FMS6502 Datasheet, PDF (6/13 Pages) Fairchild Semiconductor – 8-Input, 6-Output Video Switch Matrix with Output Drivers, Input Clamp, and Bias Circuitry

I²C BUS Characteristics
T_A = 25°C, V_cc = 5V unless otherwise noted.
Symbol
V_il
V_ih
f_SCL
tr
Parameter
Digital Input Low¹
Digital Input High¹
Clock Frequency
Input Rise Time
Conditions
SDA,SCL,ADDR
SDA,SCL,ADDR
SCL
1.5V to 3V
tf
Input Fall Time
1.5V to 3V
t_low
t_high
t_SU,DAT
t_HD,DAT
t_SU,STO
t_BUF
t_HD,STA
t_SU,STA
Clock Low Period
Clock High Period
Data Set-up Time
Data Hold Time
Set-up Time from Clock High to Stop
Start Set-up Time following a Stop
Start Hold Time
Start Set-up Time following Clock Low to High
Note:
1. 100% tested at 25°C.
Min.
0
3.0
Typ.
100
1000
300
4.7
4.0
300
0
4
4.7
4
4.7
Max.
1.5
V_cc
Unit
V
V
kHz
ns
ns
µs
µs
ns
ns
µs
µs
µs
µs
SDA
SCL
SDA
tBUF
tLOW
tHD,STA
tr
tf
tHD,DAT tHIGH
tSU,DAT
tSU,STA
tSU,STO
Figure 3. I²C Bus Timing
© 2006 Fairchild Semiconductor Corporation
FMS6502 Rev. 1.0.0
6
www.fairchildsemi.com