ICM7555, ICM7556
Absolute Maximum Ratings
Thermal Information
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+18V
Input Voltage
Trigger, Control Voltage, Threshold,
Reset (Note 1) . . . . . . . . . . . . . . . . . . . . . V+ +0.3V to GND -0.3V
Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical, Note 2)
14 Lead CERDIP Package. . . . . . . . . .
14 Lead PDIP Package* . . . . . . . . . . .
8 Lead PDIP Package* . . . . . . . . . . . .
8 Lead SOIC Package . . . . . . . . . . . . .
θ
(°C/W)
80
115
130
170
θ
(°C/W)
24
N/A
N/A
N/A
JA
JC
Maximum Junction Temperature (Hermetic Package) . . . . . . . +175°C
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . -65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . +300°C
(SOIC - Lead Tips Only)
* Pb-free PDIPs can be used for through hole wave solder
processing only. They are not intended for use in Reflow solder
processing applications.
Operating Conditions
Temperature Range
ICM7555C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ICM7555I, ICM7556I . . . . . . . . . . . . . . . . . . . . . . -25°C to +85°C
ICM7556M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Due to the SCR structure inherent in the CMOS process used to fabricate these devices, connecting any terminal to a voltage greater than
V+ +0.3V or less than V- -0.3V may cause destructive latchup. For this reason it is recommended that no inputs from external sources not
operating from the same power supply be applied to the device before its power supply is established. In multiple supply systems, the supply
of the ICM7555 and ICM7556 must be turned on first.
2. θ is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief 379 for details.
JA
Electrical Specifications Applies to ICM7555 and ICM7556, unless otherwise specified
(NOTE 4)
T
= +25°C
-55°C TO +125°C
A
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX MIN TYP MAX UNITS
Static Supply Current
I
ICM7555
ICM7556
V
V
V
V
= 5V
40
60
80
120
2
200
300
400
600
300
300
600
600
μA
μA
DD
DD
DD
DD
DD
= 15V
= 5V
μA
= 15V
μA
Monostable Timing Accuracy
R
= 10K, C = 0.1μF, V
= 5V
DD
%
A
858
1161
μs
Drift with Temperature
(Note 3)
V
V
V
V
R
= 5V
150
200
250
0.5
ppm/°C
ppm/°C
ppm/°C
%/V
DD
DD
DD
DD
= 10V
= 15V
Drift with Supply (Note 3)
= 5V to 15V
0.5
2
Astable Timing Accuracy
= R = 10K, C = 0.1μF, V = 5V
DD
%
A
B
1717
2323
μs
Drift with Temperature
(Note 3)
V
V
V
V
V
V
V
V
V
= 5V
150
200
250
0.5
ppm/°C
ppm/°C
ppm/°C
%/V
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 10V
= 15V
= 5V to 15V
= 15V
= 15V
= 15V
= 15V
= 15V
Drift with Supply (Note 3)
Threshold Voltage
Trigger Voltage
0.5
67
32
V
62
28
71
36
10
10
71
61
27
72
37
50
50
72
% V
% V
TH
DD
V
TRIG
DD
Trigger Current
I
nA
nA
% V
TRIG
Threshold Current
Control Voltage
I
TH
V
62
67
61
CV
DD
FN2867.9
August 24, 2006
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