SN54LVTH574 datasheet(3/7 Pages) TI

3 / 7 page

SN54LVTH574, SN74LVTH574

3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCBS688D – MAY 1997 – REVISED APRIL 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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 (see Note 1)

–0.5 V to 7 V

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

Voltage range applied to any output in the high-impedance

or power-off state, VO (see Note 1)

–0.5 V to 7 V

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

Voltage range applied to any output in the high state, VO (see Note 1)

–0.5 V to VCC + 0.5 V

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

Current into any output in the low state, IO: SN54LVTH574

96 mA

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

SN74LVTH574

128 mA

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

Current into any output in the high state, IO (see Note 2): SN54LVTH574

48 mA

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

SN74LVTH574

64 mA

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

Input clamp current, IIK (VI < 0)

–50 mA

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

Output clamp current, IOK (VO < 0)

–50 mA

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

Package thermal impedance,

θJA (see Note 3): DB package

115

°C/W

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

DW package

°C/W

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

PW package

128

°C/W

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

Storage temperature range, Tstg

–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.

NOTES:

1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.

2. This current flows only when the output is in the high state and VO > VCC.

3. The package thermal impedance is calculated in accordance with JESD 51.

recommended operating conditions (see Note 4)

SN54LVTH574

SN74LVTH574

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

2.7

3.6

2.7

3.6

VIH

High-level input voltage

VIL

Low-level input voltage

0.8

Input voltage

5.5

IOH

High-level output current

–24

–32

IOL

Low-level output current

∆t/∆v

Input transition rise or fall rate

Outputs enabled

ns/V

∆t/∆VCC

Power-up ramp rate

200

µs/V

Operating free-air temperature

–55

125

–40

°C

NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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