LM74CIMX-3 National Semiconductor, LM74CIMX-3 Datasheet - Page 5

• Manufacturer Part Number: LM74CIMX-3
• Description: IC TEMP SENSOR DGTL 8-SOIC
• Manufacturer: National Semiconductor

Specifications of LM74CIMX-3

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 150°C
• Output Type: MICROWIRE™, SPI™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM74CIMX-3TR

I
I
C
V
V
I
t
t
t
t
t
t
t
IN(1)
IN(0)
O_TRI-STATE
1
2
3
4
5
6
7
Symbol
OH
OL
IN
SERIAL BUS DIGITAL SWITCHING CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
for the LM74CIM -3 and V
specified. Boldface limits apply for T
Symbol
SC (Clock) Period
CS Low to SC (Clock) High Set-Up Time
CS Low to Data Out (SO) Delay
SC (Clock) Low to Data Out (SO) Delay
CS High to Data Out (SO) TRI-STATE
SC (Clock) High to Data In (SI) Hold Time
Data In (SI) Set-Up Time to SC (Clock) High
Logical “1” Input Current
Logical “0” Input Current
All Digital Inputs
High Level Output Voltage
Low Level Output Voltage
TRI-STATE Output Leakage
Current
+
Parameter
= 4.5V to 5.5V for the LM74 -5
Parameter
A
= T
FIGURE 2. Data Output Timing Diagram
J
= T
MIN
V
V
I
I
V
V
OH
OL
to T
IN
IN
O
O
= +2 mA
= GND
= V
= V
= 0V
= −400 μA
+
MAX
Conditions
(Note
= 2.65V to 3.6V for the LM74CIBP -3, LM74CITP-3, V
+
+
; all other limits T
6); C
5
L
(load capacitance) on output lines = 100 pF unless otherwise
Conditions
A
= T
(Note
Typical
−0.005
0.005
20
J
= +25°C, unless otherwise noted.
7)
(Note
Typical
(Note
Limits
−3.0
7)
3.0
2.4
0.4
−1
+1
8)
10090904
(Note
Limits
0.16
100
100
200
DC
70
50
30
+
= 3.0V to 3.6V
8)
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μA (max)
μA (min)
μA (min)
V (max)
V (min)
(Limit)
Units
(max)
μA
pF
ns (max)
ns (max)
ns (max)
μs (min)
ns (min)
ns (min)
ns (min)
(Limit)
Units
(max)