MK1714-02 データシートの表示（PDF） - Integrated Circuit Systems
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MK1714-02 Datasheet PDF : 5 Pages
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Pin Assignment
MK1714-02
Spread Spectrum Multiplier Clock
X2 1
X1/ICLK 2
VDD 3
VDD 4
S4 5
S3 6
GND 7
GND 8
S2 9
CLK 10
20 REF
19 OE
18 PD
17 GND
16 S0
15 NC
14 S1
13 GND
12 LEE
11 XSEL
20 pin.150 mil SSOP (QSOP)
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
X2
X1/ICLK
VDD
VDD
S4
S3
GND
GND
S2
CLK
XSEL
LEE
GND
S1
NC
S0
GND
PD
OE
REF
Type
XO
XI
P
P
I(D)
I
P
P
I
O
I
I
P
I
-
I
P
I
I
O
Description
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. Decouple with pin 7.
Select pin number 4. Determines multiplier and spread amount per table on following page.
Select pin number 3. Determines multiplier and spread amount per table on following page.
Connect to ground.
Connect to ground.
Select pin number 2. Determines multiplier and spread amount per table on following page.
Clock output which depends on the input, multiplier and spread amount per table on page 3.
Connect to VDD for crystal input, or GND for CLK input.
Low EMI Enable. Turns on the Spread spectrum when high.
Connect to ground.
Select pin number 1. Determines multiplier and spread amount per table on following page.
No Connect.
Select pin number 0. Determines multiplier and spread amount per table on following page.
Connect to ground.
Power Down. Turns off the chip when low. Outputs stop low.
Output Enable. Tri-states all outputs when low.
Reference clock output from crystal oscillator.
Key: I = Input with internal pull-up; I(D) = Input with internal pull-down; XO/XI = crystal connections;
O = output; P = power supply connection
MDS 1714-02 C
2
Revision 120400
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126• (408) 295-9800tel • www.icst.com
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