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IDT74FCT88915TT70J Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT74FCT88915TT70J Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 11 page IDT54/74FCT88915TT 55/70/100/133 LOW SKEW PLL-BASED CMOS CLOCK DRIVER MILITARY AND COMMERCIAL TEMPERATURE RANGES 9.7 2 PIN CONFIGURATIONS PIN DESCRIPTION 3072 tbl 01 Pin Name I/O Description SYNC(0) I Reference clock input. SYNC(1) I Reference clock input. REF_SEL I Chooses reference between SYNC (0) & SYNC (1). (Refer to functional block diagram). FREQ_SEL I Selects between ÷1 and ÷2 frequency options. (Refer to functional block diagram). FEEDBACK I Feedback input to phase detector. LF I Input for external loop filter connection. Q0-Q4 O Clock output. Q5 O Inverted clock output. 2Q O Clock output (2 x Q frequency). Q/2 O Clock output (Q frequency ÷ 2). LOCK O Indicates phase lock has been achieved (HIGH when locked). OE/RST I Asynchronous reset (active LOW) and output enable (active HIGH). When HIGH, outputs are enabled. When LOW, outputs are in HIGH impedance. PLL_EN I Disables phase-lock for low frequency testing. (Refer to functional block diagram). Q/2 GND Q3 VCC Q2 GND LOCK 25 24 23 22 21 20 19 FEEDBK REF_SEL SYNC(0) VCC(AN) LF GND(AN) SYNC(1) 5 6 7 8 9 10 11 12 13 14 15 16 17 18 J28-1, L28-1 28 4 3 2 1 27 26 3072 drw 02 5 6 7 8 9 10 VCC OE/RST FEEDBACK 1 2 3 4 20 19 18 17 16 15 14 13 Q4 12 11 GND Q/2 REF_SEL SYNC(0) VCC(AN) LF VCC GND Q3 VCC Q2 GND GND(AN) LOCK Q5 2Q SO28-7 21 22 23 24 SYNC(1) FREQ_SEL GND Q0 VCC Q1 GND PLL_EN 25 26 27 28 3072 drw 03 SSOP TOP VIEW PLCC/LCC TOP VIEW |
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