TCA6418EYFPR datasheet(5/29 Pages) TI1

No de pièce	TCA6418EYFPR

Description	I2C CONTROLLED 18 CHANNEL GPIO EXPANDER

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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TCA6418E

www.ti.com

SCPS243 – SEPTEMBER 2012

ELECTRICAL CHARACTERISTICS

over recommended operating free-air temperature range, VCC = 1.65 V to 3.6 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCCP

MIN

TYP

MAX

UNIT

VIK

Input diode clamp voltage

II = –18 mA

1.65 V to 3.6 V

–1.2

V

VPOR Power-on reset voltage

VI = VCCP or GND, IO = 0

1.65 V to 3.6 V

1

1.4

V

IOH = –1 mA

1.65 V

1.25

1.65 V

1.2

IOH = –8 mA

2.3 V

1.8

GPIO0-17 high-level output

VOH

3 V

2.6

V

voltage

1.65 V

1.1

IOH = –10 mA

2.3 V

1.7

3 V

2.5

IOL = 1 mA

1.65 V

0.4

1.65 V

0.45

IOL = 8 mA

2.3 V

0.25

GPIO0-17 low-level output

VOL

3 V

0.25

V

voltage

1.65 V

0.6

IOL = 10 mA

2.3 V

0.3

3 V

0.25

SDA

VOL = 0.4 V

1.65 V to 3.6 V

3

IOL

mA

INT

VOL = 0.4 V

1.65 V to 3.6 V

3

VI = VCCI or GND; Pull-downs disabled for GPIO0-

II

SCL, SDA, GPIO0-17, RESET

1.65 V to 3.6 V

1

μA

17

rINT

GPIO0-17

55

k

Ω

fSCL = 0 kHz

13

VI on SDA,

fSCL = 400

GPIO0–17,

25

ICC

kHz

1.65 V to 3.6 V

μA

= VCC or GND,

fSCL = 1

IO = 0, I/O = inputs,

35

MHz

CI

SCL

VI = VCCI or GND

1.65 V to 3.6 V

6

8

pF

SDA

10

12.5

Cio

VIO = VCC or GND

1.65 V to 3.6 V

pF

GPIO0-17

5

6

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