 600 mV ±1
A
I
OZ
High-impedance output current
V
O
= 0 V or V
CC
±1
µA
I
O(OFF)
Power-off output current V
CC
= 0 V, V
O
= 3.6 V ±1.5 µA
C
IN
Input capacitance 3 pF
receiver electrical characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IT+
Positive-going differential input voltage threshold
See Figure 4 and Table 1
50
mV
V
IT−
Negative-going differential input voltage threshold
See Figure 4 and Table 1
−50
mV
V
OH
High-level output voltage I
OH
= −8 mA 2.4 V
V
OL
Low-level output voltage I
OL
= 8 mA 0.4 V
I
I
Input current (A or B inputs)
V
I
= 0 −2 −11 −20
A
I
I
Input current (A or B inputs)
V
I
= 2.4 V
−1.2 −3
µA
I
I(OFF)
Power-off input current (A or B inputs) V
CC
= 0 ±20 µA
I
IH
High-level input current (enables) V
IH
= 5 V 10 µA
I
IL
Low-level input current (enables) V
IL
= 0.8 V 10 µA
I
OZ
High-impedance output current V
O
= 0 or 5 V ±10 µA
C
I
Input capacitance 5 pF
†
All typical values are at 25°C and with a 3.3-V supply.