Rainbow Electronics MAX9597 - Manual (Page 6)

MAX9597
Low-Power Audio/Video Interface
for Single SCART Connectors
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
VID
= V
AUD
= 3.3V, V
12
= 12V, GND = EP = 0, no load, T
A
= 0°C to +70°C, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Low Voltage V IL
0.3 x
V VID
V
Input Hysteresis V HYS
0.05 x
V VID
V
Input Leakage Current I IH , I IL
SCL and SDA have 40k Ω pullup resistors to
V VID
-1 +1 μA
Input Capacitance 10 pF
Input Current
V
VIDMAX
= 3.6V
0.1V VID < SDA < 0.9V VIDMAX
0.1V VID < SCL < 0.9V VIDMAX
I/O pins of fast-mode devices must not
obstruct the SDA and SCL lines if V
VID is
switched off
-10 +10 μA
Output Low Voltage SDA V OL I SINK = 6mA 0.4 V
Serial-Clock Frequency f SCL 0 400 kHz
Bus Free Time Between a STOP
and a START Condition
t BUF 1.3 μs
Hold Time, (REPEATED) START
Condition
t HD, STA 0.6 μs
Low Period of the SCL Clock t LOW 1.3 μs
High Period of the SCL Clock t HIGH 0.6 μs
Setup Time for a REPEATED
START Condition
t SU, STA 0.6 μs
Data Hold Time t HD, DAT
A master device must provide a hold time of
at least 300ns for the SDA signal (referred
to V
IL of the SCL signal) to bridge the
undefined region of SCL’s falling edge
0 0.9 μs
Data Setup Time t HD, DAT 100 ns
Fall Time of SDA Transmitting t F
C B = total capacitance of one bus line in pF
< 400pF; t R and t F measured between
0.3V VID and 0.7V VID (C B is in pF)
250 ns
Setup Time for STOP Condition t SU, STO 0.6 μs
Pulse Width of Spike Suppressed t SP
Input filters on the SDA and SCL inputs
suppress noise spikes less than 50ns
0 50 ns
OTHER DIGITAL I/O
DEV_ADDR Low Level
0.3 x
V VID
V
DEV_ADDR High Level
0.7 x
V VID
V
DEV_ADDR Input Current -1 +1 μA
Note 1: All devices are 100% production tested at T A = +25°C and are guaranteed by design for T A = 0°C to +70°C as specified.
Note 2: Input operational amplifier configured in voltage follower configuration, unless otherwise noted.