74AHC273PW 查看數據表（PDF） - Philips Electronics

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74AHC273PW

Octal D-type flip-flop with reset; positive-edge trigger

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with reset;

positive-edge trigger

AC WAVEFORMS

Product specification

74AHC273; 74AHCT273

handbook, full pagewidth

VI

CP INPUT

GND

Qn OUTPUT

1/fmax

VM(1)

tW

tPHL

VM(1)

tPLH

MNA200

FAMILY

AHC

AHCT

VI INPUT

REQUIREMENTS

GND to VCC

GND to 3.0 V

VM

INPUT

50% VCC

1.5 V

VM

OUTPUT

50% VCC

50% VCC

Fig.6 The clock (CP) to output (Qn) propagation delays, the clock pulse width output transition times and the

maximum clock pulse frequency.

handbook, full pagewidth

VI

MR INPUT

GND

VI

CP INPUT

GND

VI

Qn OUTPUT

GND

VM(1)

tW

t rem

t PLH

VM(1)

VM(1)

MNA464

FAMILY

AHC

AHCT

VI INPUT

REQUIREMENTS

GND to VCC

GND to 3.0 V

VM

INPUT

50% VCC

1.5 V

VM

OUTPUT

50% VCC

50% VCC

Fig.7 The master reset (MR) pulse width, the master reset to output (Qn) propagation delays and master reset

to clock (CP) removal time.

1999 Sep 01

12

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