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LM80 数据表(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LM80
功能描述  Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
PDF  29 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM80 数据表(HTML) 6 Page - National Semiconductor (TI)

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DC Electrical Characteristics (Continued)
The following specifications apply for +2.8 V
DC ≤V
+
≤ +3.8 V
DC for LM80CIMT-3, +4.25 VDC ≤V
+
≤ +5.75 V
DC for LM80CIMT-5,
IN0-IN6 R
S = 25Ω, unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ =
25˚C.(Note 7)
Symbol
Parameter
Conditions
Typical
Limits
Units
(Note 8)
(Note 9)
(Limits)
BTI Digital Input
I
IN(1)
Logical “1” Input Current
V
IN = V
+
−1
−10
µA (min)
I
IN(0)
Logical “0” Input Current
V
IN = 0VDC
500
2000
µA (max)
C
IN
Digital Input Capacitance
20
pF
AC Electrical Characteristics
The following specifications apply for +2.8 V
DC ≤V
+
≤ +3.8 V
DC for LM80CIMT-3, +4.25 VDC ≤V
+
≤ +5.75 V
DC for
LM80CIMT-5, unless otherwise specified. Boldface limits apply for T
A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C.
(Note 13)
Symbol
Parameter
Conditions
Typical
Limits
Units
(Note 8)
(Note 9)
(Limits)
SERIAL BUS TIMING CHARACTERISTICS
t
1
SCL (Clock) Period
2.5
µs (min)
t
2
Data In Setup Time to SCL High
100
ns (min)
t
3
Data Out Stable After SCL Low
0
ns (min)
t
4
SDA Low Setup Time to SCL Low (start)
100
ns (min)
t
5
SDA High Hold Time After SCL High (stop)
100
ns (min)
DS100040-4
FIGURE 1. Serial Bus Timing Diagram
www.national.com
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