SN54ABT16640WD datasheet(2/7 Pages) TI

2 / 7 page

SN54ABT16640, SN74ABT16640

16-BIT BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS107C – APRIL 1992 – REVISED JANUARY 1997

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic symbol†

1A2

1A3

1A4

1A5

1A6

1A7

1A8

2A2

2A3

2A4

2A5

2A6

2A7

2A8

1OE

1A1

1B1

1B6

1B7

1B8

1B2

1B3

1B4

1B5

2A1

2B1

2B6

2B7

2B8

2B2

2B3

2B4

2B5

3 EN2 [AB]

3 EN1 [BA]

1DIR

6 EN5 [AB]

6 EN4 [BA]

2DIR

2OE

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

IEC Publication 617-12.

logic diagram (positive logic)

1OE

1DIR

1A1

1B1

To Seven Other Channels

2OE

2DIR

2A1

2B1

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 (except I/O ports) (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: SN54ABT16640

96 mA

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

SN74ABT16640

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): DGG package

°C/W

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

DL 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 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 EIA/JEDEC Std JESD51.

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