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CM1643 Datasheet, PDF (2/6 Pages) ON Semiconductor – 4-Channel Low Capacitance Dual-Voltage ESD Protection Array | |||
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CM1643
Table 1. PIN DESCRIPTIONS
4âChannel, 8âLead, UDFNâ8 Package
Pin Name Type
Description
1
CH1
I/O LV Lowâcapacitance ESD Channel
2
CH2
I/O LV Lowâcapacitance ESD Channel
3
CH3
I/O LV Lowâcapacitance ESD Channel
4
VCC HV VDD HV ESD Channel
5 GND
â Ground
6
7
8
DAP
VN
VN
VN
GND
â Negative Voltage Supply Rail
â Negative Voltage Supply Rail
â Negative Voltage Supply Rail
â Die Attach Pad (Ground)
PACKAGE / PINOUT DIAGRAMS
Top View
(Pins Down View)
8765
Bottom View
(Pins Up View)
1234
Pin 1
30V
Marking
DAP
1234
8765
CM1643â04D4
8âLead UDFN Package
SPECIFICATIONS
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Units
DC Voltage on LowâVoltage Pins
6
V
DC Voltage on HighâVoltage Pins (VCCpin)
Storage Temperature Range
29
V
â65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 3. STANDARD OPERATING CONDITIONS
Parameter
Operating Temperature Range
Rating
â40 to +85
Units
°C
Table 4. ELECTRICAL OPERATING CHARACTERISTICS (Note 1)
Symbol
Parameter
Conditions
VF
ILEAK
LV Diode Reverse Voltage (Positive Voltage)
LV Diode Forward Voltage (Negative Voltage)
LV Channel Leakage Current (Pins 1 and 2)
LV Channel Leakage Current (Pin 3 only)
IF = 10 mA, TA = 25°C
IF = 10 mA, TA = 25°C
TA = â30°C to 65°C, VIN = 3.3 V
VN = 0 V
TA = â30°C to 65°C, VIN = 3.3 V
VN = 0 V
CIN
DCIN
ILEAK_HV
CIN_HV
VF_HV
LV Channel Input Capacitance
LV Channel Input Capacitance Matching
HV Channel Leakage Current
HV Channel Input Capacitance
HV Diode Breakdown Voltage
Positive Voltage
At 1 MHz, VN = 0 V, VIN = 1.65 V
At 1 MHz, VN = 0 V, VIN = 1.65 V
TA = 25°C, VCC = 28 V, VN = 0 V
At 1 MHz, VN = 0 V, VIN = 2.5 V
IF = 10 mA, TA = 25°C
VESD
ESD Protection
Peak Discharge Voltage at any channel
input, in system
Contact Discharge per
IEC 61000â4â2 Standard
TA = 25°C
Min
6.8
â1.05
30
±8 (Pin 1â3)
±15 (Pin 4)
Typ Max Units
8.2 9.2
V
â0.90 â0.60
100 nA
100
1.2 1.5 pF
0.02
pF
0.1 1.0 mA
30
pF
V
35
kV
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