VSC8150QQ 查看數據表（PDF） - Vitesse Semiconductor
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VSC8150QQ Datasheet PDF : 20 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC8150
2.488Gb/s SONET/SDH
Overhead Monitor
AC Timing Characteristics
Figure 9: Overhead Output Timing Diagram
SOHOUT[7:0] E2
SOHCLK
RXFPOUT
A1
A2
TOHSU
TOHH
TOHCLKW
C1/J0
TFPSU
TFPW
Table 3: Overhead Output Timing (STS-48/STM-16 Mode)
Parameter
Description
Min
Typ
TOHSU
TOHH
TOHCLKW
TFPSU
TFPW
Overhead output setup time with respect SOHCLK
Overhead output hold time with respect SOHCLK
Overhead output clock period
Frame pulse setup time with respect to SOHCLK
Frame pulse width
—
75
—
75
—
154
—
90
—
50
Note: Generated Waveforms are synchronous and assume a 2.488GHz RXSCLKIN signal.
Table 4: Overhead Output Timing (STS-12/STM-4 Mode)
Parameter
Description
Min
Typ
TOHSU
TOHH
TOHCLKW
TFPSU
TFPW
Overhead output setup time with respect SOHCLK
Overhead output hold time with respect SOHCLK
Overhead output clock period
Frame pulse setup time with respect to SOHCLK
Frame pulse width
—
75
—
75
—
154
—
116
—
50
Note: Generated Waveforms are synchronous and assume a 622MHz RXSCLKIN signal.
Table 5: Overhead Output Timing (STS-3/STM-1 Mode)
Parameter
Description
Min
Typ
TOHSU
TOHH
TOHCLKW
TFPSU
TFPW
Overhead output setup time with respect SOHCLK
Overhead output hold time with respect SOHCLK
Overhead output clock period
Frame pulse setup time with respect to SOHCLK
Frame pulse width
—
100
—
50
—
154
—
150
—
50
Note: Generated Waveforms are synchronous and assume a 155MHz RXSCLKIN signal.
Max
—
—
—
—
—
Max
—
—
—
—
—
Max
—
—
—
—
—
Units
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
G52186-0, Rev. 3.0
10/12/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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