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Partno Mfg Dc Qty AvailableDescript
MC14541BCLMOT?N/a100avaiProgrammable Timer
MC14541BCLMOTN/a26avaiProgrammable Timer
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MC14541BDMOTN/a21755avaiProgrammable Oscillator-Timer


MC14541BD ,Programmable Oscillator-Timerhttp://onsemi.com3MC14541BÎÎÎÎÎ SWITCHING CHARACTERISTICS (Note 5) (C = 50 pF, T = 25C)L AÎÎÎÎÎ Ch ..
MC14541BD ,Programmable Oscillator-TimerMAXIMUM RATINGS* (Voltages Referenced to V )ÎÎÎÎÎÎSSV 7 8 QSSSymbol Parameter Value UnitÎÎNC = NO C ..
MC14541BD ,Programmable Oscillator-TimerMAXIMUM RATINGS (Voltages Referenced to V )SSSymbol Parameter Value UnitV DC Supply Voltage Range − ..
MC14541BDR2 ,Programmable Oscillator-TimerMaximum ratings applied to the device are individual stress limitvalues (not normal operating condi ..
MC14541BDR2 ,Programmable Oscillator-TimerMAXIMUM RATINGS (Voltages Referenced to V )SSSymbol Parameter Value UnitV DC Supply Voltage Range − ..
MC14541BDR2 ,Programmable Oscillator-Timerhttp://onsemi.com2MC14541BÎÎÎÎÎ
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MC14541BCL-MC14541BCP-MC14541BD
Programmable Timer
-The MC14541B programmable timer consists of a 16–stage binary
counter, an integrated oscillator for use with an external capacitor and two
resistors, an automatic power–on reset circuit, and output control logic.
Timing is initialized by turning on power, whereupon the power–on reset is
enabled and initializes the counter, within the specified VDD range. With the
power already on, an external reset pulse can be applied. Upon release of
the initial reset command, the oscillator will oscillate with a frequency
determined by the external RC network. The 16–stage counter divides the
oscillator frequency (fosc) with the nth stage frequency being fosc/2n. Available Outputs 28, 210, 213 or 216 Increments on Positive Edge Clock Transitions Built–in Low Power RC Oscillator (± 2% accuracy over temperature
range and ± 20% supply and ± 3% over processing at < 10 kHz) Oscillator May Be Bypassed if External Clock Is Available (Apply
external clock to Pin 3) External Master Reset Totally Independent of Automatic Reset
Operation Operates as 2n Frequency Divider or Single Transition Timer Q/Q Select Provides Output Logic Level Flexibility Reset (auto or master) Disables Oscillator During Resetting to Provide
No Active Power Dissipation Clock Conditioning Circuit Permits Operation with Very Slow Clock Rise
and Fall Times Automatic Reset Initializes All Counters On Power Up Supply Voltage Range= 3.0 Vdc to 18 Vdc with Auto Reset
Disabled (Pin 5 = VDD) 8.5 Vdc to 18 Vdc with Auto Reset
Enabled (Pin 5 = VSS)
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ÎÎÎ Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125C
Ceramic “L” Packages: – 12 mW/ C From 100 C To 125C
SEMICONDUCTOR TECHNICAL DATA
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