SP504 Datasheet, PDF (3/32 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

SPECIFICATIONS
T_A = +25°C and V_CC = +5.0V unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX. UNITS CONDITIONS
RS-485 DRIVER (continued)
Propagation Delay t_PLH
Differential Driver Skew
RS-485 RECEIVER
50
80
100
ns T_A @ 25°C and V_CC = +5V only Fig-
ures 3a and 5; R_L= 54Ω, C_L=50pF
20
40
ns
|t_PHL - t_PLH|; T_A @ 25°C
TTL Output Levels
V_OL
V_OH
Input
0.4
Volts
2.4
Volts
HIGH Threshold
+0.2
+12 Volts (a)-(b)
LOW Threshold
-7.0
-0.2 Volts (a)-(b)
Common Mode Range
-7.0
+12 Volts
HIGH Input Current
Refer to Receiver input graph
LOW Input Current
Refer to Receiver input graph
Receiver Sensitivity
+/-0.2
Volts Over -7V to +12V common mode
Range
Input Impedance
12
kΩ
Max. Transmission Rate
10
Mbps Figure 3a
Propagation Delay t_PHL
Propagation Delay t_PLH
80
110
180
ns T_A @ 25°C and V_CC = +5V only.
80
110
180
ns
Figures 3a and 7; A is inverting
and B is non-inverting.
Differential Receiver Skew
V.35 DRIVER
30
ns |t_PHL - t_PLH|; T_A @ +25°C
TTL Input Levels
V_IL
V_IH
Outputs
0.8
Volts
2.0
Volts
All Outputs measured with 150Ω termination resistor connected to the non-inverting
outputs as shown in Figure 19.
Differential Output
Source Impedance
+/-0.44
+/-0.66 Volts R_L = 100Ω
50
100
150
Ω
Short-Circuit Impedance
Voltage Output Offset
135
150
165
Ω V_OUT = -2V to +2V; A = B
-0.6
+0.6 Volts
Transition Time
Max. Transmission Rate
Propagation Delay t_PHL
Propagation Delay t_PLH
DIfferential Driver Skew
V.35 RECEIVER
35
60
ns 48kbps data rate; T_A @ 25°C
10
Mbps R_L = 100Ω
50
80
100
ns T_A @ 25°C and V_CC = +5V only
50
80
100
ns ^{Figures 3b and 5}
30
40
ns |t_PHL - t_PLH|; T_A @ +25°C
TTL Output Levels
V_OL
0.4
Volts
V_OH
2.4
Volts
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP504_102_121708