74ABT544PW datasheet(5/15 Pages) NXP

部件名	74ABT544PW

功能描述	Octal latched transceiver with dual enable; inverting; 3-state

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制造商	NXP [NXP Semiconductors]

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5 / 15 page

74ABT544_4

Product data sheet

Rev. 04 — 15 January 2009

5 of 15

NXP Semiconductors

74ABT544

Octal latched transceiver with dual enable; inverting; 3-state

7.

Limiting values

[1]

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

[2]

The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction

temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150

°C.

8.

Recommended operating conditions

9.

Static characteristics

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

VCC

supply voltage

−0.5

+7.0

V

VI

input voltage

[1]

−1.2

+7.0

V

VO

output voltage

output in OFF-state or HIGH-state

[1]

−0.5

+5.5

V

IIK

input clamping current

VI < 0 V

−18

-

mA

IOK

output clamping current

VO < 0 V

−50

-

mA

IO

output current

output in LOW-state

-

128

mA

Tj

junction temperature

[2] -

150

°C

Tstg

storage temperature

−65

+150

°C

Table 5.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

4.5

-

5.5

V

VI

input voltage

0

-

VCC

V

VIH

HIGH-level input voltage

2.0

-

V

VIL

LOW-level input voltage

-

0.8

V

IOH

HIGH-level output current

−32

--mA

IOL

LOW-level output current

-

64

mA

∆t/∆V

input transition rise and fall rate

0

-

10

ns/V

Tamb

ambient temperature

in free air

−40

-

+85

°C

Table 6.

Static characteristics

Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

25

°C

−40 °C to +85 °C Unit

Min

Typ

Max

Min

Max

VIK

input clamping voltage VCC = 4.5 V; IIK = −18 mA

−1.2 −0.9

-

−1.2

-

V

VOH

HIGH-level output

voltage

VI = VIL or VIH

VCC = 4.5 V; IOH = −3 mA

2.5

3.2

-

2.5

-

V

VCC = 5.0 V; IOH = −3 mA

3.0

3.7

-

3.0

-

V

VCC = 4.5 V; IOH = −32 mA

2.0

2.3

-

2.0

-

V

VOL

LOW-level output

voltage

VCC = 4.5 V; IOL = 64 mA;

VI =VIL or VIH

-

0.42

0.55

-

0.55

V

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