C/spi interface – Rainbow Electronics MAX1386 User Manual
Page 8
MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I
2
C/SPI Interface
8
_______________________________________________________________________________________
I
2
C HIGH-SPEED-MODE TIMING CHARACTERISTICS (Note 12, see Figure 2)
(GATEV
DD
= +5.5V for MAX1385, GATEV
DD
= +11V for MAX1386, AV
DD
= +5V, DV
DD
= 2.7V to 5.25V, external V
REFADC
= +2.5V,
external V
REFDAC
= +2.5V, C
REF
= 0.1µF, T
A
= -40°C to +85°C, unless otherwise noted).
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Serial-Clock Frequency
f
SCL
0
3.4
MHz
Setup Time Repeated START
Condition
t
SU;STA
160
ns
Hold Time Repeated START
Condition
t
HD;STA
160
ns
SCL Pulse-Width Low
t
LOW
160
ns
SCL Pulse-Width High
t
HIGH
60
ns
Data Setup Time
t
SU;DAT
10
ns
Data Hold Time
t
HD;DAT
(Note 17)
0
70
ns
Rise Time of SCL Signal,
Receiving
t
RCL
10
40
ns
Rise Time of SCL Signal After a
Repeated START Condition and
After an Acknowledge Bit,
Receiving
t
RCL1
10
80
ns
Fall Time of SCL Signal,
Receiving
t
FCL
10
40
ns
Rise Time of SDA Signal,
Receiving
t
RDA
10
80
ns
Fall Time of SDA Signal,
Transmitting
t
FDA
10
80
ns
Setup Time for STOP Condition
t
SU;STO
160
ns
Capacitive Load for Each Bus
Line
C
b
(Note 18)
100
pF
Pulse Width of Spikes That are
Suppressed by the Input Filter
t
SP
0
10
ns