IDT5V991A-5 Integrated Device Technology, IDT5V991A-5 Datasheet
IDT5V991A-5
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IDT5V991A-5 Summary of contents
Page 1
... Excellent for DSP applications • Synchronous output enable • Output frequency: 3.75MHz to 85MHz • 2x, 4x, 1/2, and 1/4 outputs • 3 skew grades: IDT5V991A-2: t <250ps SKEW0 IDT5V991A-5: t <500ps SKEW0 IDT5V991A-7: t <750ps SKEW0 • 3-level inputs for skew and PLL range control • PLL bypass for DC testing • ...
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... IDT5V991A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK PIN CONFIGURATION /PE CCQ PLCC TOP VIEW PIN DESCRIPTION Pin Name Type Description REF I N Reference Clock Input ...
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... IDT5V991A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK EXTERNAL FEEDBACK By providing external feedback, the IDT5V991A 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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... H R Reference Clock Input EF NOTE: 1. Where pulse width implied less than t H COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES IDT5V991A-2, -5, -7 Min. 3 -40 Conditions Guaranteed Logic HIGH (REF, FB Inputs Only) Guaranteed Logic LOW (REF, FB Inputs Only) 3-Level Inputs Only 3-Level Inputs Only ...
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... U = 0pF; for C = 30pF 0.35ns Max. L SKEW0 delay), Inverted (4Q and 4Q only with within specified limits IDT5V991A-5 IDT5V991A-7 Min. Typ. Max. Min. Typ. 3 — — 3 — 3 — — 3 — See Control Summary Table — ...
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... IDT5V991A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TEST LOADS AND WAVEFORMS COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Ω 150 O utput Ω 150 Test Load t OR ISE LVTTL Output Waveform ≤ 1ns 3.0V 2.0V Vth = 1.5V 0.8V 0V LVTTL Input Test Waveform 6 20pF t O FALL ≤ ...
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... IDT5V991A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK AC TIMING DIAGRAM IVID IVID 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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... IDT5V991A 3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK ORDERING INFORMATION XXXXX XX X IDT Package Process Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES Blank Commercial (0°C to +70°C) I Industrial (-40°C to +85°C) Rectangular Plastic Leaded Chip Carrier ...