VSC7127R-QM 查看數據表（PDF） - Vitesse Semiconductor

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VSC7127R-QM

Dual Speed 10-bit Serializer/Deserializer

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC7127/VSC7129

Family of Repeater/Retimer and Port

Bypass Circuits for Fibre Channel

AC Characteristics (Over Recommended Operating Conditions)

Figure 3: Timing Waveforms

Ix+/-

Ox+/-

T1

T1

Table 1: AC Characteristics (Over recommended operating conditions)

Parameters

Description

Min Typ

T1

Propagation delay (Repeater mode)

T1

Propagation delay (Retimer mode)

TR, TF

Tj(PBC)

Serial data rise and fall time

Data jitter accumulation

(PBC only)

TJ(RPTR)

Total data output jitter

(Repeater mode)

TDJ(RPTR)

Serial data output deterministic jitter

(p-p) (Repeater mode)

TJ(RTMR)

Total data output jitter

(Retimer Mode)(1)

TDJ(RTMR)

Serial data output deterministic jitter

(p-p) (Retimer Mode)(1)

TJTOL

Jitter tolerance

0.24

NOTE: (1) Retimer mode is only available for Fibre Channel applications.

Max

7.0

180

300

120

192

80

192

80

Units

Conditions

ns Delay with all circuits bypassed.

ns

Delay with all circuits bypassed.

Typical delay is 100 bit times.

ps At ∆VIN minimum levels

ps

Peak-to-peak on Ox+/- in Port

Bypass Circuit Mode.

Jitter generation at Ox+/- when

ps driven by the CRU in Repeater

Mode. IEEE 802.3z Clause 38.68

Jitter generation at Ox+/- when

ps driven by the CRU in Repeater

Mode. IEEE 802.3z Clause 38.68

Jitter generation at Ox+/- when

ps driven by the CRU in Retimer

Mode.

Jitter generation at Ox+/- when

ps driven by the CRU in Retimer

Mode.

UI

Minimum eye opening for proper

operation as defined in MJS 8.0.

G52298-0, Rev 4.3

05/01/01

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Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

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