AD8155 查看數據表（PDF） - Analog Devices

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AD8155

XStream™ 6.5 Gbps Dual Buffer Mux/Demux

Analog Devices 

AD8155

I2C TIMING SPECIFICATIONS

SDA

tF

tLOW

tR

tSU;DAT

tF

tHD;STA

tR

tBUF

SCL

tHD;STA

S

NOTES

1. S = START CONDITION.

2. Sr = REPEAT START.

3. P = STOP.

tHD;DAT

tHIGH

Table 2. I2C Timing Parameters

Parameter

SCL Clock Frequency

Hold Time for a Start Condition

Setup Time for a Repeated Start Condition

Low Period of the SCL Clock

High Period of the SCL Clock

Data Hold Time

Data Setup Time

Rise Time for Both SDA and SCL

Fall Time for Both SDA and SCL

Setup Time for Stop Condition

Bus Free Time Between a Stop and a Start Condition

Bus Free Time After a Reset

Reset Pulse Width

Capacitance for Each I/O Pin

tSU;STA

Sr

Figure 2. I2C Timing Diagram

tSU;STO

P

Symbol

fSCL

tHD;STA

tSU;STA

tLOW

tHIGH

tHD;DAT

tSU;DAT

tR

tF

tSU;STO

tBUF

Ci

Min

0

0.6

0.6

1.3

0.6

0

10

1

1

0.6

1

1

10

5

S

Max

400+

300

300

7

Unit

kHz

μs

μs

μs

μs

μs

ns

ns

ns

μs

μs

μs

ns

pF

Rev. 0 | Page 5 of 36

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