XR81111 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR81111' PDF : 13 Pages View PDF
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)
© 2014 Exar Corporation
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exar.com/XR81111
Rev 1B
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