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CD4541 Datenblatt(PDF) 1 Page - Unisonic Technologies |
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CD4541 Datenblatt(HTML) 1 Page - Unisonic Technologies |
1 / 7 page UTCCD4541 CMOS IC UTC UNISONIC TECHNOLOGIES CO., LTD. 1 www.unisonic.com.tw QW-R502-037,A PROGRAMMABLE TIMER DESCRIPTION The UTC CD4541 programmable timer comprise a 16-stage binary counter, an integrated oscillator for use with an external capacitor and two resistors, output control logic, and a special power-on reset circuit. The counter divides the oscillator frequency by any of 4 digitally controlled division ratios. FEATURES *Operates at 2 n frequency divider or as single transition timer *Increments on positive edge clock transitions *Wide supply voltage range: 3.0V ~ 15V *Built-in low power RC oscillator *Oscillator frequency range ~ DC to 100 kHz *External clock applied to Pin 3 can be used instead of oscillator * Available division ratios 2 8, 210, 213, or 216 *High noise immunity: 0.45 VDD (typ.) *Master reset totally independent of automatic reset operation *Automatic reset initializes all counters when power turns on *Q/Q select provides output logic level flexibility *High output drive min. one TTL load *Maximum input leakage 1μA at 15V over full temperature range DIP-14 SOP-14 *Pb-free plating product number: CD4541L PIN CONFIGURATION MR N.C. AR Rs A VDD B Rtc MODE Q/Q SELECT Q Vss 1 2 3 4 5 6 7 8 14 13 12 11 10 9 Ctc N.C. |
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