LM95231_06 NSC [National Semiconductor], LM95231_06 Datasheet - Page 5

• Manufacturer Part Number: LM95231_06
• Description: Precision Dual Remote Diode Temperature Sensor with SMBus Interface and TruTherm Technology
• Manufacturer: NSC [National Semiconductor]

Diode Source Current
Power-On Reset Threshold
Symbol
SMBDAT, SMBCLK INPUTS
V
V
V
I
I
C
SMBDAT OUTPUT
I
V
IN(1)
IN(0)
OH
t
Symbol
TIMEOUT
t
IN(1)
IN(0)
IN(HYST)
IN
OL
t
Temperature-to-Digital Converter Characteristics
t
SU;DAT
Unless otherwise noted, these specifications apply for V
T
junction temperature of the remote thermal diode.
Logic Electrical Characteristics
Digital DC Characteristics
Unless otherwise noted, these specifications apply for V
T
SMBus Digital Switching Characteristics
Unless otherwise noted, these specifications apply for V
pF. Boldface limits apply for T
characteristics of the LM95231 fully meet or exceed the published specifications of the SMBus version 2.0. The following pa-
rameters are the timing relationships between SMBCLK and SMBDAT signals related to the LM95231. They adhere to but are
not necessarily the SMBus bus specifications.
t
R,SMB
F,SMB
f
t
HIGH
SMB
LOW
t
MIN
MAX
OF
≤T
; all other limits T
A
≤T
SMBus Clock Frequency
SMBus Clock Low Time
SMBus Clock High Time
SMBus Rise Time
SMBus Fall Time
Output Fall Time
SMBDAT and SMBCLK Time Low for Reset of
Serial Interface (Note 14)
Data In Setup Time to SMBCLK High
MAX
Logical “1” Input Voltage
Logical “0”Input Voltage
SMBDAT and SMBCLK Digital Input
Hysteresis
Logical “1” Input Current
Logical “0” Input Current
Input Capacitance
High Level Output Current
SMBus Low Level Output Voltage
; all other limits T
Parameter
A
= T
Parameter
Parameter
J
=+25˚C, unless otherwise noted.
A
A
= T
= T
J
J
=+25˚C, unless otherwise noted. T
= T
MIN
(V
high-level
Low-level
Measure on V
edge
D+
to T
− V
MAX
V
V
V
I
I
OL
OL
IN
IN
OH
D−
Conditions
= 4mA
= 6mA
; all other limits T
= V
= 0 V
) = + 0.65V;
Conditions
DD
DD
DD
= V
from V
from V
(Note 12)
(Note 13)
C
I
O
L
=+3.0Vdc to 3.6Vdc. Boldface limits apply for T
=+3.0 to 3.6 Vdc. Boldface limits apply for T
=+3.0 Vdc to +3.6 Vdc, C
DD
DD
= 3mA, (Note 13)
DD
= 400pF,
input, falling
5
IN(0)
IN(1)
Conditions
max to V
min to V
J
A
is the junction temperature of the LM95231. T
= T
IN(1)
IN(0)
J
(Note 6)
Typical
−0.005
(Note 6)
= +25˚C, unless otherwise noted. The switching
Typical
0.005
min
max
400
176
5
11
(Continued)
L
(load capacitance) on output lines = 80
(Note 6)
Typical
LM95231
(Note 7)
0.3
Limits
BIMM
1
300
100
2.7
1.8
(Note 7)
Limits
±
±
2.1
0.8
0.4
0.6
10
10
10
LM95231
(Note 7)
(Note 7)
Limits
Limits
CIMM
A
100
250
250
4.7
4.0
300
100
10
25
25
35
2.7
1.8
= T
A
= T
J
= T
J
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=
MIN
µA (max)
µA (max)
µA (max)
V (max)
V (max)
V (min)
kHz (max)
µA (max)
(Limit)
kHz (min)
ms (max)
ms (max)
µA (min)
µs (max)
µs (max)
ns (max)
ms (min)
V (max)
Units
µs (min)
µs (min)
ns (min)
V (min)
(Limit)
(Limit)
Units
mV
Units
pF
to
D
µA
is the