74HCT7273 데이터 시트보기 (PDF) - Philips Electronics

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74HCT7273

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

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with reset; positive

edge-trigger; open drain outputs

Product specification

74HCT7273

DC CHARACTERISTICS

Over recommended operating conditions; voltages are referenced to GND (ground = 0 V).

TEST CONDITIONS

Tamb (°C)

SYMBOL PARAMETER

OTHER

25

−40 to +85 −40 to +125 UNIT

VCC (V)

MIN. TYP. MAX. MIN. MAX. MIN. MAX.

VIH

HIGH-level input

voltage

4.5 to 5.5 2.0 1.6 −

2.0 −

2.0 −

V

VIL

LOW-level input

voltage

4.5 to 5.5 − 1.2 0.8 − 0.8 − 0.8 V

VOL

LOW-level

VI = VIH or VIL;

4.5

output voltage IO = 20 µA

VI = VIH or VIL;

4.5

IO = 4.0 mA

II

input leakage VI = VIH or VIL

5.5

current

− 0 0.1 − 0.1 − 0.1 V

− 0.15 0.26 − 0.33 − 0.4 V

− − 0.1 − 1.0 − 1.0 µA

IOZ

HIGH level

VI = VIL;

4.5 to 5.5 − − ±0.5 − ±5.0 − ±10.0 µA

output leakage VO = VCC or GND

current

ICC

∆ICC

quiescent supply VI = VCC or GND; 5.5

−

current

IO = 0

additional

VI = VCC − 2.1 V 4.5 to 5.5 −

quiescent supply other inputs at

current per input VCC or GND;

pin

IO = 0; note 1

− 8.0 −

100 360 −

80 −

450 −

160 µA

490 µA

Note

1. The value off additional quiescent supply current (∆ICC) for a unit load of 1 is given in the specifications. To determine

∆ICC per input, multiply this value by the unit load coefficient shown in Table 1.

Table 1

INPUT

MR

CP

Dn

UNIT LOAD COEFFICIENT

1.50

1.50

0.40

1999 Oct 01

8

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