74LVC8T245PW datasheet(7/28 Pages) NXP

Il numero della parte	74LVC8T245PW

Spiegazioni elettronici	8-bit dual supply translating transceiver; 3-state

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74LVC_LVCH8T245

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Product data sheet

Rev. 3 — 12 December 2011

7 of 28

NXP Semiconductors

74LVC8T245; 74LVCH8T245

8-bit dual supply translating transceiver; 3-state

VIL

LOW-level

input voltage

data input

[1]

VCCI = 1.2 V

-

0.2VCCI

-0.2VCCI

V

VCCI = 1.4 V to 1.95 V

-

0.35VCCI

-0.35VCCI

V

VCCI = 2.3 V to 2.7 V

-

0.7

-

0.7

V

VCCI = 3.0 V to 3.6 V

-

0.8

-

0.8

V

VCCI = 4.5 V to 5.5 V

-

0.3VCCI

-0.3VCCI

V

DIR, OE input

VCCI = 1.2 V

-

0.2VCC(A)

-0.2VCC(A) V

VCCI = 1.4 V to 1.95 V

-

0.35VCC(A)

-

0.35VCC(A) V

VCCI = 2.3 V to 2.7 V

-

0.7

-

0.7

V

VCCI = 3.0 V to 3.6 V

-

0.8

-

0.8

V

VCCI = 4.5 V to 5.5 V

-

0.3VCC(A)

-0.3VCC(A) V

VOH

HIGH-level

output voltage

VI = VIH

IO = 100 A;

VCCO = 1.2 V to 4.5 V

[2]

VCCO  0.1

-

VCCO  0.1

-

V

IO = 6mA; VCCO = 1.4 V

1.0

-

1.0

-

V

IO = 8mA; VCCO = 1.65 V

1.2

-

1.2

-

V

IO = 12 mA; VCCO = 2.3 V

1.9

-

1.9

-

V

IO = 24 mA; VCCO = 3.0 V

2.4

-

2.4

-

V

IO = 32 mA; VCCO = 4.5 V

3.8

-

3.8

-

V

VOL

LOW-level

output voltage

VI = VIL

[2]

IO = 100 A;

VCCO = 1.2 V to 4.5 V

-

0.1

-

0.1

V

IO = 6 mA; VCCO = 1.4 V

-

0.3

-

0.3

V

IO = 8 mA; VCCO = 1.65 V

-

0.45

-

0.45

V

IO = 12 mA; VCCO = 2.3 V

-

0.3

-

0.3

V

IO = 24 mA; VCCO = 3.0 V

-

0.55

-

0.55

V

IO = 32 mA; VCCO = 4.5 V

-

0.55

-

0.55

V

II

input leakage

current

DIR, OE input; VI = 0 V to 5.5 V;

VCCI = 1.2 V to 5.5 V

-

2-

10

A

IBHL

bus hold LOW

current

A or B port

[1]

VI = 0.49 V; VCCI =1.4 V

15

-

10

-

A

VI = 0.58 V; VCCI =1.65 V

25

-

20

-

A

VI = 0.70 V; VCCI =2.3 V

45

-

45

-

A

VI = 0.80 V; VCCI =3.0 V

100

-

80

-

A

VI = 1.35 V; VCCI =4.5 V

100

-

100

-

A

Table 7.

Static characteristics …continued

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

40 C to +85 C

40 C to +125 C

Unit

Min

Max

Min

Max

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