SP526 Datasheet, PDF (12/23 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

CL1
DI
A
RL
B
CL2
A
RO
B
1 5pF
Outp ut
U nd er
Test _CL
500 Ω
S₁
V_CC
S₂
Figure 21. Driver/Receiver Timing Test Circuit
Figure 22. Driver Timing Test Load Circuit
Receiver
Ou tpu t
Test Point
1KΩ
S₁
VCC
C_RL
1KΩ
S₂
Figure 23. Receiver Timing Test Load Circuit
+3V
DRIVER INPUT
0V
A
DRIVER
OUTPUT _B
DIFFERENTIAL ^VO⁺
OUTPUT 0V
V_A – V_B ^VO^–
t_SKEW = |t_DPLH - t_DPHL|
f = 1MHz; t_R ≤ 10ns; t_F ≤ 10ns
1.5V
1.5V
t_PLH
t_PHL
V_O ^1/2VO
t_DPHL
t_DPLH
t_F
Figure 24. Driver Propagation Delays
1/2V_O
t_R
+3V
D_X^Do^Er ^CT_X^X_^oE^rn^Ta^xb^_l^Ee₀ⁿ_V^able
5V
A, B
V _OL
V _OH
A, B
0V
f = 1MHz; t_R < 10ns; t_F < 10ns
1.5V
t_ZL
2.3V _{Output normally LOW}
2.3V ^{Output normally HIGH}
t_ZH
Figure 25. V.11 Driver Enable and Disable Times
1.5V
t_LZ
0.5V
0.5V
t_HZ
Rev: B Date:7/7/04
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SP526 Multi–Mode Serial Transceiver
12
© Copyright 2004 Sipex Corporation