lm81cimtx-32 National Semiconductor Corporation, lm81cimtx-32 Datasheet - Page 7

• Manufacturer Part Number: lm81cimtx-32
• Description: Serial Interface Acpi-compatible Microprocessor System
• Manufacturer: National Semiconductor Corporation

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