HT1632C datasheet - Adafruit

HT1632CA.C. CharacteristicsV DD =2.4V~5.5V, Ta=25C (Unless otherwise specified)SymbolParameterV DDTest ConditionsConditionsMin. Typ. Max. Unitf SYS System Clock 5V On-chip RC oscillator 230 256 282 kHzf LEDLED Duty Cycle & FrameFrequency5V 1/8 duty f SYS /2624 Hz5V 1/16 duty f SYS /2624 Hzf CLK1 Serial Data Clock (WR pin) 5V Duty cycle 50% 1 MHzf CLK2 Serial Data Clock (RD pin) 5V Duty cycle 50% 500 kHzt CSSerial Interface Reset PulseWidth CS 250 nst CLK WR, RDInput Pulse Width 5Vt r ,t ft sut ht su1t h1t odRise/Fall Time Serial DataClock Width (Figure 1)Setup Time for DATA to WR,RD Clock Width (Figure 2)Hold Time for DATA to WR,RD,Clock Width (Figure 2)Setup Time for CS to WR, RD,Clock Width (Figure 3)Hold Time for CS to WR, RD,Clock Width (Figure 3)Data Output Delay Time(Figure 4)Write mode 0.5 Read mode 1.0 50 100 ns 50 100 ns 100 200 ns 200 300 ns 100 200 ns 100 200 nss9 4 4 ,+ ? JBJH8 , ,' # / ,J+ J+ , ) 6 )8 = E @ , = J =# JI KJD8 , ,/ ,Figure 19 4+ ? # 8 , ,/ ,Figure 2+ 59 4 4 ,+ ? J+ 5# JI K JD # . E H I J + ? = I J + ? 8 , ,/ ,8 , ,/ ,, ) 6 )4 ,J @# Figure 48 , ,/ ,8 , ,/ ,Figure 3Rev. 1.20 4 June 28, 2011