SN74LVCH245APWTE4 datasheet(5/28 Pages) TI

Numer części	SN74LVCH245APWTE4

Szczegółowy opis	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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Electrical Characteristics

SN54LVCH245A, SN74LVCH245A

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCES008O – JULY 1995 – REVISED DECEMBER 2005

over recommended operating free-air temperature range (unless otherwise noted)

SN54LVCH245A

SN74LVCH245A

PARAMETER

TEST CONDITIONS

VCC

UNIT

MIN TYP(1)

MAX

MIN TYP(1)

MAX

VCC

1.65 V to 3.6 V

– 0.2

IOH = –100 µA

VCC

2.7 V to 3.6 V

– 0.2

IOH = –4 mA

1.65 V

1.2

VOH

V

IOH = –8 mA

2.3 V

1.7

2.7 V

2.2

IOH = –12 mA

3 V

2.4

IOH = –24 mA

3 V

2.2

1.65 V to 3.6 V

0.2

IOL = 100 µA

2.7 V to 3.6 V

0.2

IOL = 4 mA

1.65 V

0.45

VOL

V

IOL = 8 mA

2.3 V

0.7

IOL = 12 mA

2.7 V

0.4

IOL = 24 mA

3 V

0.55

II

Control inputs

VI = 0 to 5.5 V

3.6 V

±5

µA

Ioff

VI or VO = 5.5 V

0

±10

µA

VI = 0.58 V

25

1.65 V

VI = 1.07 V

–25

VI = 0.7 V

45

2.3 V

II(hold)

VI = 1.7 V

–45

µA

VI = 0.8 V

75

3 V

VI = 2 V

–75

VI = 0 to 3.6 V(2)

3.6 V

±500

IOZ(3)

VO = 0 V or (VCC to 5.5 V)

2.3 V to 3.6 V

±15

±5

µA

VI = VCC or GND

10

ICC

IO = 0

3.6 V

µA

3.6 V

≤ V

I ≤ 5.5 V

(4)

10

One input at VCC – 0.6 V,

∆I

CC

2.7 V to 3.6 V

500

µA

Other inputs at VCC or GND

Ci

Control inputs

VI = VCC or GND

3.3 V

4

12

4

pF

Cio

A or B port

VO = VCC or GND

3.3 V

5.5

12

5.5

pF

(1)

All typical values are at VCC = 3.3 V, TA = 25°C.

(2)

This is the bus-hold maximum dynamic current required to switch the input from one state to another.

(3)

For the total leakage current in an I/O port, please consult the II(hold) specification for the input voltage condition 0 V < VI < VCC, and the

IOZ specification for the input voltage conditions VI = 0 V or VI = VCC to 5.5 V. The bus-hold current, at input voltage greater than VCC, is

negligible.

(4)

This applies in the disabled state only.

5

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