SI5013-X-GM ETC1 [List of Unclassifed Manufacturers], SI5013-X-GM Datasheet - Page 17

• Manufacturer Part Number: SI5013-X-GM
• Description: OC-12/3, STM-4/1 SONET/SDH CDR IC WITH LIMITING AMPLIFIER
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

4.19. Differential Output Circuitry
The Si5013 utilizes a current-mode logic (CML) architecture to output both the recovered clock (CLKOUT) and
data (DOUT). An example of output termination with ac coupling is shown in Figure 14. In applications in which
direct dc coupling is possible, the 0.1 PF capacitors may be omitted. The differential peak-to-peak voltage swing of
the CML architecture is specified in Table 2 on page 7.
Figure 14. Output Termination for DOUT and CLKOUT (ac coupled)
Figure 13. Single-Ended Input Termination for DIN (ac coupled)
source
Signal
2.5 V (±5%)
2.5 V (±5%)
Si5013
100 :
100 :
0.1 PF
Zo = 50 :
CLKOUT+
CLKOUT–
DOUT+,
DOUT–,
0.1 PF
100
:
Rev. 1.4
0.1 PF
0.1 PF
DIN+
DIN–
Zo = 50 :
Zo = 50 :
50 :
50 :
Si5013
50 :
50 :
VDD
VDD
GND
(±5%)
2.5 V
5 k:
7.5 k:
Si5013
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