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ICS552AR-01T Datasheet(PDF) 1 Page - Integrated Circuit Systems |
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ICS552AR-01T Datasheet(HTML) 1 Page - Integrated Circuit Systems |
1 / 10 page ICS552A-01 MDS 552A-01 B 1 Revision 010906 Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com Oscillator, Multiplier, and Buffer with 8 Outputs Description The ICS552A-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 ICS’ 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: 1) ICS552A-01 (A mode) — an Oscillator mutiplier 2) ICS552A-01 (B mode) — a Dual 1:4 buffer 3) ICS552A-01 (C mode) — a 1:8 Oscillator buffer Features (all) • Packaged as 20-pin SSOP (QSOP) • Pb-free packaging available • Operating voltages of 3.0 V to 5.5 V • Industrial temperature available Features (specific) ICS552A-01 (for A mode) • Contains on-chip multiplier with selections of x1, x1.33, x2, x2.66, x3, x3.33, x4, x4.66, x5, and x6 • Power-down and Tri-state modes ICS552A-01 (for B mode) • 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 ICS552A-01 (for C mode) • Use with 25 MHz crystal for networking • Use with 27 MHz crystal for MPEG ICS552A-01 (for A and C modes) • Input frequency of 10.0 to 27.0 MHz • Provides 8 low-skew outputs (<250 ps) • Output clock duty cycle of 40/60 at 3.3 V Block Diagram (ICS552A-01—A mode) Crystal Buffer/ Crystal Oscillator GND VDD PLL Multiplier S3:S0 CLK1 CLK8 CLK7 CLK6 CLK5 CLK4 CLK3 CLK2 4 X2 10.0 to 27.0 MHz crystal or clock input External capacitors are required with a crystal input. X1 |
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