Datasheet

DS3514
I
2
C Gamma and V
COM
Buffer with EEPROM
4 _______________________________________________________________________________________
I
2
C ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, T
A
= -45°C to +95°C, timing referenced to V
IL(MAX)
and V
IH(MIN)
. See Figure 4.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL Clock Frequency f
SCL
(Note 14) 0 400 kHz
Bus-Free Time between STOP
and START Conditions
t
BUF
1.3 μs
Hold Time (Repeated) START
Condition
t
HD:STA
0.6 μs
Low Period of SCL t
LOW
1.3 μs
High Period of SCL t
HIGH
0.6 μs
Data Hold Time t
HD:DAT
0 0.9 μs
Data Setup Time t
SU:DAT
100 ns
START Setup Time t
SU:STA
0.6 μs
SDA and SCL Rise Time t
R
(Note 15)
20 +
0.1C
B
300 ns
SDA and SCL Fall Time t
F
(Note 15)
20 +
0.1C
B
300 ns
STOP Setup Time t
SU:STO
0.6 μs
SDA and SCL Capacitive
Loading
C
B
(Note 15) 400 pF
EEPROM Write Time t
W
(Note 16) 20 ms
Pulse-Width Suppression Time
at SDA and SCL Inputs
t
IN
(Note 17) 50 ns
A0 Setup Time t
SU:A
Before START 0.6 μs
A0 Hold Time t
HD:A
After STOP 0.6 μs
SDA and SCL Input Buffer
Hysteresis
0.05 x
V
CC
V
Input Capacitance on
A0, SDA, or SCL
C
I
5 10 pF
Low-Level Output Voltage (SDA) V
OL
4mA sink current 0.4 V
SCL Falling Edge to SDA Output
Data Valid
t
AA
SCL falling through 0.3 x V
CC
to SDA exit
0.3 x V
CC
to 0.7 x V
CC
window
900 ns
Output Data Hold t
DH
SCL falling through 0.3x V
CC
until SDA in
0.3 x V
CC
to 0.7 x V
CC
window
0 ns