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LMC555CMMX Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LMC555CMMX Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 12 page Electrical Characteristics (Notes 1, 2) Test Circuit, T = 25˚C, all switches open, RESET to V S unless otherwise noted (Continued) Symbol Parameter Conditions Min Typ Max Units (Limits) ∆t/∆T Timing Shift with Temperature V S =5V −40˚C ≤ T ≤ +85˚C 75 ppm/˚C f A Astable Frequency SW 1, 3 Closed, V S = 12V 4.0 4.8 5.6 kHz f MAX Maximum Frequency Max. Freq. Test Circuit, V S = 5V 3.0 MHz t R,tF Output Rise and Fall Times Max. Freq. Test Circuit V S = 5V, CL =10pF 15 ns t PD Trigger Propagation Delay V S = 5V, Measure Delay from Trigger to Output 100 ns Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified. Note 2: 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 guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 3: See AN-450 for other methods of soldering surface mount devices, and also AN-1112 for micro SMD considerations. Note 4: If the RESET pin is to be used at temperatures of −20˚C and below VS is required to be 2.0V or greater. Note 5: For device pinout please refer to table 1 Test Circuit (Note 5) 00866902 Maximum Frequency Test Circuit (Note 5) 00866903 TABLE 1. Package Pinout Names vs. Pin Function Pin Function Package Pin numbers 8-Pin SO, MSOP, and MDIP 8-Bump micro SMD GND 1 A3 Trigger 2B3 Output 3 C3 Reset 4C2 Control Voltage 5 C1 Threshold 6 B1 Discharge 7 A1 V + 8A2 www.national.com 4 |
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