ICS1493A-19 View Datasheet(PDF) - Integrated Device Technology
Part Name
Description
Manufacturer
ICS1493A-19 Datasheet PDF : 8 Pages
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ICS1493A-19
CLOCK GENERATOR FOR AUTOMOTIVE APPLICATION
Pin Assignment
X1 1
GNDX 2
CLK19 3
GND14&19 4
VDD14&19 5
CLK14 6
VDD48 7
GND48 8
CLK48 9
VDD22 10
GND22 11
CLK22 12
VDD66 13
CLK66 14
28
X2
27
VDDX
26
FSEL
25
OE
24 SSEN
23 VDDPLL
22 GNDPLL
21 CLK66
20 VDD66
19 CLK33
18
VDD33
17 GND33
16
GND66
15
CLK66
28-pin (173 mil) TSSOP
Pin Descriptions
Spread Enable Table 1
SSEN
0
1
66.60/33.30 MHz Clock
No spread (default)
-1.0%
Output Enable Function Table 2
OE
Output Status
0
Stopped low
1
Running (default)
Frequency Select Table 3
FSEL
0
1
Clock Selected (MHz)
12.288
33.30 (default)
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin
Name
X1
GNDX
CLK19
GND14&19
VDD14&19
CLK14
VDD48
GND48
CLK48
VDD22
GND22
CLK22
VDD66
CLK66
CLK66
Pin
Type
Input
Power
Output
Power
Power
Output
Power
Power
Output
Power
Power
Output
Power
Output
Output
Pin Description
Crystal connection. Connect to a 19.35 MHz fundamental crystal.
Crystal oscillator circuit ground.
19.35 MHz reference clock output. Internal weak pull-down resistor.
Connect to 14.7456 MHz and 19.35 MHz clock output ground.
Output driver power for 14.7456 MHz clock output.
14.7456 MHz clock output. Internal weak pull-down resistor.
Output driver power for 48 MHz clock output.
Connect to 48 MHz clock output ground.
48 MHz clock output. Internal weak pull-down resistor.
Output driver power for 22.5792 MHz clock output.
Connect to 22.5792 MHz clock output circuit ground.
22.5792 MHz clock output. Internal weak pull-down resistor.
Output driver power for 66.60 MHz clock output.
66.60 MHz clock output. Internal weak pull-down resistor.
66.60 MHz clock output. Internal weak pull-down resistor.
MDS 1493A-19 C
2
Integrated Device Technology, Inc. ● w w w. i d t . c o m
Revision 051310
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