SN74LVC574 datasheet(2/5 Pages) TI

2 / 5 page

SN74LVC574

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP

WITH 3-STATE OUTPUTS

SCAS301 – JANUARY 1993 – REVISED MARCH 1994

7–2

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic symbol†

logic diagram (positive logic)

CLK

To Seven Other Channels

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and

IEC Publication 617-12.

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡

Supply voltage range, VCC

– 0.5 V to 4.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range, VI

– 0.5 V to 4.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output voltage range, VO (see Note 1)

– 0.5 V to VCC + 0.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input clamp current, IIK (VI < 0 )

– 50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output clamp current, IOK (VO < 0 or VO > VCC)

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous output current, IO (VO = 0 to VCC)

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous current through VCC or GND

±100 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum power dissipation at TA = 55°C (in still air): DB package

0.6 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DW package

1.6 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PW package

0.7 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTE 1: This value is limited to 4.6 V maximum.

recommended operating conditions (see Note 2)

MIN

MAX

UNIT

VCC

Supply voltage

2.7

3.6

VIH

High-level input voltage

VCC = 2.7 V to 3.6 V

VIL

Low-level input voltage

VCC = 2.7 V to 3.6 V

0.8

Input voltage

VCC

Output voltage

VCC

IOH

High level output current

VCC = 2.7 V

–12

IOH

High-level output current

VCC = 3 V

–24

IOL

Low level output current

VCC = 2.7 V

IOL

Low-level output current

VCC = 3 V

∆t/∆v

Input transition rise or fall rate

ns / V

Operating free-air temperature

–40

°C

NOTE 2: Unused or floating inputs must be held high or low.

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