SP3508 Datasheet, PDF (5/33 Pages) Sipex Corporation – Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors

ELECTRICAL SPECIFICATIONS
TA = 0 to 70°C and VCC = 3.3V ± 5% unless otherwise noted. The ♦ denotes the specifications which apply over the full operating
temperature range (-40°C to +85°C), unless otherwise specified.
PARAMETER
MIN. TYP. MAX.
UNITS
CONDITIONS
V.35 DRIVER DC Parameters (Outputs)
Open Circuit Voltage
±1.20
V per Figure 16
Test Terminated Voltage
±0.44
±0.66
V per Figure 25
Offset
±0.6 ♦
V per Figure 25
Output Overshoot
Source Impedance
Short-Circuit Impedance
-0.2V-
ST
50
135
+0.2-
V_ST
♦
150 ♦
165
V
per Figure 25; V_ST = Steady state
value
Ω per Figure 26; Z_S = V₂/V₁ x 50
Ω per Figure 27
V.35 DRIVER AC Parameters (Outputs)
Transition Time
20 ♦
V_CC = +3.3V for AC parameters
ns
Propagation Delay: t_PHL
Propagation Delay: t_PLH
Differential Skew
Max.Transmission Rate
30
60 ♦
ns per Figures 32 and 35; C_L = 20pF
30
60 ♦
ns per Figures 32 and 35; C_L = 20pF
5♦
ns per Figures 32 and 35; C_L = 20pF
20
♦ Mbps
V.35 RECEIVER DC Parameters (Inputs)
Sensitivity
±50 ±200 ♦ mV
Source Impedance
90
Short-Circuit Impedance
135
110
Ω per Figure 29; Z_S = V₂/V₁ x 50Ω
165
Ω per Figure 30
V.35 RECEIVER AC Parameters
Propagation Delay: t_PHL
Propagation Delay: t_PLH
Skew
30
60
30
60
5
10
Max.Transmission Rate
20
ns
ns
ns
Mbps
V_CC = +5V for AC parameters
per Figures 32 and 37; C_L = 20pF
per Figures 32 and 37; C_L = 20pF
per Figures 32; C_L = 20pF
TRANSCEIVER LEAKAGE CURRENTS
Driver Output 3-State Current
200
µA per Figure 31; Drivers disabled
Receiver Output 3-State
Current
1
10
µA ^{DX = 111}
Date: 06/14/04
SP3508 Enhanced WAN Multi–Mode Serial Transceiver
5
© Copyright 2004 Sipex Corporation