74AVCH4T245 datasheet(6/26 Pages) NXP

部件名	74AVCH4T245

功能描述	4-bit dual supply translating transceiver with configurable voltage translation; 3-state

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制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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6 / 26 page

74AVCH4T245_1

Product data sheet

Rev. 01 — 6 August 2009

6 of 26

NXP Semiconductors

74AVCH4T245

4-bit dual supply translating transceiver; 3-state

8.

Recommended operating conditions

[1]

VCCO is the supply voltage associated with the output port.

[2]

VCCI is the supply voltage associated with the input port.

9.

Static characteristics

Table 5.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

VCC(A)

supply voltage A

0.8

3.6

V

VCC(B)

supply voltage B

0.8

3.6

V

VI

input voltage

0

3.6

V

VO

output voltage

Active mode

[1] 0VCCO

V

Suspend or 3-state mode

0

3.6

V

Tamb

ambient temperature

−40

+125

°C

∆t/∆V

input transition rise and fall rate

VCCI = 0.8 V to 3.6 V

[2] -

5

ns/V

Table 6.

Typical static characteristics at Tamb = 25 °C[1][2]

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

Symbol Parameter

Conditions

Min

Typ

Max

Unit

VOH

HIGH-level output voltage

VI = VIH or VIL

IO = −1.5 mA; VCC(A) =VCC(B) = 0.8 V

-

0.69

-

V

VOL

LOW-level output voltage

VI = VIH or VIL

IO = 1.5 mA; VCC(A) =VCC(B) = 0.8 V

-

0.07

-

V

II

input leakage current

nDIR, nOE input; VI = 0 V or 3.6 V;

VCC(A) =VCC(B) = 0.8 V to 3.6 V

-

±0.025 ±0.25 µA

IBHL

bus hold LOW current

A or B port; VI = 0.42 V; VCC(A) =VCC(B) = 1.2 V

[3] -26

-

µA

IBHH

bus hold HIGH current

A or B port; VI = 0.78 V; VCC(A) =VCC(B) = 1.2 V

[4] -

−24

-

µA

IBHLO

bus hold LOW overdrive

current

A or B port; VCC(A) = VCC(B) = 1.2 V

[5] -27

-

µA

IBHHO

bus hold HIGH overdrive

current

A or B port; VCC(A) = VCC(B) = 1.2 V

[6] -

−26

-

µA

IOZ

OFF-state output current

A or B port; VO = 0 V or VCCO;

VCC(A) =VCC(B) = 3.6 V

[7] -

±0.5

±2.5

µA

suspend mode A port; VO =0V orVCCO;

VCC(A) = 3.6 V; VCC(B) =0V

[7] -

±0.5

±2.5

µA

suspend mode B port; VO =0V orVCCO;

VCC(A) = 0 V; VCC(B) = 3.6 V

[7] -

±0.5

±2.5

µA

IOFF

power-off leakage current

A port; VI or VO = 0 V to 3.6 V;

VCC(A) =0V;VCC(B) = 0.8 V to 3.6 V

-

±0.1

±1

µA

B port; VI or VO = 0 V to 3.6 V;

VCC(B) =0V;VCC(A) = 0.8 V to 3.6 V

-

±0.1

±1

µA

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类似说明 - 74AVCH4T245

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