BCT574 datasheet(2/18 Pages) TI

2 / 18 page

SN54BCT574, SN74BCT574

OCTAL TRANSPARENT D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCBS074C – SEPTEMBER 1991 – REVISED MARCH 2003

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

description/ordering information (continued)

OE does not affect internal operations of the flip-flops. Old data can be retained or new data can be entered

while the outputs are in the high-impedance state.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLK

↑

H or L

logic diagram (positive logic)

CLK

To Seven Other Channels

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

Supply voltage range, VCC

–0.5 V to 7 V

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

Input voltage range, VI (see Note 1)

–0.5 V to 7 V

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

Voltage range applied to any output in the disabled or power-off state, VO

–0.5 V to 5.5 V

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

Voltage range applied to any output in the high state, VO

–0.5 V to VCC

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

Input clamp current, IIK (VI < 0)

–30 mA

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

Current into any output in the low state: SN54BCT574

96 mA

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

SN74BCT574

128 mA

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

Package thermal impedance,

θJA (see Note 2): DB package

°C/W

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

DW package

°C/W

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

N package

°C/W

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

NS package

°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 voltage ratings may be exceeded if the input and output current ratings are observed.

2. The package thermal impedance is calculated in accordance with JESD 51-7.

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