mk1714-02 Integrated Device Technology, mk1714-02 Datasheet - Page 2

• Manufacturer Part Number: mk1714-02
• Description: Spread Spectrum Multiplier Clock
• Manufacturer: Integrated Device Technology

Pin Assignment
Pin Descriptions
Note: When changing the input frequency, the LEE pin must be set low for minimum of 10µs to allow the PLL to lock to the
new frequency. Alternatively, the PD pin may be set low while changing frequencies.
IDT™ / ICS™ SPREAD SPECTRUM MULTIPLIER CLOCK
Number
MK1714-02
SPREAD SPECTRUM MULTIPLIER CLOCK
Pin
10
11
12
13
14
17
18
19
20
1
2
3
4
5
6
7
8
9
Name
XSEL
GND
GND
GND
GND
VDD
VDD
CLK
REF
LEE
Pin
PD
OE
X2
X1
S4
S3
S2
S1
X1/ICLK
GND
GND
VDD
VDD
CLK
X2
S4
S3
S2
Output Clock output dependent on input, multiplier, and spread amount per table on following page.
Output Reference clock output from crystal oscillator. This clock is not spread.
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
20 pin (150 mil) SSOP (QSOP)
Pin
XO
XI
1
2
3
4
5
6
7
8
9
10
Crystal connection. Connect to parallel mode crystal. Leave open for clock.
Crystal connection. Connect to parallel mode crystal or clock.
Connect to VDD. Must be same value as other VDD.
Connect to VDD. Must be same value as other VDD.
Select pin 4. Determines multiplier and spread amount per table on following page. Internal
pull-down.
Select pin 3. Determines multiplier and spread amount per table on following page. Internal
pull-up.
Connect to ground.
Connect to ground.
Select pin 2. Determines multiplier and spread amount per table on following page. Internal
pull-up.
Connect to VDD for crystal input, or GND for CLK input. Internal pull-down.
Low EMI Enable. Turns on spread spectrum on CLK when high. Internal pull-up.
Connect to ground.
Select pin 1. Determines multiplier and spread amount per table on following page. Internal
pull-up.
Connect to ground.
Power down. Turns off chip when low. Outputs stop low. Leave open or connected to VDD if
power down is not required.
Output enable. Tri-states all outputs when low. Internal pull-up.
20
19
18
17
16
15
14
13
12
11
REF
OE
PD
GND
S0
NC
S1
GND
LEE
XSEL
2
Pin Description
MK1714-02
REV I 042805
SSCG