SN74ALVTH16827DGG datasheet(2/9 Pages) TI

No de pièce	SN74ALVTH16827DGG

Description	2.5-V/3.3-V 20-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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Fabricant	TI [Texas Instruments]

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SN54ALVTH16827, SN74ALVTH16827

2.5-V/3.3-V 20-BIT BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCES076E – JULY 1996 – REVISED DECEMBER 1998

2

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

description (continued)

When VCC is between 0 and 1.2 V, the device is in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 1.2 V, OE should be tied to VCC through a pullup resistor;

the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN54ALVTH16827 is characterized for operation over the full military temperature range of –55

°C to

125

°C. The SN74ALVTH16827 is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

(each 10-bit section)

INPUTS

OUTPUT

OE1

OE2

A

Y

L

LH

H

XX

Z

X

H

X

Z

logic diagram (positive logic)

1Y1

2

1

55

1OE1

1OE2

56

2Y1

15

28

42

29

2OE1

2OE2

To Nine Other Channels

1A1

2A1

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 7 V

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

Output current in the low state, IO: SN54ALVTH16827

96 mA

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

SN74ALVTH16827

128 mA

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

Output current in the high state, IO: SN54ALVTH16827

–48 mA

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

SN74ALVTH16827

–64 mA

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

Input clamp current, IIK (VI < 0)

–50 mA

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

Output clamp current, IOK (VO < 0)

–50 mA

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

Package thermal impedance,

θJA (see Note 2): DGG package

81

°C/W

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

DGV package

86

°C/W

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

DL package

74

°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.

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