XRT8001(1999) View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

XRT8001
(Rev.:1999)

XRT8001 WAN Clock

Exar Corporation 

XRT8001

Preliminary

The Forward/Master Mode

In the Forward/Master Mode, the XRT8001 Device will

accept either an “N x 1.544MHz” or an “N x 2.048MHz”

clock signal via the FIN input pin (where: 1 < N < 16).

From this “reference signal” the XRT8001 device will

generate either a “K x 56kHz” or a “K x 64kHz” clock

signal (where: 1 < K < 32).

Figure 3, presents a simple illustration of the XRT8001

WAN Clock device operating in the “Forward Master/

Mode.”

N x 1.544MHz

or

N x 2.048MHz

Where 1 < N < 16

K x 56kHz

FIN

CLK1

or

K x 64kHz

Where 1 < K < 32

XRTXRT880001 01

WAN Clock

WAN Clock

CLK2

K x 56kHz

or

K x 64kHz

Where 1 < K < 32

Figure 3. Illustration of the XRT8001 WAN Clock

Device Operating in the Forward/Master Mode

Rev. P1.00

8

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