Datasheet AL58221 (Diodes) - 8

ManufacturerDiodes
Description12-Channel RGB LED Driver
Pages / Page26 / 8 — AL58221. Switching Characteristics. Switching Characteristics Test …
File Format / SizePDF / 861 Kb
Document LanguageEnglish

AL58221. Switching Characteristics. Switching Characteristics Test Circuit. VDD. Rrext. www.diodes.com

AL58221 Switching Characteristics Switching Characteristics Test Circuit VDD Rrext www.diodes.com

Model Line for this Datasheet

Text Version of Document

AL58221 Switching Characteristics
(VDD = 3.3V @TA = +25°C, unless otherwise specified.) (Guarantee by design) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT DCKI-to-DO tpLH1 ⎯ 34 39 DCKI-to-DCKO tpLH2 ⎯ 7.9 19 Propagation Delay (‘L to ‘H’) GCKI-to-GCKO tpLH3 ⎯ 12 19 DI-to-DO @ Internal-latch tpLH4 ⎯ 18 ⎯ control cycle DCKI-to-DO tpHL1 ⎯ 40 59 VIH = VDD Propagation Delay (‘H’ to ‘L’) DCKI-to-DCKO tpHL2 ⎯ VIL = GND 8.2 19 Rrext = 2340 GCKI-to-GCKO tpHL3 ⎯ 10.5 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 ⎯ 90 110 130 Internal-latch Start Time Tstart ⎯ 220 ⎯ ⎯ us Internal-latch Stop Time (Note 20) Tstop ⎯ 200 ⎯ ⎯ ns DCKI Freq. FDCKI ⎯ 0.07 ⎯ 10 MHz Internal OSC Freq. FOSC ⎯ 6.25 7.95 9.65 MHz GCKI Freq. FGCKI ⎯ ⎯ ⎯ 10 MHz Note: 20. Tstop (min.) for cascade application must > “200ns + N*10ns” (N is the cascade number of drivers)
Switching Characteristics Test Circuit VL VDD RL
OUTn REXT
Rrext
DO
CL CL
Switching Characteristics Test Circuit AL58221 8 of 26 April 2024 Document number: DS46476 Rev. 2 - 2
www.diodes.com
© 2024 Copyright Diodes Incorporated. All Rights Reserved.