ICS1493K-17LF IDT, Integrated Device Technology Inc, ICS1493K-17LF Datasheet - Page 2

• Manufacturer Part Number: ICS1493K-17LF
• Description: IC CLOCK SYNTHESIZER 20-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock/Frequency Synthesizer, Fanout Distribution, Spread Spectrum Clock Generatorr

Specifications of ICS1493K-17LF

• Pll: Yes with Bypass
• Input: Clock, Crystal
• Output: Clock
• Number Of Circuits: 1
• Ratio - Input:output: 1:5
• Differential - Input:output: No/No
• Frequency - Max: 48MHz
• Divider/multiplier: No/No
• Voltage - Supply: 1.7 V ~ 2 V
• Operating Temperature: -10°C ~ 80°C
• Mounting Type: Surface Mount
• Package / Case: 20-QFN
• Frequency-max: 48MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1493K-17LF

IDT™ / ICS™ CLOCK SYNTHESIZER FOR PORTABLE SYSTEMS
ICS1493-17
CLOCK SYNTHESIZER FOR PORTABLE SYSTEMS
Pin Assignment
Pin Descriptions
VDDO
GND
VDD
48M
OE
Number
Pin
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
1
6
20-pin QFN
22/24M
SDATA
Name
VDDO
VDDO
GND
GND
GND
GND
GND
VDD
VDD
SCK
48M
22M
37M
27M
Pin
OE
16
11
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Pin
GND
VDD
37M
VDDO
22/24M
Connect to ground.
48 MHz clock output. High impedance state when OE=1.
Output voltage level. Connect to +1.8 or 2.5 V. Same voltage as pin
12.
Output Enable pin. See table above. Internal pull-down resistor.
Connect to +1.8 V.
22.5792 MHz clock output. Internal pull-down. High impedance state
when OE=1.
Connect to ground.
I
I
Connect to ground.
Selectable output clock of either 22.5792M or 24.576M. See table.
Internal pull-down. High impedance state. OE=1.
Output voltage level. Connect to +1.8 or 2.5 V. Same voltage as pin 3.
Spread spectrum 37 MHz clock output. See table. Internal pull-down.
High impedance state when OE=1.
Connect to +1.8 V.
Connect to ground.
Connect to ground.
27 MHz reference clock output. Internal pull-down. High impedance
state when OE=1.
2
2
C bus clock pin. Internal pull-up resistor.
C bus data pin. Internal pull-up resistor.
2
Output Enable Table
Note: OE pin has an internal pull-down resistor.
OE
0
1
Pin Description
Clock Output State
Normal Operation
Hi-Z
ICS1493-17
SYNTHESIZERS
REV A 101005