MC1455, MC1455B, NCV1455B Timers The MC1455 monolithic timing circuit is a highly stable controller capable of producing accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time MC1455, MC1455B, NCV1455B MAXIMUM RATINGS (T = +25C, unless otherwise noted.) A Rating Symbol Value Unit Power Supply Voltage V +18 Vdc CC Discharge Current (Pin 7) I 200 mA 7 Power Dissipation (Package Limitation) P1 Suffix, Plastic Package P 625 mW D Derate above T = +25C 5.0 mW/C A D Suffix, Plastic Package P 625 mW D Derate above T = +25C 160 C/W A Operating Temperature Range (Ambient) T C A MC1455B 40 to +85 MC1455 0 to +70 NCV1455B 40 to +125 Maximum Operating Die Junction Temperature T +150 C J Storage Temperature Range T 65 to +150 C stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. ELECTRICAL CHARACTERISTICS (T = +25C, V = +5.0 V to +15 V, unless otherwise noted.) A CC Characteristics Symbol Min Typ Max Unit Operating Supply Voltage Range V 4.5 16 V CC Supply Current I mA CC V = 5.0 V, R = 3.0 6.0 CC L V = 15 V, R = , Low State (Note 1) 10 15 CC L Timing Error (R = 1.0 k to 100 k ) (Note 2) Initial Accuracy C = 0.1 F 1.0 % Drift with Temperature 50 PPM/C Drift with Supply Voltage 0.1 %/V Threshold Voltage/Supply Voltage V /V 2/3 th CC Trigger Voltage V V T V = 15 V 5.0 CC V = 5.0 V 1.67 CC Trigger Current I 0.5 A T Reset Voltage V 0.4 0.7 1.0 V R Reset Current I 0.1 mA R Threshold Current (Note 3) I 0.1 0.25 A th Discharge Leakage Current (Pin 7) I 100 nA dischg Control Voltage Level V V CL V = 15 V 9.0 10 11 CC V = 5.0 V 2.6 3.33 4.0 CC Output Voltage Low V V OL I = 10 mA (V = 15 V) 0.1 0.25 Sink CC I = 50 mA (V = 15 V) 0.4 0.75 Sink CC I = 100 mA (V = 15 V) 2.0 2.5 Sink CC I = 200 mA (V = 15 V) 2.5 Sink CC I = 8.0 mA (V = 5.0 V) Sink CC I = 5.0 mA (V = 5.0 V) 0.25 0.35 Sink CC Output Voltage High V V OH V = 15 V (I = 200 mA) 12.5 CC Source V = 15 V (I = 100 mA) 12.75 13.3 CC Source V = 5.0 V (I = 100 mA) 2.75 3.3 CC Source Rise Time Differential Output t 100 ns r Fall Time Differential Output t 100 ns f 1. Supply current when output is high is typically 1.0 mA less. 2. Tested at V = 5.0 V and V = 15 V Monostable mode. CC CC 3. This will determine the maximum value of R + R for 15 V operation. The maximum total R = 20 M . A B 4. T = 0C for MC1455, T = 40C for MC1455B, NCV1455B low low T = +70C for MC1455, T = +85C for MC1455B, T = +125C for NCV1455B high high high 5. NCV prefix is for Automotive and other applications requiring site and change control.