ICS525-01RIT Просмотр технического описания (PDF) - Integrated Device Technology
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ICS525-01RIT Datasheet PDF : 9 Pages
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ICS525-01/02
OSCaRTM User Configurable Clock
Pin Assignment
R5
R6
S0
S1
S2
VDD
X1/ICLK
X2
GND
V0
V1
V2
V3
V4
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
ICS525-01
R4
R3
R2
R1
R0
VDD
REF
CLK
GND
PD
V8
V7
V6
V5
R5
R6
S0
S1
S2
VDD
X1/ICLK
X2
GND
V0
V1
V2
V3
V4
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
ICS525-02
R4
R3
R2
R1
R0
VDD
REF
CLK
GND
PDTS
V8
V7
V6
V5
ICS525-01 Pin Descriptions
Pin
Number
1, 2,
24-28
3, 4, 5
6, 23
7
8
9, 20
10 - 18
Pin
Name
R5, R6,
R0-R4
S0, S1, S2
VDD
X1/ICLK
X2
GND
V0 - V8
19
PD
21
CLK
22
REF
Pin
Type
I(PU)
I(PU)
Power
X1
X2
Power
I(PU)
Input
Output
Output
Pin Description
Reference divider word input pins determined by user. Forms a binary number from 0
to 127.
Select pins for output divider determined by user. See table on page 3
Connect to VDD.
Crystal connection. Connect to a parallel resonant fundamental crystal or input clock.
Crystal connection. Connect to a crystal or leave unconnected for clock.
Connect to ground.
VCO divider word input pins determined by user. Forms a binary number from 0 to
511.
Power-down. Active low. Turns off entire chip when low. Clock outputs stop low.
Output clock determined by status of R0-R6, V-V8, S0-S2, and input frequency.
Reference output. Buffered crystal oscillator (or clock ) output.
ICS525-02 Pin Descriptions
Pin
Number
1, 2,
24-28
3, 4, 5
6, 23
7
Pin
Name
R5, R6,
R0-R4
S0, S1, S2
VDD
X1/ICLK
Pin
Type
I(PU)
I(PU)
Power
X1
Pin Description
Reference divider word input pins determined by user. Forms a binary number from 0
to 127.
Select pins for output divider determined by user. See table on page 3
Connect to VDD.
Crystal connection. Connect to a parallel resonant fundamental crystal or input clock.
MDS 525-01/02 R
2
Integrated Device Technology, Inc. ● www.idt.com
Revision 021710
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