LMC555
www.ti.com
SNAS558J –FEBRUARY 2000–REVISED MARCH 2013
Table 1. Pin Descriptions
Package Pin Numbers
Pin Name
8-Pin SOIC, VSSOP, and PDIP
8-Bump DSBGA
GND
1
2
3
4
5
6
7
8
A3
B3
C3
C2
C1
B1
A1
A2
Trigger
Output
Reset
Control Voltage
Threshold
Discharge
V+
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)(2)(3)
Supply Voltage, V+
15V
−0.3V to VS + 0.3V
15V
Input Voltages, VTRIG, VRES, VCTRL, VTHRESH
Output Voltages, VO, VDIS
Output Current IO, IDIS
100 mA
Storage Temperature Range
−65°C to +150°C
Soldering specification for PDIP package:
Soldering (10 seconds)
260°C
Soldering specification for all other packages:
see product folder at www.ti.com and http://www.ti.com/lit/SNOA549
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(2) See AN-1112 (SNVA009) for DSBGA considerations.
(3) If Military/Aerospace specified devices are required, please contact the TI Sales Office/Distributors for availability and specifications.
Operating Ratings(1)(2)
Temperature Range
LMC555IM
−40°C to +125°C
−40°C to +85°C
LMC555CM/MM/N/TP
Thermal Resistance (θJA
SOIC, 8-Pin
(1)
)
169°C/W
225°C/W
111°C/W
220°C/W
VSSOP, 8-Pin
PDIP, 8-Pin
8-Bump DSBGA
Maximum Allowable Power Dissipation @25°C
PDIP-8
1126 mW
740 mW
555 mW
568 mW
SOIC-8
VSSOP-8
8-Bump DSBGA
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(2) See AN-1112 (SNVA009) for DSBGA considerations.
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