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ICS8752 датащи(PDF) 10 Page - Integrated Device Technology |
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ICS8752 датащи(HTML) 10 Page - Integrated Device Technology |
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10 / 14 page ![]() 8752CY www.idt.com REV. C JULY 2, 2010 10 ICS8752 LOW SKEW, 1-TO-8 LVCMOS CLOCK MULTIPLIER/ZERO DELAY BUFFER RELIABILITY INFORMATION TRANSISTOR COUNT The transistor count for ICS8752 is: 1546 TABLE 7. θ JA VS . AIR FLOW TABLE FOR 32 LEAD LQFP θθθθθ JA by Velocity (Linear Feet per Minute) 0 200 500 Single-Layer PCB, JEDEC Standard Test Boards 67.8°C/W 55.9°C/W 50.1°C/W Multi-Layer PCB, JEDEC Standard Test Boards 47.9°C/W 42.1°C/W 39.4°C/W NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs. INPUTS: CLK INPUT: For applications not requiring the use of a clock input, it can be left floating. Though not required, but for additional protection, a 1k Ω resistor can be tied from the CLK input to ground. LVCMOS CONTROL PINS: All control pins have internal pull-ups or pull-downs; additional resistance is not required but can be added for additional protection. A 1k Ω resistor can be used. RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS OUTPUTS: LVCMOS OUTPUT: All unused LVCMOS output can be left floating. We recommend that there is no trace attached. APPLICATION INFORMATION |
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