74HCT165 datasheet(9/10 Pages) PHILIPS

Il numero della parte	74HCT165

Spiegazioni elettronici	8-bit parallel-in/serial-out shift register

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Produttore elettronici	PHILIPS [NXP Semiconductors]

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9 / 10 page

December 1990

9

Philips Semiconductors

Product speciﬁcation

8-bit parallel-in/serial-out shift register

74HC/HCT165

AC WAVEFORMS

Fig.6

Waveforms showing the clock (CP) to output (Q7 or Q7) propagation delays, the clock pulse width, the

output transition times and the maximum clock frequency.

The changing to output assumes internal Q6

opposite state from Q7.

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

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

Fig.7

Waveforms showing the parallel load (PL) pulse width, the parallel load to output (Q7 or Q7) propagation

delays, the parallel load to clock (CP) and clock enable (CE) removal time.

The changing to output assumes internal Q6

opposite state from Q7.

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

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

Fig.8 Waveforms showing the data input (Dn) to output (Q7 or Q7) propagation delays when PL is LOW.

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

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

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