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DS90UB925Q Datasheet, PDF (8/41 Pages) Texas Instruments – 5 - 85 MHz 24-bit Color FPD-Link III Serializer with Bidirectional Control Channel
DS90UB925Q
Symbol
Parameter
Conditions
Pin/Freq. Min Typ Max Units
SUPPLY CURRENT
IDD1
IDDIO1
Supply Current
(includes load current)
RL = 100Ω, f = 85MHz
VDD33= 3.6V VDD33
Checker Board
Pattern,
VDDIO = 3.6V
Figure 2
VDDIO =
VDDIO
1.89V
148 170 mA
90
180
μA
1
1.6 mA
IDDS1
IDDIOS1
Supply Current Remote Auto
Power Down Mode
0x01[7] = 1,
deserializer is
powered down
VDD33 = 3.6V VDD33
VDDIO = 3.6V
VDDIO =
VDDIO
1.89V
1.2
2.4 mA
65
150
μA
55
150
μA
IDDS2
IDDIOS2
Supply Current Power Down
PDB = L, All
LVCMOS
inputs are
floating or tied
to GND
VDD33 = 3.6V VDD33
VDDIO = 3.6V
VDDIO =
1.89V
VDDIO
1
2
mA
65
150
μA
50
150
μA
AC Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified. (Note 2, Note 3, Note 4)
Symbol
Parameter
Conditions
Pin/Freq. Min Typ Max
GPIO BIT RATE
Forward Channel Bit Rate
BR
Back Channel Bit Rate
(Note 8, Note 9)
f = 5 – 85
MHz
GPIO[3:0]
0.25* f
75
RECOMMENDED TIMING FOR PCLK
tTCP
tCIH
tCIL
tCLKT
PCLK Period
PCLK Input High Time
PCLK Input Low Time
PCLK Input Transition Time
Figure 3 (Note 8, Note 9)
(Note 8, Note 9)
PCLK
f = 5 MHz
f = 85 MHz
11.76
0.4*T
0.4*T
4.0
0.5
T
0.5*T
0.5*T
200
0.6*T
0.6*T
tIJIT
PCLK Input Jitter Tolerance, f / 40 < Jitter Freq < f / 20
Bit Error Rate ≤10-10
(Note 10, Note 8)
f=5–
78MHz
0.4
0.6
SWITCHING CHARACTERISTICS
tLHT
CML Output Low-to-High
Transition Time
See Figure 1, Figure 4
tHLT
CML Output High-to-Low
Transition Time
DOUT+,
DOUT-
80
130
80
130
tDIS
Data Input Setup to PCLK
See Figure 5
tDIH
Data Input Hold from PCLK
DIN[23:0], 2.0
HS, VS, DE,
PCLK,
I2S_CLK,
I2S_WC,
2.0
I2S_DA,
I2S_DB
tPLD
Serializer PLL Lock Time
Figure 6 (Note 5)
f = 5 – 85
MHz
131*T
tSD
Delay — Latency
f = 5 – 85
MHz
145*T
Output Total Jitter,
RL = 100Ω
tTJIT
Bit Error Rate ≥10-10
f = 85MHz, LFMODE = L
Figure 7 (Note 6, Note 8, Note RL = 100Ω
DOUT+,
DOUT-
9)
f = 5MHz, LFMODE = H
0.25 0.30
0.25 0.30
Units
Mbps
kbps
ns
ns
ns
ns
ns
UI
ps
ps
ns
ns
ns
ns
UI
UI
8
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