ICS181M-01T IDT, Integrated Device Technology Inc, ICS181M-01T Datasheet - Page 2

• Manufacturer Part Number: ICS181M-01T
• Description: IC CLOCK GEN LOW EMI 8-SOIC
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Spread Spectrum Clock Generatorr

Specifications of ICS181M-01T

• Pll: Yes
• Input: Clock, Crystal
• Output: CMOS
• Number Of Circuits: 1
• Ratio - Input:output: 1:1
• Differential - Input:output: No/No
• Frequency - Max: 75MHz
• Divider/multiplier: No/No
• Voltage - Supply: 3.135 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Frequency-max: 28MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 181M-01T

IDT™ / ICS™ LOW EMI CLOCK GENERATOR
ICS181-01
LOW EMI CLOCK GENERATOR
Pin Assignment
Pin Descriptions
Number
X1/CLKIN
Pin
1
2
3
4
5
6
7
8
GND
SS%
X2
X1/CLKIN
CLKOUT
Name
GND
SS%
VDD
FS1
FS2
8-pin (150 mil) SOIC
Pin
X2
1
2
3
4
Pin Type
Output
Output
Power
Power
Input
Input
Input
Input
8
7
6
5
Crystal or Clock input.
Crystal output. Float for a clock input.
Connect to ground.
Select pin for spread amount. See table above. Internal pull-up resistor.
Spread spectrum clock output per table above.
Connect to 3.3 V or 5 V.
Select pin for input frequency. See table above. Internal pull-up resistor.
Select pin for input frequency. See table above. Internal pull-up resistor.
FS2
FS1
VDD
CLKOUT
2
Spread Spectrum Select Table
0 = connect to GND
1 = connect directly to VDD
Note: SS% pin has an internal pull-up resistor
Frequency Range Selection Table
(Pin 8)
(Pin 4)
SS%
FS2
0
0
1
1
0
1
(Pin 7)
Pin Description
FS1
0
1
0
1
Direction
Spread
Down
Down
Frequency Range Selection
Percentage (%)
Spread
-1.25%
-3.75%
(MHz)
28-38
38-48
46-60
58-75
ICS181-01
REV D 051310
SSCG