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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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BD37503FV-E2 Arkusz danych(PDF) 9 Page - Rohm |
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BD37503FV-E2 Arkusz danych(HTML) 9 Page - Rohm |
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9 / 32 page  9/28 Datasheet Datasheet BD37503FV TSZ02201-0V2V0E100000-1-2 © 2012 ROHM Co., Ltd. All rights reserved. 2013.07.12 Rev.002 www.rohm.co.jp TSZ22111・15・001 ｔBUF ：4us ｔHD;STA ：2us ｔHD;DAT ：1us ｔLOW ：3us ｔHIGH ：1us ｔSU;DAT ：1us ｔSU;STO ：2us SCL clock frequency：250kHz SCL SDA ●CONTROL SIGNAL SPECIFICATION (1) Electrical specifications and timing for bus lines and I/O stages Figure 14. Definition of timing on the I 2C-bus Table 1 Characteristics of the SDA and SCL bus lines for I 2C-bus devices Parameter Symbol Fast-mode I 2C-bus Unit MIN. MAX. 1 SCL clock frequency fSCL 0 400 kHz 2 Bus free time between a STOP and START condition tBUF 1.3 － μS 3 Hold time (repeated) START condition. After this period, the first clock pulse is generated tHD;STA 0.6 － μS 4 LOW period of the SCL clock tLOW 1.3 － μS 5 HIGH period of the SCL clock tHIGH 0.6 － μS 6 Set-up time for a repeated START condition tSU;STA 0.6 － μS 7 Data hold time tHD;DAT 0 － μS 8 Data set-up time tSU; DAT 100 － ns 9 Set-up time for STOP condition tSU;STO 0.6 － μS All values referred to VIH min. and VIL max. Levels (see Table 2). About 7(tHD;DAT), 8(tSU;DAT), please make setup which has enough margin. Table 2 Characteristics of the SDA and SCL I/O stages for I 2C-bus devices Item Symbol Fast-mode I 2C-bus Unit MIN. MAX. 10 LOW level input voltage: In case an input level is fixed VIL -0.5 1 V 11 HIGH level input voltage: In case an input level is fixed VIH 2.3 - V 12 Pulse width of spikes which must be suppressed by the input filter. tSP 0 50 ns 13 LOW level output voltage(open drain or open collector): at 3mA sink current VOL1 0 0.4 V 14 Input current each I/O pin with an input voltage between 0.4V and 0.9V. Ii -10 10 μA SDA S SCL tLOW tR tHD;DAT P tHD;STA tHIGH tBUF tF tSU;DAT tSU;STA tSU;STO tSP tHD;STA Sr P Figure 15. A command timing example in the I2C data transmission |
Podobny numer części - BD37503FV-E2 |
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Podobny opis - BD37503FV-E2 |
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