PCA9511D datasheet(10/18 Pages) NXP

Part #	PCA9511D

Description	Hot swappable I2C-bus and SMBus bus buffer

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Manufacturer	NXP [NXP Semiconductors]

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10 / 18 page

Philips Semiconductors

Product data sheet

PCA9511

Hot swappable I2C-bus and SMBus bus buffer

2006 Aug 23

10

ELECTRICAL CHARACTERISTICS

VCC = 2.7 V to 5.5 V; Tamb = –40 to +85 °C unless otherwise noted.

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

Power supply

VCC

Supply voltage

Note 1

2.7

—

5.5

V

ICC

Supply current

VCC = 5.5 V;

VSDAIN = VSCLIN = 0 V;

Note 1.

—

2.8

6

mA

ICC(sd)

Supply current in shut-down mode

VENABLE = 0 V, all other

pins at VCC or GND

—

200

—

µA

Start-up circuitry

VPRE

Precharge voltage

SDA, SCL floating; Note 1

0.8

1.0

1.2

V

VEN

Enable threshold voltage

—

0.5VCC

0.7VCC

V

VDIS

Disable threshold voltage

0.3VCC

0.5VCC

—

V

IEN

Enable input current

Enable from 0 V to VCC

—

±0.1

±1

µA

tEN

Enable delay or initialization time

—

130

—

µs

tIDLE

Bus idle time

Note 1

50

120

250

µs

tDIS

Disable time, ENABLE to READY

—

15

—

ns

tSTOP

SDAIN to READY delay after STOP

Note 7

—

1.3

—

µs

tREADY

SCLOUT/SDAOUT to READY

Note 7

—

1.2

—

µs

IOFF

READY off-state leakage current

VEN = VCC

—

±0.3

—

µA

Ci

ENABLE capacitance

VI = VCC or GND, Note 4

—

2

—

pF

CO

READY capacitance

VI = VCC or GND, Note 4

—

2

—

pF

VOL(READY)

LOW-level output voltage on READY pin

Ipull-up = 3 mA; VEN = VCC;

Note 1.

—

0.4

V

Rise time accelerators

IPULLUPAC

Transient boosted pull-up current

Positive transition on SDA,

SCL, VCC = 2.7 V;

Slew rate = 1.25 V/

µs Note

2.

1

2

—

mA

Input–output connection

VOS

Input–output offset voltage

10 k

Ω to VCC on SDA, SCL;

VCC = 3.3 V; Note 1; Note 3.

0

65

150

mV

fSCL_SDA

operating frequency

0

—

400

kHz

tPLH

SCL to SCL and SDA to SDA

10 k

Ω to VCC, CL = 100 pF

each side

—

25

—

ns

tPHL

SCL to SCL and SDA to SDA

10 k

Ω to VCC, CL = 100 pF

each side

—

380

—

ns

CIN

Digital input capacitance

Note 4

—

10

pF

VOL

LOW-level output voltage

Input = 0 V,

SDA, SCL pins, ISINK = 3

mA;

VCC = 2.7 V; Note 1

0

—

0.4

V

ILI

Input leakage current

SDA, SCL pins = VCC =

5.5 V

—

±5

µA

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