XRT79L71IB datasheet(74/441 Pages) EXAR

74 / 441 page

XRT79L71

PRELIMINARY

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REV. P1.0.3

1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

t59

Delay time from Read Enable false to RxUSoC bit being tri-

stated

111.5

t61

RxUAddr[4:0] Hold Time from rising edge of RxUClk

t62

RxUClav signal valid (not Hi-Z) from first RxUClk rising edge of

valid and correct RxUAddr[4:0]

2.5

8.6

t63

RxUClav signal Hi-Z from first RxUClk rising edge of different

RxUAddr[4:0].

2.5

8.6

t58

Delay time from Read Enable false to RxUPrty bit being tri-

stated

112

t59

Delay time from Read Enable false to RxUSoC bit being tri-

stated

111.5

t60

RxUAddr[4:0] Setup Time to rising edge of RxUClk

t61

RxUAddr[4:0] Hold Time from rising edge of RxUClk

t62

RxUClav signal valid (not Hi-Z) from first RxUClk rising edge of

valid and correct RxUAddr[4:0]

17.8

t63

RxUClav signal Hi-Z from first RxUClk rising edge of different

RxUAddr[4:0].

19.2

TABLE 14: TIMING INFORMATION FOR THE RECEIVE UTOPIA INTERFACE BLOCK

Symbol

PARAMETER

MIN.TYP

MAX.UNITS

XRT79L71IB Datasheet(PDF) 74 Page - Exar Corporation

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