전자부품 데이터시트 검색엔진 |
|
BD3823FV 데이터시트(PDF) 3 Page - Rohm |
|
BD3823FV 데이터시트(HTML) 3 Page - Rohm |
3 / 9 page 3/8 Timing chart Electrical specifications and timing of bus lines and I/O stages Fig.1Timing Definition on I 2C BUS Table 1 . Characteristics of the SDA and SCL BUS lines for I 2C BUS devices High speed mode I 2C BUS Parameter Symbol Min. Max. Unit 1 SCL clock frequency fSCL 0 400 kHz 2 Bus free time between a STOP and START condition tBUF 1.3 - s 3 Hold time (repeated) START condition. After this period, the first clock pulse is generated tHD;STA 0.6 - s 4 LOW period of the SCL clock tLOW 1.3 - s 5 HIGH period of the SCL clock tHIGH 0.6 - s 6 Set-up time for a repeated START condition tSU;STA 0.6 - s 7 Data hold time tHD;DAT 0* - s 8 Data set-up time tSU; DAT 100 - ns 9 Rise time of both SDA and SCL signals tR 20+Cb 300 ns 10 Fall time of both SDA and SCL signals tF 20+Cb 300 ns 11 Set-up time for STOP condition tSU;STO 0.6 - s 12 Capacitive load for each bus line Cb - 400 pF The above numerical values all correspond to VIH min and VIL max levels (see Table 2). *The input signals must internally provide at least 300 ns hold-time for SDA signals (at VIH min of SCL signals) in order to cross over undefined region at the fall-end of SCL. Table 2. Characteristics of the SDA and SCL I/O stages for I 2C BUS devices High speed mode I2C BUS Parameter Symbol Min. Max. Unit 13 Low-level input voltage : fixed input levels VIL -0.5 1.0 V 14 Low-level input voltage : fixed input levels VIH 2.3 - s 15 Hysteresis of Schmitt trigger inputs: fixed input levels Vhys n/a n/a V 16 Pulse width of spikes which must be suppressed by the input filter. tSP 0 50 ns 17 Low-level output voltage (open drain): at 3mA sink current VOL1 0 0.4 V 18 Output fall time from VIHmin. to VIHmax. with a bus capacitance from 10 pF to 400pF: with up to 3mA sink current at VOL1 tOF 20+0.1Cb 250 ns 19 Input current each I/O pin with an input voltage between 0.4V and 0.9 VCCmax. Ii -10 10 A 20 Capacitance for each I/O pin Ci - 10 pF n/a = not applicable |
유사한 부품 번호 - BD3823FV |
|
유사한 설명 - BD3823FV |
|
|
링크 URL |
개인정보취급방침 |
ALLDATASHEET.CO.KR |
ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ] |
Alldatasheet는? | 광고문의 | 운영자에게 연락하기 | 개인정보취급방침 | 링크교환 | 제조사별 검색 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 |