XR81111-CA04-F Просмотр технического описания (PDF) - Exar Corporation

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XR81111-CA04-F

Universal Clock - High Frequency LVPECL Clock Synthesizer

Exar Corporation 

Pin Configuration

10

9

OE

1

8

VCC

Reserved

2

7

Q

VEE

3

6

Q

4

5

XR81111

Pin Assignments

Pin No.

Pin Name

1

OE

2

Reserved

3

VEE

4

XTAL_OUT

5

XTAL_IN

6

Q

7

Q

8

VCC

9

FSEL0

10

FSEL1

Type

Description

Input

(900K: pull-up)

Supply

Output enable pin - LVCMOS/LVTTL active high input. Outputs are enabled when OE = high.

Outputs are disabled when OE = low.

Reserved, leave this pin unconnected.

Negative supply pin.

Output

Input

Output

Output

Supply

Crystal oscillator output.

Crystal oscillator input.

Positive LVPECL output.

Inverted LVPECL output.

Power supply pin.

Input

Output frequency select pin, LSB (LVCMOS/LVTTL input).

(900K: pull-dwn)

Input

Output frequency select pin, MSB (LVCMOS/LVTTL input).

(900K: pull-dwn)

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