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ILC1832 Datasheet(PDF) 2 Page - Impala Linear Corporation

Part No. ILC1832
Description  μP SUPERVISORY CIRCUIT
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Maker  IMPALA [Impala Linear Corporation]
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ILC1832 Datasheet(HTML) 2 Page - Impala Linear Corporation

   
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Parameter
Symbol
Ratings
Units
VCC
-0.3 to 7.0
V
Terminal Voltage
All other inputs
-0.3 to (VCC + 0.3)
V
VCC
250
mA
Input Current
GND All other inputs
25
mA
Operating Temperature Range
TA
-40 to +85
°C
Storage Temperature Range
-65 to +150
°C
Lead Temperature (Soldering, 10 sec.)
300
°C
Power Dissipation
700
mW
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage Range, VCC
5.5
V
Supply Current, ICC
VCC = 5V (See Note 1)
VCC = 3.3V (See Note 1)
18
15
30
25
µA
ST and PBRST Input Levels
VIH, VCC > 2.7V
VIH, VCC < 2.7V
VIL
2.0
VCC –0.4
-0.3
VCC + 0.3
VCC + 0.3
0.5
V
Input Leakage PBRST, IIL
(See Note 2)
±1
µA
Output Voltage, RST, RST
ISOURCE = 350µA, VCC = 3.3V
2.4
V
Output Voltage, RST, RST
ISINK = 10mA, VCC = 3.3V
0.4
V
Output Voltage, RST
ISINK = 50µA, VCC = 1.4V
0.3
V
VCC 5% Trip Point (Reset Threshold Voltage)
TOL= GND
2.80
2.88
2.97
V
VCC 10% Trip Point (Reset Threshold Voltage)
TOL= VCC
2.47
2.55
2.64
V
Input Capacitance, ST, TOL
CIN (See Note 3)
5
pF
Output Capacitance, RST, RST
COUT (See Note 3)
7
pF
PBRST Min. Pulse Width, tPB
PBRST = VIL (See note 4)
20
ms
PBRST Delay, tPBD
1
4
20
ms
Reset Active Time, tRST
250
610
1000
ms
ST Pulse Width, tST
20
ns
ST Timeout Period, tTD
TD = 0V
TD = Open
TD = VCC
62.5
250
500
150
600
120
0
250
1000
2000
ms
VCC Fall Time, tF
40
µs
VCC Rise Time, tR
0
ns
VCC Detect to RST Low and RST High, tRPD
VCC Falling at 1.66 mV/
µs
5
8
µs
VCC Detect to RST Open and RST Low, tRPU
VCC Rising
250
610
1000
ms
VCC = 3 to 5.5V, TA = Operating Temperature Range, unless otherwise noted.
Stresses above those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality at
or above these limits is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliability.
Operating ranges define those limits between which the functionality of the device is guaranteed.
Note 1: ICC is measured with PBRST and all outputs open and inputs within 0.5V of supply rails.
Note 2: PBRST has an internal 40k
Ω (typical) pull-up resistor to V
CC.
Note 3: Guaranteed by design at TA = 25°C.
Note 4: PBRST must be held low for a minimum of 20ms to guarantee a reset.
µP Supervisory Circuit
Preliminary
Impala Linear Corporation
2
(408) 574-3939
www.impalalinear.com
October 1999
ILC1832 1.1
Electrical Characteristics
Absolute Maximum Ratings


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