Datasheet AL58221 (Diodes) - 7

ManufacturerDiodes
Description12-Channel LED Driver with 12-bit APDM Control
Pages / Page26 / 7 — AL58221. Switching Characteristics. CHARACTERISTIC. SYMBOL. CONDITION. …
File Format / SizePDF / 861 Kb
Document LanguageEnglish

AL58221. Switching Characteristics. CHARACTERISTIC. SYMBOL. CONDITION. MIN. TYP. MAX. UNIT. www.diodes.com

AL58221 Switching Characteristics CHARACTERISTIC SYMBOL CONDITION MIN TYP MAX UNIT www.diodes.com

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AL58221 Switching Characteristics
(VDD = 5.0V @TA = +25°C, unless otherwise specified.) (Guarantee by design)
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
DCKI-to-DO tpLH1 ⎯ 29 39 DCKI-to-DCKO tpLH2 ⎯ 6.3 19 Propagation Delay (‘L to ‘H’) GCKI-to-GCKO tpLH3 ⎯ 10.5 19 DI-to-DO @ Internal-latch tpLH4 ⎯ 12 ⎯ control cycle DCKI-to-DO tpHL1 ⎯ 39 59 VIH = VDD Propagation Delay (‘H’ to ‘L’) DCKI-to-DCKO tpHL2 ⎯ VIL = GND 6.3 19 Rrext = 2340 GCKI-to-GCKO tpHL3 ⎯ 9 19 VL =5.0 V ns DCKI tw(DCK) RL = 150 50 ⎯ 7200 CL = 13 pF GCKI tw(GCK) 50 ⎯ ⎯ Pulse Duration DI @ Internal-latch twH control cycle (DI) 70 ⎯ ⎯ DI @ Internal-latch twL control cycle (DI) 230 ⎯ ⎯ Setup Time DI tsu(D) 10 ⎯ ⎯ Hold Time DI th(D) 10 ⎯ ⎯ DI Retiming @ Internal-latch control cycle Tw_re ⎯ 70 90 110 Internal-latch Start Time Tstart ⎯ 220 ⎯ ⎯ us Internal-latch Stop Time (Note 19) Tstop ⎯ 200 ⎯ ⎯ ns DCKI Freq. FDCKI ⎯ 0.07 ⎯ 10 MHz Internal OSC Freq. FOSC ⎯ 6.4 8.1 9.8 MHz GCKI Freq. FGCKI ⎯ ⎯ ⎯ 10 MHz Note: 19. Tstop (min.) for cascade application must > “200ns + N*10ns” (N is the cascade number of drivers) AL58221 7 of 26 April 2024 Document number: DS46476 Rev. 2 - 2
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