SN74ABT620DBLE datasheet(2/11 Pages) TI

2 / 11 page

SN54ABT620, SN74ABT620

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS113D – FEBRUARY 1991 – REVISED APRIL 1998

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

FUNCTION TABLE

INPUTS

OPERATION

OEBA

OEAB

OPERATION

B data to A bus

B data to A bus,

A data to B bus

Isolation

A data to B bus

logic symbol†

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

IEC Publication 617-12.

EN1

EN2

OEAB

OEBA

logic diagram (positive logic)

To Seven Other Channels

218

OEBA

OEAB

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 high or power-off state, VO

–0.5 V to 5.5 V

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

Current into any output in the low state, IO: SN54ABT620

96 mA

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

SN74ABT620

128 mA

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

Input clamp current, IIK (VI < 0)

–18 mA

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

Output clamp current, IOK (VO < 0)

–50 mA

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

Package thermal impedance,

θJA (see Note 2): DB package

115

°C/W

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

DW package

°C/W

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

N 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. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace

length of zero.

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