ADM1275-1ACPZ-R7 datasheet(7/48 Pages) AD

Il numero della parte	ADM1275-1ACPZ-R7

Spiegazioni elettronici	Hot-Swap Controller and Digital Power

PDF	48 Pages

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Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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7 / 48 page

Data Sheet

ADM1275

Rev. D | Page 7 of 48

SERIAL BUS TIMING CHARACTERISTICS

tR = (VIL(MAX) – 0.15) to (VIH3V3 + 0.15) and tF = 0.9VDD to (VIL(MAX) – 0.15); where VIH3V3 = 2.1 V and VDD = 3.3 V.

Table 2.

Parameter

Description

Min

Typ

Max

Unit

Test Conditions/Comments

fSCLK

Clock frequency

400

kHz

tBUF

Bus free time

1.3

µs

Following the stop condition of a read transaction

4.7

µs

Following the stop condition of a write transaction

tHD;STA

Start hold time

0.6

µs

tSU;STA

Start setup time

0.6

µs

tSU;STO

Stop setup time

0.6

µs

tHD;DAT

SDA hold time

300

900

tSU;DAT

SDA setup time

100

tLOW

SCL low time

1.3

µs

tHIGH

SCL high time

0.6

µs

SCL, SDA rise time

300

SCL, SDA fall time

300

Timing Diagram

tLOW

tBUF

tHD;DAT

tSU;DAT

tSU;STA

tHD;STA

tHIGH

tSU;STO

VIH

VIL

VIH

VIL

SCL

SDA

Figure 2. Serial Bus Timing Diagram

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