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© Andigilog, Inc. 2006
www.andigilog.com
October 2006 - 70A06010
aSC7621
Symbol
Pin
Type
Name and Function/Connection
GPIO1
6
Digital I/O
Alert Out / Zone # THERM Out. Default is GPIO input
GPIO2
5
Digital I/O
Alert Out / Zone # THERM Out. Default is GPIO input
GPIO3
19
Digital I/O
Alert Out / Zone # THERM Out. Default is GPIO input
Absolute Maximum Ratings
1
Parameter
Rating
Supply Voltage, VDD
3.6V
Voltage on Any Digital Input or
Output Pin other than PWM Outputs
-0.3V to VDD +0.3V
Voltage on PWM Outputs
-0.3V to 5.5V
Voltage on 12V Analog Input
-0.5V to 16V
Voltage on 5V Analog Input
-0.5V to 6.5V
Voltage on Remote 1 +, Remote 2 +
-0.5V to (VDD +
0.50V)
Voltage on Other Analog Inputs
-0.5V to 6.0V
Current on Remote 1 -, Remote 2 -
±1mA
Input Current on Any Pin
2
±5mA
Package Input Current
2
±20mA
Package Dissipation at TA = 25°C
See (Note 3)
Storage Temperature
-65
°C to +150°C
Human Body Model
4000 V
Machine Model
250 V
ESD
4
Charged Device Model
2000V
Notes:
1. Absolute maximum ratings are limits beyond which
operation may cause permanent damage to the device.
These are stress ratings only; functional operation at or
above these limits is not implied.
2. When the input voltage (VIN) at any pin exceeds the
power supplies (VIN < GND or VIN > VDD), the current at
that pin should be limited to 5mA. The 20mA maximum
package input current rating limits the number of pins
that can safely exceed the power supplies with an input
current of 5mA to four. Parasitic components and/or
ESD protection circuitry are present on the aSC7621
pins. Care should be taken not to forward bias the
parasitic diode present on pins D+ and D-. Doing so by
more than 50mV may corrupt temperature
measurements.
Operating Ratings
1
Parameter
Rating
aSC7621 Operating
Temperature Range, Ambient
Temperature, TMIN to TMAX
0
°C ≤ TA ≤ +120°C
Remote Diode Temperature
Range
-55
°C ≤ TD ≤ +125°C
Supply Voltage (3.3V
nominal)
+3.0V to +3.6V
VIN Voltage Range
+12V VIN
-0.05V to 16V
+5V VIN
-0.05V to 6.5V
+3.3V VIN
3.0V to 4.4V
VCCP and All Other Inputs
-0.05V to VDD + 0.05V
Typical Supply Current
1.8mA
3.
Thermal resistance junction-to-ambient when
attached to a double-sided printed circuit board
with 1oz. foil is 115
°C/W
4.
Human Body Model: 100pF capacitor discharged
through a 1.5k
Ω resistor into each pin. Machine
Model: 200pF capacitor discharged directly into
each pin. Charged-Device Model is per JESD22-
C101C.
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