DATASHEET
ICS552-01
OSCILLATOR, MULTIPLIER, AND BUFFER WITH 8 OUTPUTS
Description
ICS552-01 (for B mode)
The ICS552-01 produces 8 low-skew copies of the
multiple input clock or fundamental, parallel-mode
crystal. Unlike other clock drivers, these parts do not
require a separate oscillator for the input. Using IDT’s
patented Phase-Locked Loop (PLL) to multiply the input
frequency, it is ideal for generating and distributing
multiple high-frequency clocks. This is a single chip
used for 3 different applications:
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• Up to 200 MHz clock input/output at 3.3 V
• Low skew of 250 ps maximum for any bank of four
• Inputs can be connected together for a 1 to 8 buffer
with 250 ps skew between any outputs
Non-inverting buffer mode
Ideal for clock networks
Output Enable mode tri-states outputs
Full CMOS output swing with 25 mA output drive
capability at TTL levels
Advanced, low power, sub-micron CMOS process
1) ICS552-01 (A mode) — an Oscillator mutiplier
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2) ICS552-01 (B mode) — a Dual 1:4 buffer
ICS552-01 (for C mode)
3) ICS552-01 (C mode) — a 1:8 Oscillator buffer
• Use with 25 MHz crystal for networking
• Use with 27 MHz crystal for MPEG
Features (all)
ICS552-01 (for A and C modes)
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• Input frequency of 10.0 to 27.0 MHz
• Provides 8 low-skew outputs (
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