ICS307 데이터 시트보기 (PDF) - Integrated Circuit Systems
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ICS307 Datasheet PDF : 8 Pages
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ICS307
Serially Programmable Clock Source
Pin Assignment
ICS307
X1/ICLK
NC
VDD
NC
GND
CLK2
NC
SCLK
1
16 X2
2
15 NC
3
14 NC
4
13 PDTS
5
12 DATA
6
11 CLK1
7
10 NC
8
9 STROBE
16 pin Narrow
(0.150”) SOIC
Pin Description
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
X1/ICLK
NC
VDD
NC
GND
CLK2
NC
SCLK
STROBE
NC
CLK1
DATA
PDTS
NC
NC
X2
Type Description
XI Crystal connection (REF frequency). Connect to a parallel resonant crystal, or an input clock .
- No Connect.
P Connect to +3.3V or +5V.
- No Connect.
P Connect to ground.
O Output clock 2, determined by F0-F1. Can be reference, ref/2, CLK1/2 or off.
- No Connect.
I Serial clock. See timing diagram.
I Strobe to load data. See timing diagram.
- No Connect.
O Output clock 1, determined by R0-R6, V0-V8, S0-S2 and input frequency.
I Data Input. Serial input for three words which set the output clock(s).
I Powers down entire chip, tri-states CLK1 and CLK2 outputs, when low. Internal pull-up.
- No Connect.
- No Connect.
XO Input crystal connection. Connect to a crystal, or leave unconnected for clock input.
Type: XI, XO=crystal connections, I = Input, O = output, P = power supply connection
MDS 307 D
2
Revision 042501
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel •www.icst.com
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