參數(shù)資料
型號: SP505BCM
英文描述: WAN Multi-Mode Serial Transceiver
中文描述: 萬多模式串行收發(fā)器
文件頁數(shù): 13/35頁
文件大?。?/td> 495K
代理商: SP505BCM
13
Rev: A Date: 1/27/04
SP505 Multi–Mode Serial Transceiver
Copyright 2004 Sipex Corporation
Figure 34. Driver Timing Test Load Circuit
Figure 35. Receiver Timing Test Load Circuit
500
C
L
Output
Under
Test
S
1
S
2
V
CC
1K
1K
C
RL
Receiver
Output
S
1
S
2
Test Point
V
CC
Figure 36. Driver Propagation Delays
Figure 37. Driver Enable and Disable Times
+3V
0V
DEC
X
5V
V
OL
A, B
0V
1.5V
1.5V
t
ZL
t
ZH
f = 1MHz; t
R
10ns; t
F
10ns
V
OH
A, B
2.3V
2.3V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
TX
ENABLE
Figure 38. Receiver Propagation Delays
+3V
0V
INPUT
B
A
OUTPUT
V
V
O
DRIVER
DRIVER
OUTPUT
V
A
– V
B
+
DIFFERENTIAL
0V
1.5V
1.5V
t
PLH
t
R
t
F
f > 5MHz; t
R
< 10ns; t
F
< 10ns
V
O
1/2V
O
1/2V
O
t
PHL
t
DPLH
t
DPHL
t
SKEW =
|
t
DPLH -
t
DPHL
|
V
OH
V
OL
RECEIVER OUT
(V
OH
- V
OL
)/2
(V
OH
- V
OL
)/2
t
PLH
f > 5MHz; t
R
< 10ns; t
F
< 10ns
OUTPUT
V
0D2
+
V
0D2
A – B
0V
0V
t
PHL
INPUT
t
SKEW
= | t
PHL
- t
PLH
|
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