74VHC_VHCT245_15 datasheet(5/16 Pages) PHILIPS

tên linh kiện	74VHC_VHCT245

Giải thích chi tiết về linh kiện	Octal bus transceiver; 3-state

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74VHC_VHCT245_1

Product data sheet

Rev. 01 — 25 August 2009

5 of 16

NXP Semiconductors

74VHC245; 74VHCT245

Octal bus transceiver; 3-state

8.

Recommended operating conditions

9.

Static characteristics

Table 5.

Operating conditions

Symbol Parameter

Conditions

Min

Typ

Max

Unit

74VHC245

VCC

supply voltage

2.0

5.0

5.5

V

VI

input voltage

0

-

5.5

V

VO

output voltage

0

-

VCC

V

Tamb

ambient temperature

−40

+25

+125

°C

∆t/∆V

input transition rise and fall rate

VCC = 3.0 V to 3.6 V

-

100

ns/V

VCC = 4.5 V to 5.5 V

-

20

ns/V

74VHCT245

VCC

supply voltage

4.5

5.0

5.5

V

VI

input voltage

0

-

5.5

V

VO

output voltage

0

-

VCC

V

Tamb

ambient temperature

−40

+25

+125

°C

∆t/∆V

input transition rise and fall rate

VCC = 4.5 V to 5.5 V

-

20

ns/V

Table 6.

Static characteristics

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

Symbol Parameter

Conditions

25

°C

−40 °C to +85 °C −40 °C to +125 °C Unit

Min

Typ

Max

Min

Max

Min

Max

74VHC245

VIH

HIGH-level

input voltage

VCC = 2.0 V

1.5

-

1.5

-

1.5

-

V

VCC = 3.0 V

2.1

-

2.1

-

2.1

-

V

VCC = 5.5 V

3.85

-

3.85

-

3.85

-

V

VIL

LOW-level

input voltage

VCC = 2.0 V

-

0.5

-

0.5

-

0.5

V

VCC = 3.0 V

-

0.9

-

0.9

-

0.9

V

VCC = 5.5 V

-

1.65

-

1.65

-

1.65

V

VOH

HIGH-level

output voltage

VI = VIH or VIL

IO = −50 µA; VCC = 2.0 V

1.9

2.0

-

1.9

-

1.9

-

V

IO = −50 µA; VCC = 3.0 V

2.9

3.0

-

2.9

-

2.9

-

V

IO = −50 µA; VCC = 4.5 V

4.4

4.5

-

4.4

-

4.4

-

V

IO = −4.0 mA; VCC = 3.0 V

2.58

-

2.48

-

2.40

-

V

IO = −8.0 mA; VCC = 4.5 V

3.94

-

3.80

-

3.70

-

V

VOL

LOW-level

output voltage

VI = VIH or VIL

IO = 50 µA; VCC = 2.0 V

-

0

0.1

-

0.1

-

0.1

V

IO = 50 µA; VCC = 3.0 V

-

0

0.1

-

0.1

-

0.1

V

IO = 50 µA; VCC = 4.5 V

-

0

0.1

-

0.1

-

0.1

V

IO = 4.0 mA; VCC = 3.0 V

-

0.36

-

0.44

-

0.55

V

IO = 8.0 mA; VCC = 4.5 V

-

0.36

-

0.44

-

0.55

V

Số phần tương tự - 74VHC_VHCT245_15

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