ICS309 Integrated Circuit System, ICS309 Datasheet - Page 2

• Manufacturer Part Number: ICS309
• Manufacturer: Integrated Circuit System

MDS 309 A
Int egrat ed C ircuit Syst ems
Pin Assignment
Pin Descriptions
Number
P r e l i m i n a r y I n f o r m a t i o n
X 1/C LK
D AT A
Pin
C LK 9
C LK 1
C LK 2
CLK 3
CLK 4
10
12
13
14
15
16
17
18
19
20
11
G N D
VD D
1
2
3
4
5
6
7
8
9
X2
20 pin (150 m il) SSOP (QSOP)
STROBE
1
2
3
4
5
6
7
8
9
10
X1/CLK
Name
PDTS
SCLK
DATA
CLK9
CLK1
CLK2
CLK3
CLK4
CLK8
CLK7
CLK6
CLK5
GND
GND
VDD
VDD
VDD
Pin
X2
52 5 Race Str eet, San Jose, C A 9 5126
20
19
18
17
16
15
14
13
12
11
Output
Output
Output
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Pin
XO
XI
STR O BE
SC LK
PD TS
VD D
VD D
G N D
C LK 5
C LK 6
C LK 7
C LK 8
Serial data input.
Input crystal connection. Leave unconnected for clock input.
Crystal connection (REF frequency). Connect to a parallel resonant crystal or an
input clock.
Output clock 9. Default of Reference frequency output when unprogrammed.
Connect to +3.3V.
Connect to Ground.
Output clock 1. Default of Reference frequency output when unprogrammed.
Output clock 2. Default of Reference frequency output when unprogrammed.
Output clock 3. Default of Reference frequency output when unprogrammed.
Output clock 4. Default of Reference frequency output when unprogrammed.
Output clock 8. Default of Reference frequency output when unprogrammed.
Output clock 7. Default of Reference frequency output when unprogrammed.
Output clock 6. Default of Reference frequency output when unprogrammed.
Output clock 5. Default of Reference frequency output when unprogrammed.
Connect to Ground.
Connect to +3.3V.
Connect to +3.3V.
Powers down entire chip, tri-states all outputs when low. Internal pull-up.
Serial Shift register clock. See timing diagram.
Strobe to load data. See timing diagram.
2
S
ERIAL
Pin Description
P
ROGRAMMABLE
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T
RIPLE
w w w.i c s t .c o m
Revision 053003
SS C
ICS309
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