Datasheet

MAX4814E
DVI/HDMI 2:4 Low-Frequency Fanout Switch
14 ______________________________________________________________________________________
SCL
SDA
REPEATED
START CONDITION
START
CONDITION
t
HD, STA
t
SU, STA
t
LOW
t
SU, DAT
t
HD, DAT
t
HIGH
t
r
t
f
Figure 4. 2-Wire Interface Timing Diagram
MAX4814E MAX3845
58
59
60
61
2223 211918 20
96
65
61
30
V
DD
SDA SCL
I
2
C CONTROL
SETS 3 LSBs OF I
2
C ADDRESS.
AS SHOWN ADDRESS = 0111 + LSB = 0111000.
THERE ARE 8 POSSIBLE I
2
C ADDRESSES.
BY HARDWIRING PINS 23, 22, AND 21 TO 1 OR 0 USER
CAN CHANGE ADDRESS.
SEE TABLE 4 FOR I
2
C REGISTERS.
MODE = 1: I
2
C CONTROL
3-STATE
CONTROL
Figure 5. Mode 1: I
2
C Control
MAX4814E
21
DA0
22
DA1
61
DB0
23
DA2
18
MODE = 0
62
DB1
63
DB2
SEE TABLE 3b FOR CONTROL FUNCTIONS.
MODE = 0: DIRECT CONTROL
Figure 6. Mode 0: Direct Control
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
C
s
100pF
R
C
1MΩ
R
D
1500Ω
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 7. Human Body ESD Test Model
I
P
100%
90%
36.8%
t
RL
TIME
t
DL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
I
r
10%
0
0
AMPERES
Figure 8. Human Body Current Waveform