74HC_HCT194_CNV_15 datasheet(10/10 Pages) PHILIPS

部品番号	74HC_HCT194_CNV

部品情報	4-bit bidirectional universal shift register

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メーカー	PHILIPS [NXP Semiconductors]

ホームページ	http://www.nxp.com

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10 / 10 page

December 1990

10

Philips Semiconductors

Product speciﬁcation

4-bit bidirectional universal shift register

74HC/HCT194

AC WAVEFORMS

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.

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

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

Fig.9

Waveforms showing the set-up and hold

times from the data inputs (Dn, DSR and

DSL) to the clock (CP).

The shaded areas indicate when the input is permitted to

change for predictable output performance.

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

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

PACKAGE OUTLINES

See

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

Fig.10 Waveforms showing the set-up and hold

times from the mode control inputs (Sn) to

the clock input (CP).

The shaded areas indicate when the input is permitted to

change for predictable output performance.

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

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

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