| 数据搜索系统,热门电子元器件搜索 |
|
STFPC320 数据表(PDF) 73 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
STFPC320 数据表(HTML) 73 Page - STMicroelectronics |
|
73 / 78 page ![]() STFPC320 Electrical characteristics 73/78 17.8 Switching characteristics Table 20. Switching characteristics (TA = -20 to +70 °C, VDD = 3.3V, VSS = -30V) Symbol Parameter Min Typ Max Units fSCL SCL clock frequency 0 400 kHz tLOW Clock low period 1.3 μs tHIGH Clock high period 600 ns tR SDA and SCL rise time 300 ns tF SDA and SCL fall time 300 ns tHD:STA START condition hold time (After this period the first clock pulse is generated) 600 ns tSU:STA START condition setup time (only relevant for a repeated start condition) 600 ns tSU:DAT Data setup time (1) 1. Transmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling edge of the SCL. 100 ns tHD:DAT Data hold time 0 μs tSU:STO STOP condition setup time 600 ns tBUF Time the bus must be free before a new transmission can start 1.3 μs trec Watchdog output pulse width 96 98 ms tUNMUTE Time delay of turning off MUTE after READY is set high 10 80 ns tMUTE Time delay of turning on MUTE before STBY is set high 10 80 ns Table 21. Switching characteristics (TA = -20 to +70 °C, VDD = 3.3V, VSS = -30V) Symbol Parameter Test conditiong Min. Typ. Max. Unit tOSC Oscillation frequency R = 33 k Ω ± 1% 430 500 565 kHz tPLZ Propagation delay time CLK -> SDA CL = 15pF, RL = 10kΩ 300 ns tPZL 100 ns tTZH1 Rise time CL = 300pF Seg1 to Seg12 2 μs tTZH2 Grid1 to Grid8, Seg13/Grid16 to Seg20/Grid9 0.5 μs tTHZ Fall time CL = 300pF, Segn, Gridn 120 μs CI Input capacitance 15 pF |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |