SP504 Sipex, SP504 Datasheet - Page 8

• Manufacturer Part Number: SP504
• Description: WAN Multi-Mode Serial Transceiver
• Manufacturer: Sipex

Figure 1. Driver DC Test Load Circuit
Note : Figures 3a and 3b shown above are used for evaluating maximum transmission rate. For 10Mbps transmission rate, an input signal of 5MHz is applied
Rev: A Date:1/27/04
Figure 3a. Driver/Receiver Timing Test Circuit
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to the driver input. In order for a valid transmission rate, the driver output must adhere to the output electrical specifications (V
acceptable duty cycle for the protocol tested. The receiver outputs are checked for proper TTL/CMOS V
duty cycle.
A
B
R
L
A
B
V
C
C
OD
L1
L2
R
R
Figure 4. Driver Timing Test Load #2 Circuit
V
Output
Under
A
B
OC
Test
RO
C
SP504 Multi–Mode Serial Transceivers
L
15pF
500Ω
8
Figure 2. Receiver Timing Test Load Circuit
Figure 3b. Timing Test Ckt. (V.35 mode only for SP504)
Receiver
Output
DI
S
S
1
2
C
A
B
RL
Test Point
V
CC
OH
1KΩ
& V
© Copyright 2004 Sipex Corporation
OL
levels and an acceptable output
S
S
1
2
A
B
1KΩ
OH
RO
& V
OL
) and an
15pF
V
CC