SP509 Datasheet, PDF (16/29 Pages) Sipex Corporation – Rugged 40Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

Output
Under
Test _CL
500Ω
S₁
V_CC
S₂
Figure 34. Driver Timing Test Load Circuit
Receiver
Output
Test Point
1KΩ
S₁
V_CC
C_RL
1KΩ
S₂
Figure 35. Receiver Timing Test Load Circuit
DRIVER
INPUT
+3V
0V
A
DRIVER
OUTPUT
B
DIFFERENTIAL
OUTPUT
V_B – V_A
V_O⁺
0V
V_O^–
f > 10MHz; t_R < 10ns; t_F < 10ns
1.5V
V_O ^1/2VO
t_PLH
t_PHL
1.5V
t_DPLH
t_DPHL
t_R
t_{SKEW = |} t_{DPLH -} t_{DPHL |}
Figure 36. Driver Propagation Delays
1/2V_O
t_F
Mx or Tx_Enable +3V
0V
5V
A, B
V_OL
V_OH
A, B
0V
1.5V
t_ZL
2.3V _{Output normally LOW}
2.3V ^{Output normally HIGH}
t_ZH
Figure 37. Driver Enable and Disable Times
1.5V
t_LZ
0.5V
0.5V
t_HZ
A–B
V_0D2⁺
V_0D2^–
V_OH
RECEIVER OUT
V_OL
t_PLH
t_{SKEW = |} t_{PHL -} t_{PLH |}
Figure 38. Receiver Propagation Delays
f > 10MHz; t_R < 10ns; t_F < 10ns
0V
INPUT
OUTPUT
(VOH - VOL)/2
t_PHL
0V
(VOH - VOL)/2
Date: 8/19/04
SP509 Enhanced WAN Multi–Protocol Serial Transceiver
16
© Copyright 2004 Sipex Corporation