DS90C387R_15 Datasheet, PDF (6/32 Pages) Texas Instruments – Dual 12-Bit Double Pumped Input LDI Transmitter - VGA/UXGA

DS90C387R
SNLS062G – NOVEMBER 2000 – REVISED JANUARY 2014
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DIGITAL SWITCHING CHARACTERISTICS for Two-Wire Serial Communication Interface
Unless otherwise noted, below specifications apply for V_CC=+3.3V, load capacitance on output lines = 80 pF. Load
capacitance on output lines can be up to 400 pF provided that external pull-up switch is on board. The following parameters
are the timing relationships between SCL and SDA signals related to the DS90C387R.
Symbol
Parameter
Min
Typ
Max
Unit
t₁
SCL (Clock) Period
t₂
Data in Set-Up Time to SCL High
t₃
Data Out Stable after SCL Low
t₄
SDA Low Set-Up Time to SCL Low (Start Condition)
t₅
SDA High Hold Time after SCL High (Stop Condition)
2.5
μs
100
ns
0
ns
100
ns
100
ns
AC Timing Diagrams
Figure 2. Two-Wire Serial Communication Interface Timing Diagram when I2CSEL = Vcc
6
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