74HCT390DW View Datasheet(PDF) - Philips Electronics
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74HCT390DW Datasheet PDF : 7 Pages
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Philips Semiconductors
Dual decade ripple counter
AC WAVEFORMS
Product specification
74HC/HCT390
(1) HC : VM = 50%; VI = GND to VCC.
HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.6 Waveforms showing the clock (nCPn) to output (nQn) 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.7 Waveforms showing the master reset (nMR) pulse width, the master reset to output (nQn) propagation
delays and the master reset to clock (nCPn) removal time.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
7
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