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ICS551 Datasheet

1 to 4 Clock Buffer

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ICS551 pdf
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PRELIMINARY INFORMATION
ICS551
1 to 4 Clock Buffer
Description
The ICS551 is a low cost, high speed single input
to four output clock buffer. Part of ICS’ Clock
BlocksTM family, this is our lowest cost, small clock
buffer. See the ICS552-01B for a monolithic dual
version of the ICS551 in a 20 pin QSOP.
ICS makes many non-PLL and PLL based low
skew output devices, as well as Zero Delay Buffers
to synchronize clocks. Contact us for all of your
clocking needs.
Features
• Packaged in 8 pin SOIC
• Low cost clock buffer
• Low skew (250ps) outputs
• Input/output clock frequency up to 160 MHz
• Operating voltages of 3.0 to 5.5 V
• Non-inverting
• Ideal for networking clocks
• Output Enable mode tri-states outputs
• Full CMOS clock swings with 25mA drive
capability at TTL levels
• Advanced, low power CMOS process
Block Diagram
ICLK
Q1
Q2
Q3
Q4
Output Enable
MDS 551 B
1
Revision 091200
Printed 11/14/00
Integrated Circuit Systems, Inc.•525 Race Street•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax



ICST
ICST

ICS551 Datasheet Preview

ICS551 Datasheet

1 to 4 Clock Buffer

No Preview Available !

ICS551 pdf
PRELIMINARY INFORMATION
ICS551
1 to 4 Clock Buffer
Pin Assignment
ICLK
Q1
Q2
Q3
18
27
36
45
8 pin SOIC
OE
VDD
GND
Q4
Pin Descriptions
Number
1
2
3
4
5
6
7
8
Name
ICLK
Q1
Q2
Q3
Q4
GND
VDD
OE
Type
CI
O
O
O
O
P
P
I
Description
Clock input. Internal pull-up resistor.
Clock Output 1.
Clock Output 2.
Clock Output 3.
Clock Output 4.
Connect to ground.
Connect to +3.3 V or +5.0 V.
Output Enable. Tri-states outputs when low. Internal pull-up resistor.
Key: CI = clock input, I = input, O = output, P = power supply connection
External Components
A minimum number of external components are required for proper operation. A decoupling capacitor of
0.01 µF should be connected between VDD on pin 7 and GND on pin 6, and a 33 terminating resistor
may be used on each clock output if the trace is longer than 1 inch.
MDS 551 B
2
Revision 091200
Printed 11/14/00
Integrated Circuit Systems, Inc.•525 Race Street•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax


Part Number ICS551
Description 1 to 4 Clock Buffer
Maker ICST
Total Page 4 Pages
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