TCA9406 datasheet(5/19 Pages) TI | 2-BIT BIDIRECTIONAL 1MHz, I2C BUS AND SMBUS VOLTAGE-LEVEL TRANSLATOR

5 / 19 page

TCA9406

www.ti.com

SCPS221 – JULY 2010

ELECTRICAL CHARACTERISTICS

(1) (2) (3)

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

TA = 25°C

–40°C to 85°C

TEST

PARAMETER

VCCA

VCCB

UNIT

CONDITIONS

MIN

TYP

MAX

MIN

MAX

IOH = –20 mA,

VOHA

1.65 V to 3.6 V

2.3 V to 5.5 V

VCCA × 0.67

VIB ≥ VCCB – 0.4 V

IOL = 1 mA,

VOLA

1.65 V to 3.6 V

2.3 V to 5.5 V

0.4

VIB ≤ 0.15 V

IOH = –20 mA,

VOHB

1.65 V to 3.6 V

2.3 V to 5.5 V

VCCB × 0.67

VIA ≥ VCCA – 0.2 V

IOL = 1 mA,

VOLB

1.65 V to 3.6 V

2.3 V to 5.5 V

0.4

VIA ≤ 0.15 V

1.65 V to 3.6 V

2.3 V to 5.5 V

±1

±2

A port

0 V

0 to 5.5 V

±1

±2

Ioff

B port

0 to 3.6 V

0 V

±1

±2

IOZ

A or B port

1.65 V to 3.6 V

2.3 V to 5.5 V

±1

±2

1.65 V to VCCB

2.3 V to 5.5 V

2.4

VI = VO = open,

ICCA

3.6 V

0 V

2.2

IO = 0

0 V

5.5 V

–1

1.65 V to VCCB

2.3 V to 5.5 V

VI = VO = open,

ICCB

3.6 V

0 V

–1

IO = 0

0 V

5.5 V

VI = VCCI or GND,

ICCA + ICCB

1.65 V to VCCB

2.3 V to 5.5 V

14.4

IO = 0

3.3 V

2.5

3.5

A or B port

3.3 V

Cio

A port

B port

7.5

(1)

VCCI is the VCC associated with the input port.

(2)

VCCO is the VCC associated with the output port.

(3)

VCCA must be less than or equal to VCCB, and VCCA must not exceed 3.6 V.

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