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參數(shù)資料
| 型號(hào)： | MAX6818 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 【15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers |
| 中文描述： | ±15kV ESD保護(hù)、單/雙/八通道、CMOS開(kāi)關(guān)去抖器 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 188K |
| 代理商： | MAX6818 |
M
±15kV ES D-Protec ted, S ingle/Dual/Oc tal,
CMOS S witc h Debounc ers
6
_______________________________________________________________________________________
damage. The ESD structures withstand high ESD in all
states: normal operation, shutdown, and powered
down. After an ESD event, the MAX6816/MAX6817/
MAX6818 keep working without latchup, whereas other
solutions can latch and must be powered down to
remove latchup.
ESD protection can be tested in various ways; these
products are characterized for protection to the follow-
ing limits:
1) ±15kV using the Human Body Model
2) ±8kV using the Contact-Discharge method specified
in IEC1000-4-2
3) ±15kV using IEC1000-4-2’s Air-Gap method.
ESD Test Conditions
ESD performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents
test setup, test methodology, and test results.
Human Body Model
Figure 6a shows the Human Body Model and Figure 6b
shows the current waveform it generates when dis-
charged into a low impedance. This model consists of
a 100pF capacitor charged to the ESD voltage of inter-
est, which is then discharged into the test device
through a 1.5k
resistor.
IEC1000-4-2
The IEC1000-4-2 standard covers ESD testing and per-
formance of finished equipment; it does not specifically
refer to integrated circuits. The MAX6816/
MAX6817/MAX6818 help you design equipment that
I
P
100%
90%
36.8%
t
RL
TIME
t
DL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TOSCALE)
Ir
10%
0
0
AMPERES
Figure 6b. Human Body Current Waveform
tr = 0.7ns to 1ns
30ns
60ns
t
100%
90%
10%
I
P
I
Figure 7b. IEC1000-4-2 ESD Generator Current Waveform
CHARGE-CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
100pF
R
C
1M
R
D
1500
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 6a. Human Body ESD Test Model
Figure 7a. IEC1000-4-2 ESD Test Model
CHARGE CURRENT
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
Cs
150pF
R
C
50M to 100M
R
D
330
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
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