ICS674R-01IT データシートの表示（PDF） - Integrated Circuit Systems
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ICS674R-01IT Datasheet PDF : 6 Pages
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PRELIMINARY INFORMATION
ICS674-01
User Configurable Divider
Pin Assignment
A5 1
A6 2
S0 3
S1 4
S2 5
VDD 6
INA 7
INB 8
GND 9
B0 10
B1 11
B2 12
B3 13
B4 14
28 A 4
27 A 3
26 A 2
25 A 1
24 A 0
23 VDD
22 OUTA
21 OUTB
20 GND
19 GND
18 B8
17 B7
16 B6
15 B5
Post Divider Table
S2 S1 S0
pin 5 pin 4 pin 3
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Post
Divide
10
2
8
4
5
7
1
6
Pin Description
Pin # Name Type Description
1, 2, 24-28 A5, A6, A0-A4 I(PU) Divider A word input pins. Forms a binary number from 3 to 129.
3, 4, 5
S0, S1, S2 I(PU) Select pins for Post Divider. See table above.
6, 23
VDD
P Connect to VDD.
7
INA
I Divider A input.
8
INB
I Divider B input.
9, 19, 20
GND
P Connect to ground.
10-18
B0-B8
I(PU) Divider B word input pins. Forms a binary number from 12 to 519.
21
OUTB
O Divider B output.
22
OUTA
O Divider A output.
Key: I(PU) = Input with internal pull-up resistor; I=Input (no pull-up); O = Output;
P = Power supply connection
External Components
The ICS674-01 requires a 0.01µF decoupling capacitor to be connected between VDD and GND. It
must be connected close to the ICS674-01 to minimize lead inductance. Terminating resistors of 33Ω can
be used in series with the OUTA and OUTB pins.
MDS 674-01 A
2
Revision 033199
Printed 11/15/00
Integrated Circuit Systems • 525 Race Street • San Jose • CA • 95126 •(408)295-9800tel•(408)295-9818fax
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