DS90UB913A-Q1 Datasheet, PDF (11/51 Pages) Texas Instruments – 25-MHz to 100-MHz 10/12-Bit FPD-Link III Serializer

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DS90UB913A-Q1
SNLS443C – MAY 2013 – REVISED APRIL 2016
7.7 AC Timing Specifications (SCL, SDA) - I2C-Compatible
Over recommended supply and temperature ranges unless otherwise specified. (Figure 1)
PARAMETER
TEST CONDITIONS
MIN
RECOMMENDED INPUT TIMING REQUIREMENTS
f_SCL
SCL Clock Frequency
Standard Mode
Fast Mode
Standard Mode
4.7
t_LOW
SCL Low Period
Fast Mode
1.3
Standard Mode
4.0
t_HIGH
SCL High Period
Fast Mode
0.6
t_HD:STA
Hold time for a start or a repeated start ^{Standard Mode}
condition
Fast Mode
4.0
0.6
t_SU:STA
Set Up time for a start or a repeated
start condition
Standard Mode
Fast Mode
4.7
0.6
Standard Mode
0
t_HD:DAT Data Hold Time
Fast Mode
0
Standard Mode
250
t_SU:DAT Data Set Up Time
Fast Mode
100
Standard Mode
4.0
t_SU:STO Set Up Time for STOP Condition
Fast Mode
0.6
Standard Mode
4.7
t_BUF
Bus Free time between Stop and Start
Fast Mode
1.3
t_r
SCL & SDA Rise Time
Standard Mode
Fast Mode
t_f
SCL & SDA Fall Time
Standard Mode
Fast Mode
NOM
MAX UNIT
100 kHz
400 kHz
µs
µs
µs
µs
µs
µs
µs
µs
3.45 µs
900 ns
ns
ns
µs
µs
µs
µs
1000 ns
300 ns
300 ns
300 ns
7.8 Bidirectional Control Bus DC Timing Specifications (SCL, SDA) - I2C-Compatible⁽¹⁾
Over recommended supply and temperature ranges unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX UNIT
RECOMMENDED INPUT TIMING REQUIREMENTS
V_IH
V_IL
V_HY
V_OL
I_IN
t_R
t_F
t_SU;DAT
t_HD;DAT
C_IN
Input High Level
Input Low Level
Input Hysteresis
Output Low Level⁽²⁾
Input Current
SDA Rise Time-READ
SDA Fall Time-READ
SDA and SCL
SDA and SCL
0.7*V_DDIO
GND
SDA, V_DDIO = 1.8V, I_OL= 0.9 mA
0
SDA, V_DDIO = 3.3V, I_OL= 1.6 mA
0
SDA or SCL, V_IN= V_DDIO OR GND
−10
SDA, RPU = 10 kΩ, Cb ≤ 400 pF
(Figure 1)
(See Figure 1)
(See Figure 1)
SDA or SCL
V_DDIO
V
0.3*V_DDIO
V
>50
mV
0.36
V
0.4
10 µA
430
ns
20
ns
560
ns
615
ns
<5
pF
(1) Specification is verified by design.
(2) FPD-Link device was designed primarily for point-to-point operation and a small number of attached slave devices. As such the
Minimum I_OL pullup current is targeted to lower value than the minimum I_OL in the I2C specification.
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