74LVCH245ABQ-Q100 datasheet(6/16 Pages) NXP

部件名	74LVCH245ABQ-Q100

功能描述	Octal bus transceiver; 3-state

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制造商	NXP [NXP Semiconductors]

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74LVC_LVCH245A_Q100

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Product data sheet

Rev. 1 — 3 September 2012

6 of 16

NXP Semiconductors

74LVC_LVCH245A_Q100

Octal bus transceiver; 3-state

[1]

All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb =25 C.

[2]

The bus hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal.

[3]

For I/O ports, the parameter IOZ includes the input leakage current.

[4]

Valid for data inputs of bus hold parts only (74LVCH245A-Q100). Note that control inputs do not have a bus hold circuit.

[5]

The specified sustaining current at the data input holds the input below the specified VI level.

[6]

The specified overdrive current at the data input forces the data input to the opposite input state.

IOZ

OFF-state

output current

VI =VIH or VIL;

VO =5.5 V orGND;

VCC =3.6 V

[3]

-

0.1

5-

20

A

IOFF

power-off

leakage

current

VI or VO =5.5 V; VCC = 0.0

V

-

0.1

10

-

20

A

ICC

supply

current

VI =VCC or GND; IO =0A;

VCC =3.6 V

-0.1

10

-

40

A

I

CC

additional

supply

current

per input pin;

VI =VCC  0.6 V; IO =0A;

VCC = 2.7 V to 3.6 V

-

5

500

-

5000

A

CI

input

capacitance

VCC = 0 V to 3.6 V;

VI =GND to VCC

-4.0

-

pF

CI/O

input/output

capacitance

VCC = 0 V to 3.6 V;

VI =GND to VCC

-10

-

pF

IBHL

bus hold

LOW current

VCC = 1.65; VI = 0.58 V

[4][5]

10

-

10

-

A

VCC = 2.3; VI = 0.7 V

30

-

25

-

A

VCC = 3.0; VI = 0.8 V

75

-

60

-

A

IBHH

bus hold

HIGH current

VCC = 1.65; VI = 1.07 V

[4][5]

10

-

10

-

A

VCC = 2.3; VI = 1.7 V

30

-

25

-

A

VCC = 3.0; VI = 2.0 V

75

-

60

-

A

IBHLO

bus hold

LOW

overdrive

current

VCC = 1.95 V

200

-

200

-

A

VCC = 2.7 V

300

-

300

-

A

VCC = 3.6 V

[4][6]

500

-

500

-

A

IBHHO

bus hold

HIGH

overdrive

current

VCC = 1.95 V

200

-

200

-

A

VCC = 2.7 V

300

-

300

-

A

VCC = 3.6 V

[4][6]

500

-

500

-

A

Table 6.

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

Typ[1]

Max

Min

Max

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