MAX3170
+3.3V, Multiprotocol, 3 Tx/3 Rx, Software-
Selectable Clock/Data Transceiver
4 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V.35 TRANSMITTER
Differential Output Voltage -4V < V
CM
< +4V, Figure 3 0.44 0.55 0.66 V
Output High Current I
OH
V
A, B
= 0 9 11 13 mA
Output Low Current I
OL
V
A, B
= 0 -13 -11 -9 mA
Rise or Fall Time t
r
, t
f
10% to 90%, Figure 3 10 ns
Transmitter Input to Output t
PHL
, t
PLH
Figure 3 50 80 ns
Data Skew |t
PHL
- t
PLH
| Figure 3 5 10 ns
Output-to-Output Skew Figure 3 2 ns
C hannel- to-C hannel Output Skew 2 ns
V.35 RECEIVER
Differential Input Voltage V
TH
-4V < V
CM
< +4V, Figure 3 -200 -100 -25 mV
Input Hysteresis ∆V
TH
-4V < V
CM
< +4V, Figure 3 15 mV
Receiver Input to Output t
PHL
, t
PLH
V
CM
= 0 70 120 ns
Data Skew
|t
PHL
- t
PLH
|
V
CM
= 0 5 16 ns
V.28 TRANSMITTER
All transmitters loaded with R
L
= 3kΩ
±5.0 ±5.4
Output Voltage Swing V
O
No load ±6.5
V
Short-Circuit Current I
SC
±25 ±60 mA
R
L
= 3kΩ, C
L
= 2500pF, measured from
+3V to -3V or -3V to +3V, Figure 4
4 30
Output Slew Rate SR
R
L
= 7kΩ, C
L
= 150pF, measured from
+3V to -3V or -3V to +3V, Figure 4
6 30
V/µs
Transmitter Input to Output t
PHL
, t
PLH
Figure 4 1 µs
Data Skew
|t
PHL
- t
PLH
|
Figure 4 100 ns
V.28 RECEIVER
Input Threshold Low V
IL
Figure 5 0.8 1.1 V
Input Threshold High V
IH
Figure 5 1.6 2.0 V
Input Hysteresis V
HYS
0.5 V
Data Skew |t
PHL
- t
PLH
| Figure 5 100 ns
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.3V ±5%, C1 = C2 = 1µF, C3 = C4 = 3.3µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C
and V
CC
= +3.3V.)
