FAN54040UCX データシートの表示（PDF） - Fairchild Semiconductor

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FAN54040UCX

USB-OTG, 1.55 A, Li-Ion Switching Charger with Power Path and 2.3 A Production Test Support

Fairchild Semiconductor 

Timing Diagrams

tF

SDA

SCL

tHD;STA

START

tR

tLOW

tSU;STA

tHIGH

TSU;DAT

tHD;DAT

tHD;STA

REPEATED

START

Figure 5. I2C Interface Timing for Fast and Slow Modes

tBUF

tHD;STO

STOP

START

tFDA

tRDA

tSU;DAT

SDAH

tSU;STA

tRCL1

tFCL

tRCL

SCLH

tHD;STA

tLOW

tHIGH

tHD;DAT

REPEATED

START

note A

REPEATED

START

STOP

tSU;STO

= MCS Current Source Pull-up

= RP Resistor Pull-up

Note A: First rising edge of SCLH after Repeated Start and after each ACK bit.

Figure 6. I2C Interface Timing for High-Speed Mode

© 2012 Fairchild Semiconductor Corporation

FAN54040 – FAN54047 • Rev. 1.0.2

11

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