74HCT74 データシートの表示（PDF） - Philips Electronics

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74HCT74

Dual D-type flip-flop with set and reset; positive-edge trigger

Philips Electronics 

Philips Semiconductors

Dual D-type flip-flop with set and reset;

positive-edge trigger

Product specification

74HC74; 74HCT74

Family 74HCT

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

SYMBOL

PARAMETER

TEST CONDITIONS

WAVEFORMS

VCC (V)

MIN.

Tamb = −40 to +85 °C; note 1

VIH

HIGH-level input

voltage

4.5 to 5.5 2.0

VIL

VOH

VOL

ILI

ICC

∆ICC

LOW-level input voltage

HIGH-level output

voltage

VI = VIH or VIL;

IO = −4.0 mA

LOW-level output

voltage

VI = VIH or VIL;

IO = 4.0 mA

input leakage current VI = VCC or GND

quiescent supply

current

additional quiescent

supply current per input

VI = VCC or GND;

IO = 0

VI = VCC −2.1 V other

inputs at VCC or GND;

IO = 0

4.5 to 5.5 −

4.5

3.84

4.5

0.33

5.5

−

5.5

−

4.5 to 5.5 −

Tamb = −40 to +125 °C

VIH

HIGH-level input

voltage

4.5 to 5.5 2.0

VIL

VOH

VOL

ILI

ICC

∆ICC

LOW-level input voltage

HIGH-level output

voltage

LOW-level output

voltage

input leakage current

quiescent supply

current

additional quiescent

supply current per input

VI = VIH or VIL;

IO = −4.0 mA

VI = VIH or VIL;

IO = 4.0 mA

VI = VCC or GND

VI = VCC or GND;

IO = 0

VI = VCC −2.1 V other

inputs at VCC or GND;

IO = 0

4.5 to 5.5 −

4.5

3.7

4.5

−

5.5

−

5.5

−

4.5 to 5.5 −

TYP.

1.6

1.2

4.32

0.15

−

−

100

−

−

−

−

−

−

−

Note

1. All typical values are measured at Tamb = 25 °C.

MAX.

−

0.8

−

−

±1.0

40

450

−

0.8

−

0.4

±1.0

80

490

UNIT

V

V

V

V

µA

µA

µA

V

V

V

V

µA

µA

µA

Remark to HCT types

The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given here. To determine ∆ICC per input,

multiply this value by the unit load coefficient shown in the table.

INPUT

UNIT LOAD COEFFICIENT

nD

0.70

nRD

0.70

nSD

0.80

nCP

0.80

2003 Jul 10

9

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