VSC8151QV 查看數據表（PDF） - Vitesse Semiconductor

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VSC8151QV

2.488Gb/s SONET/SDH STS-48/STM-16 Section Terminator

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

VSC8151

2.488Gb/s SONET/SDH

STS-48/STM-16 Section Terminator

RXFPOUT

RXFRERR

RXSEF

Figure 9: Framing and B1 Error Output Timing

TFPW

TFERRSU

TSEFSU

TFERRPW

Note: Waveforms not to scale

Table 6: Framing and B1 Error Output Timing (STS-48/STM-16 Mode)

Parameter

Description

Min

Typ

TFPW

Frame Pulse Width

—

51.4

TFERRSU

Frame Boundary Error delay with respect to RXFPOUT

—

61.2

TFERRPW

Frame Boundary Error pulse width high

—

25.7

TSEFSU

SEF transition delay time with respect to RXFPOUT

—

48.3

Note: Generated Waveforms are synchronous and assume a 2.488GHz RXSCLKIN signal.

Table 7: Framing and B1 Error Output Timing (STS-12/STM-4 Mode)

Parameter

Description

Min

Typ

TFPW

Frame Pulse Width

—

51.4

TFERRSU

Frame Boundary Error delay with respect to RXFPOUT

—

64.4

TFERRPW

Frame Boundary Error pulse width high

—

51.4

TSEFSU

SEF transition delay time with respect to RXFPOUT

—

51.4

Note: Generated Waveforms are synchronous and assume a 622MHz RXSCLKIN signal.

Table 8: Framing and B1 Error Output Timing (STS-3/STM-1 Mode)

Parameter

Description

Min

Typ

TFPW

Frame Pulse Width

—

51.4

TFERRSU

Frame Boundary Error delay with respect to RXFPOUT

—

0

TFERRPW

Frame Boundary Error pulse width high

—

51.4

TSEFSU

SEF transition delay time with respect to RXFPOUT

—

103

Note: Generated Waveforms are synchronous and assume a 155MHz RXSCLKIN signal.

Max

—

—

—

—

Max

—

—

—

—

Max

—

—

—

—

Units

ns

ns

ns

ns

Units

ns

ns

ns

ns

Units

ns

ns

ns

ns

G52225-0, Rev. 2.9

12/1/99

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741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

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