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I1819QG-08TR View Datasheet(PDF) - Alliance Semiconductor

Part NameDescriptionManufacturer
I1819QG-08TR Notebook LCD Panel EMI Reduction IC ALSC
Alliance Semiconductor ALSC
I1819QG-08TR Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
November 2005
rev 1.7
Pin Configuration
XIN/ CLKIN 1
8 XOUT
VSS 2
7
P1819 A/B/C/D
SRS 3
6
VDD
PD#
ModOUT 4
5 REF
P1819
XIN / CLKIN 1
8 XOUT
VSS 2
7
P1819 E/F/G/H/Q
D_C / NC 3
6
VDD
PD#
ModOUT 4
5 REF
Pin Description
Pin#
Pin Name
1819A/B/C/D 1819E/F/G/H/Q
1
1
XIN / CLKIN
2
2
VSS
3
SRS
3
D_C / NC
4
4
5
5
6
6
7
7
8
8
Note: Pin 3 is NC in P1819Q
ModOUT
REF
PD#
VDD
XOUT
Type
I
P
I
I
O
O
I
P
O
Description
Crystal Connection or external frequency input.This pin
has dual functions. It can be connected to either an
external crystal or an external reference clock
Ground Connection. Connect to system ground.
Spread range select. Digital logic input used to select
frequency deviation (Refer Spread Deviation Selection
Table). This pin has an internal pull-up resistor.
Digital logic input used to select Down (LOW) or Center
(HIGH) spread options (Refer Spread Deviation
Selection Table). This pin has an internal pull-up
resistor.
Spread spectrum clock output. (Refer Input Frequency
and Modulation Rate Table and Spread Deviation
Selection Table)
Non-modulated Reference clock output of the input
frequency.
Power down control pin. Pull LOW to enable Power-
Down mode. This pin has an internal pull-up resistor.
Power Supply for the entire chip.
Crystal Connection. Input connection for an external
crystal. If using an external reference, this pin must be
left unconnected.
Note Book LCD Panel EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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