IDT5991A-5 Integrated Device Technology, IDT5991A-5 Datasheet
IDT5991A-5
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IDT5991A-5 Summary of contents
Page 1
... Synchronous output enable • Output frequency: 3.75MHz to 100MHz • 2x, 4x, 1/2, and 1/4 outputs • 5V with TTL outputs • 3 skew grades: IDT5991A-2: t <250ps SKEW0 IDT5991A-5: t <500ps SKEW0 IDT5991A-7: t <750ps SKEW0 • 3-level inputs for skew and PLL range control • PLL bypass for DC testing • ...
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... IDT5991A PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK PIN CONFIGURATION /PE 8 CCQ V 9 CCN GND 12 GND PLCC TOP VIEW PIN DESCRIPTION Pin Name Type Description REF I N Reference Clock Input ...
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... IDT5991A PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK EXTERNAL FEEDBACK By providing external feedback, the IDT5991A gives users flexibility with regard to skew adjustment. The FB signal is compared with the input REF signal at the phase detector in order to drive the VCO. Phase differences cause the VCO of the PLL to adjust upwards or downwards accordingly ...
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... Dynamic Power Supply Current per Output CCD I Total Power Supply Current TOT NOTE: 1. For eight outputs, each loaded with 30pF. COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES IDT5991A-5, -7 (Industrial) Min. 4.5 -40 Conditions Guaranteed Logic HIGH (REF, FB Inputs Only) Guaranteed Logic LOW (REF, FB Inputs Only) ...
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... Max. L SKEW0 delay), Inverted (4Q and 4Q only with within specified limits Min. Max. — — 3.75 100 IDT5991A-5 IDT5991A-7 Min. Typ. Max. Min. Typ. 3 — — 3 — 3 — — 3 — See Control Summary Table — 0.1 0.25 — 0.1 — ...
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... IDT5991A PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TEST LOADS AND WAVEFORMS COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES V CC 130 Ω Output 91 Ω 50pF (C = 30pF for -2 and -5 devices Test Load t ORISE t PWH 2.0V t PWL 0.8V TTL Output Waveform ≤1ns 3.0V 2.0V Vth = 1.5V 0.8V 0V TTL Input Test Waveform ...
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... IDT5991A PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TIMING DIAGRAM REF OTHER Q INVERTED Q REF DIVIDED BY 2 REF DIVIDED BY 4 NOTES: V /PE: The AC Timing Diagram applies to V CCQ CCQ negative edge of REF, and the positive edges of the divide-by-2 and the divide-by-4 signals align. ...
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... IDT5991A PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK ORDERING INFORMATION IDT XXXXX XX X Package Process Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Commercial (0°C to +70°C) Blank Industrial (-40°C to +85° Rectangular Plastic Leaded Chip Carrier ...