FAN54015 datasheet(9/34 Pages) FAIRCHILD

No. de pieza	FAN54015

Descripción Electrónicos	USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator

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Fabricante Electrónico	FAIRCHILD [Fairchild Semiconductor]

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FAN54015 • Rev. 1.0.0

9

I

2C Timing Specifications

Guaranteed by design.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

tFDA

SDA Fall Time

Standard Mode

20+0.1CB

300

ns

Fast Mode

20+0.1CB

300

High-Speed Mode, CB < 100 pF

10

80

High-Speed Mode, CB < 400 pF

20

160

tSU;STO

Stop Condition Setup Time

Standard Mode

4

s

Fast Mode

600

ns

High-Speed Mode

160

ns

CB

Capacitive Load for SDA, SCL

400

pF

Timing Diagrams

Figure 4. I

2C Interface Timing for Fast and Slow Modes

Figure 5. I

2C Interface Timing for High-Speed Mode

START

REPEATED

START

SCL

SDA

t

F

t

HD;STA

t

LOW

t

R

t

HD;DAT

t

HIGH

T

SU;DAT

t

SU;STA

t

HD;STO

t

BUF

START

STOP

t

HD;STA

REPEATED

START

SCLH

SDAH

t

FDA

t

LOW

t

RCL1

t

HD;DAT

t

HIGH

t

SU;STO

REPEATED

START

t

RDA

t

FCL

t

SU;DAT

t

RCL

STOP

= MCS Current Source Pull-up

= R

P Resistor Pull-up

note A

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

t

HD;STA

t

SU;STA

Número de pieza similar - FAN54015

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Descripción similar - FAN54015

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FAN54015 Datasheet(PDF) 9 Page - Fairchild Semiconductor

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