SP514 Datasheet, PDF (13/20 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

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
+3V
DRIVER INPUT
0V
A
DRIVER
OUTPUT _B
DIFFERENTIAL ^VO⁺
OUTPUT 0V
V_A – V_B ^VO^–
f ≥ 5MHz; t_R ≤ 10ns; t_F ≤ 10ns
1.5V
1.5V
V_O ^1/2VO
t_PLH
t_PHL
t_SKEW
t_F
Figure 36. Driver Propagation Delays
1/2V_O
t_SKEW
t_R
TX_{ENABLE +3V}
DECX 0V
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 37. Driver Enable and Disable Times
1.5V
t_LZ
0.5V
0.5V
t_HZ
Note: Figure 36 shown above is corrected from Figure 5 in SP504 Datasheet. Figure 5 in the SP504 Datasheet is incorrect where A and B are
reversed and the V_A –V_B output should be inverted.
Rev. 3/05/04
SP514 Multi–Mode Serial Transceiver
13
© Copyright 2004 Sipex Corporation