Data Sheet
AD9523
Parameter
SCL, SDA Fall Time, tFALL
Data Setup Time, tSET; DAT
Data Hold Time, tHLD; DAT
Capacitive Load for Each Bus Line, CB1
Min
Typ Max
20 + 0.1 CB1
300
100
100
880
400
Unit Test Conditions/Comments
ns
ns
ns
This is a minor deviation from the original I²C
specification of 0 ns minimum2
pF
1 CB is the capacitance of one bus line in picofarads (pF).
2 According to the original I2C specification, an I2C master must also provide a minimum hold time of 300 ns for the SDA signal to bridge the undefined region of the SCL
falling edge.
Rev. C | Page 11 of 60