LM81CIMT-3 National Semiconductor, LM81CIMT-3 Datasheet - Page 7

• Manufacturer Part Number: LM81CIMT-3
• Manufacturer: National Semiconductor

Specifications of LM81CIMT-3

• Monitored Voltage 1 (typ): 2.5/3.3/5/12V
• Battery Backup Switching: No
• Watchdog Timer: Yes
• Chip Enable Signals: No
• Manual Reset: No
• Package Type: TSSOP
• Operating Supply Voltage (min): 2.8V
• Operating Supply Voltage (max): 3.8V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Power Fail Detection: No
• Mounting: Surface Mount
• Pin Count: 24
• Lead Free Status / Rohs Status: Not Compliant

Symbol
DIGITAL OUTPUTS (NTEST_OUT)
V
V
OPEN- DRAIN DIGITAL OUTPUTS (SMBData, RESET, CI, INT, T_CRIT_A)
V
DIGITAL INPUTS: VID0–VID4, NTEST_IN, A0/NTEST_OUT, A1, Chassis Intrusion (CI)
SMBus DIGITAL INPUTS (SMBCLK, SMBData)
Tach Pulse Logic Inputs (FAN1, FAN2)
ALL DIGITAL INPUTS
V
V
V
V
V
V
The following specifications apply for +2.8V
for T
OUT(1)
OUT(0)
OUT(0)
I
I
DC Electrical Characteristics
C
I
IN(1)
IN(0)
IN(1)
IN(0)
IN(1)
IN(0)
IN(1)
IN(0)
OH
IN
A
= T
Logical “1” Output Voltage
Logical “0” Output Voltage
Logical “0” Output Voltage
High Level Output Current
RESET and Chassis Intrusion
Pulse Width
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
Logical “0” Input Current
Digital Input Capacitance
J
= T
MIN
Parameter
to T
MAX
; all other limits T
DC
I
V
I
V
I
V
V
V
OUT
OUT
OUT
A
+
+
OUT
IN
IN
= T
= +2.8V
= +3.8V
V
= V
= 0 V
(Continued)
=
=
= −3.0 mA
+
= V
J
Conditions
±
±
+
= 25˚C. (Note 8)
3.0 mA at
3.0 mA at
+3.8V
+
DC
DC
, R
7
S
= 500 , unless otherwise specified. Boldface limits apply
(Note 9)
Typical
−0.005
0.005
0.1
45
20
LM81BIM
(Note 10)
0.7 x V
0.3 x V
Limits
100
2.4
0.4
0.4
2.0
0.8
2.1
0.8
−1
20
1
+
+
LM81CIM
(Note 10)
0.7 x V
0.3 x V
Limits
100
2.4
0.4
0.4
2.0
0.8
1.4
0.6
20
−1
1
+
+
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µA (max)
µA (max)
ms (min)
µA (min)
(Limits)
V (max)
V (max)
V (max)
V (max)
V (min)
V (min)
V (min)
V (min)
V (min)
Units
pF