Datasheet

MAX3311E/MAX3313E
±15kV ESD-Protected, 460kbps, 1µA,
RS-232-Compatible Transceivers in µMAX
_______________________________________________________________________________________ 7
Figure 5. Human Body ESD Test Model
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 6. Human Body Current Waveform
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 7. Receiver Positive/Negative Thresholds for INVALID
RECEIVER INPUT LEVELS
-2.7V
-0.3V
+2.7V
+0.3V
0
INDETERMINATE
INVALID HIGH
INVALID LOW
INVALID HIGH
INDETERMINATE
1
2
3
4
5
10
9
8
7
6
GND
C1+
V-
TOUTTIN
INVALID
C1-
V
CC
MAX3313E
µ
MAX
RINROUT
Pin Configurations (continued)
Chip Information
TRANSISTOR COUNT: 278