DS90UB903Q Datasheet, PDF (13/41 Pages) Texas Instruments – 10 - 43MHz 18 Bit Color FPD-Link III Serializer and Deserializer with Bidirectional Control Channel

Bidirectional Control Bus AC Timing Specifications (SCL, SDA) - I²C
Compliant (Figure 4)
Over recommended supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
RECOMMENDED INPUT TIMING REQUIREMENTS (Note 12)
f_SCL
t_LOW
t_HIGH
t_HD:STA
SCL Clock Frequency
SCL Low Period
SCL High Period
f_SCL = 100 kHz
Hold time for a start or a repeated start
condition
>0
100
4.7
4.0
4.0
t_SU:STA
Set Up time for a start or a repeated
start condition
4.7
t_HD:DAT Data Hold Time
t_SU:DAT Data Set Up Time
t_SU:STO Set Up Time for STOP Condition
t_r
SCL & SDA Rise Time
t_f
SCL & SDA Fall Time
C_b
Capacitive load for bus
SWITCHING CHARACTERISTICS (Note 11)
0
3.45
250
4.0
1000
300
400
Serializer MODE = 0 – R/W
100
Register 0x05 = 0x40'h
f_SCL
SCL Clock Frequency
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
100
t_LOW
SCL Low Period
Serializer MODE = 0 – R/W
Register 0x05 = 0x40'h
4.7
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
t_HIGH
SCL High Period
Serializer MODE = 0 – R/W
Register 0x05 = 0x40'h
4.0
Deserializer MODE = 0 – READ
Register 0x06 b[6:4] = 0x00'h
t_HD:STA
Hold time for a start or a repeated start Serializer MODE = 0
condition
Register 0x05 = 0x40'h
4.0
t_SU:STA
Set Up time for a start or a repeated Serializer MODE = 0
start condition
Register 0x05 = 0x40'h
4.7
t_HD:DAT Data Hold Time
0
3.45
t_SU:DAT Data Set Up Time
250
t_SU:STO Set Up Time for STOP Condition
Serializer MODE = 0
4.0
t_f
SCL & SDA Fall Time
300
t_BUF
Bus free time between a stop and start Serializer MODE = 0
condition
4.7
Serializer MODE = 1
1
t_TIMEOUT NACK Time out
Deserializer MODE = 1
Register 0x06 b[2:0]=111'b
25
Units
kHz
µs
µs
µs
µs
µs
ns
µs
ns
ns
pF
kHz
µs
µs
µs
µs
µs
ns
µs
ns
µs
ms
13
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