74HC4020 Просмотр технического описания (PDF) - Philips Electronics

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74HC4020

14-stage binary ripple counter

Philips Electronics 

Philips Semiconductors

14-stage binary ripple counter

AC WAVEFORMS

Product specification

74HC/HCT4020

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7 Waveforms showing the clock (CP) to output (Qn) propagation delays, the clock pulse width, the output

transition times and the maximum clock frequency.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.8 Waveforms showing the master reset (MR) pulse width, the master reset to output (Qn) propagation delays

and the master reset to clock (CP) removal time.

PACKAGE OUTLINES

See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.

September 1993

7

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