XRT86VL32 datasheet(52/65 Pages) EXAR

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XRT86VL32

DUAL T1/E1/J1 FRAMER/LIU COMBO - HARDWARE DESCRIPTION

REV. V1.2.1

AC ELECTRICAL CHARACTERISTICS RECEIVE OVERHEAD FRAMER

Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

RxSERCLK as an Output

t21

Rising Edge of RxSERCLK to Rising Edge of

RxSYNC (RxSYNC as Output)

t22

Rising Edge of RxSERCLK to Rising Edge of RxO-

HCLK

t23

Rising Edge of RxSERCLK to Rising Edge of RxOH

RxSERCLK as an Input

t24

Rising Edge of RxSERCLK to Rising Edge of

RxSYNC (RxSYNC as Output)

t24

Rising Edge of RxSERCLK to Rising Edge of

RxSYNC (RxSYNC as Input)

230

t25

Rising Edge of RxSERCLK to Rising Edge of RxO-

HCLK

t26

Rising Edge of RxSERCLK to Rising Edge of RxOH

FIGURE 8. FRAMER SYSTEM RECEIVE OVERHEAD TIMING DIAGRAM (RXSERCLK AS AN OUTPUT)

FIGURE 9. FRAMER SYSTEM RECEIVE OVERHEAD TIMING DIAGRAM (RXSERCLK AS AN INPUT)

RxSERCLK

(Output)

RxOHCLK

RxSYNC

RxOH

RxOH Interface with RxSERCLK as an Input

RxOH

RxSERCLK

(Input)

RxOHCLK

RxSYNC

XRT86VL32 Datasheet(PDF) 52 Page - Exar Corporation

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