DS90UB921-Q1 Datasheet, PDF (10/57 Pages) Texas Instruments – 5 - 96 MHz 24-bit Color FPD-Link III Serializer with Bidirectional Control Channel

DS90UB921-Q1
SNLS488 – MARCH 2016
6.9 Recommended Timing for the Serial Control Bus
Over 3.3-V supply and temperature ranges unless otherwise specified.
ƒ_SCL
t_LOW
t_HIGH
t_HD;STA
t_SU:STA
t_HD;DAT
t_SU;DAT
t_SU;STO
t_BUF
t_r
t_f
t_sp
SCL clock frequency
SCL low period
SCL high period
Hold time for a start or a
repeated start condition,
see Figure 10
Set-up time for a start or a
repeated start condition,
see Figure 10
Data hold time, see
Figure 10
Data set-up time, see
Figure 10
Set-up time for STOP
condition,
See Figure 10
Bus free time
between STOP and
START,
SeeFigure 10
SCL and SDA rise time,
See Figure 10
SCL and SDA fall time,
See Figure 10
Input filter
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
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MIN
TYP
MAX
UNIT
0
100
kHz
0
400
kHz
4.7
µs
1.3
µs
4
µs
0.6
µs
4
µs
0.6
µs
4.7
µs
0.6
µs
0
0.615
3.45
µs
0
0.615
0.9
µs
250
0.56
ns
100
0.56
ns
4
µs
0.6
µs
4.7
µs
1.3
µs
430
1000
ns
200
300
ns
20
300
ns
20
300
ns
50
ns
DIN[23:0], ³⁰
HS,VS,DE,
I2S
PCLK
DOUT+
D
DOUT-
0.1 PF
100:
0.1 PF
Differential probe
Input Impedance û 100
k:
C_L ú 0.5 pF
BW û 3.5 GHz
SCOPE
BW û 4 GHz
(D_OUT+) - (D_OUT-)
0V
V_OD
Figure 1. Serializer Differential V_OD DC Output
10
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