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SM5819HQF Folha de dados(PDF) 6 Page - Nippon Precision Circuits Inc |
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SM5819HQF Folha de dados(HTML) 6 Page - Nippon Precision Circuits Inc |
6 / 18 page SM5819HQF NIPPON PRECISION CIRCUITS INC.—6 AC Electrical Characteristics VDDH = 3.0 to 3.6V, VDDL = 2.3 to 2.7V, VSS = 0V, TOPR = –40 to 85°C, fs = 44.1kHz unless otherwise noted. When DSBCK and PLRCK clocks are supplied by external clock input, their frequencies are related to the MCK input frequency by the following frequency divider ratios. (DSBCK) cycle = 8 × MCK cycle (64fs) (PLRCK) cycle [4fs mode] = 128 × MCK cycle (4fs) (PLRCK) cycle [2fs mode] = 256 × MCK cycle (2fs) (PLRCK) cycle [fs mode] = 512 × MCK cycle (fs) System clock I MCK pin External system clock I EXIMCK pin Parameter Symbol Rating Unit min typ max "H"-level pulsewidth tMCWH 13 – – ns "L"-level pulsewidth tMCWL 13 – – ns Pulse cycle tMCY 40 44.29 (1/512fs) – ns Rise/fall time tr , tf – – 10 ns Parameter Symbol Rating Unit min typ max "H"-level pulsewidth tECWH 13 – – ns "L"-level pulsewidth tECWL 13 – – ns Pulse cycle tECY 40 – – ns Rise/fall time ter , tef – – 10 ns 0.9VDDH MCK tr tf tMCWH tMCWL tMCY 0.5VDDH 0.1VDDH 0.9VDDH EXIMCK ter tef tECWH tECWL tECY 0.5VDDH 0.1VDDH |
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