AV-51002
2017.02.10
I2C Timing Characteristics
1-69
Figure 1-15: MDIO Timing Diagram
MDC
Td
MDIO_OUT
Th
Tsu
MDIO_IN
I2C Timing Characteristics
Table 1-59: I2C Timing Requirements for Arria V Devices
Standard Mode
Fast Mode
Symbol
Description
Unit
Max
Min
Max
—
Min
2.5
0.6
1.3
0.1
0
Tclk
Serial clock (SCL) clock period
SCL high time
10
4.7
4
—
—
—
—
0.9
0.2
—
—
—
µs
µs
µs
µs
µs
µs
µs
µs
µs
Tclkhigh
Tclklow
Ts
—
SCL low time
—
Setup time for serial data line (SDA) data to SCL
Hold time for SCL to SDA data
0.25
0
—
Th
3.45
0.2
—
Td
SCL to SDA output data delay
—
4.7
4
—
Tsu_start
Thd_start
Tsu_stop
Setup time for a repeated start condition
Hold time for a repeated start condition
Setup time for a stop condition
0.6
0.6
0.6
—
4
—
Arria V GX, GT, SX, and ST Device Datasheet
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