MAX13345E Maxim Integrated Products, MAX13345E Datasheet

MAX13345E

Manufacturer Part Number

MAX13345E

Description

(MAX13342E / MAX13345E) 3-Wire Interface Full Speed USB Transceivers

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX13345E.pdf (18 pages)

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The MAX13342E/MAX13345E USB-compliant trans-

ceivers are designed to minimize the area and external

components required to interface low-voltage ASICs to

USB. The devices comply with USB 2.0 specification for

full-speed-only (12Mbps) operation. The transceivers

include an internal 3.3V regulator, an internal 1.5kΩ D+

pullup resistor, and built-in ±15kV ESD protection cir-

cuitry to protect the USB I/0 ports (D+,D-). The

MAX13345E also has internal series resistors, allowing

it to be wired directly to a USB connector.

These devices operate with logic-supply voltages as

low as +2.3V, ensuring compatibility with low-voltage

ASICs. A low-power mode reduces current consump-

tion to less than 45µA. An enumerate function controls

the D+ pullup resistor, allowing devices to logically dis-

connect while remaining plugged in.

The MAX13342E has controlled output impedance of

2Ω (max) on D+/D-, allowing the use of external switch-

es to multiplex two different USB devices onto a single

USB connector. The MAX13345E has 43.5Ω (max)

internal resistors on D+/D- for direct connection to the

USB connector.

The MAX13342E/MAX13345E are equipped with DAT

and SE0 interface signals. These transceivers provide a

USB detection function that monitors the presence of

USB V

These devices operate over the extended -40°C to +85°C

temperature range and are available in UCSP™ 2.0mm x

1.5mm and 14-pin TDFN (3mm x 3mm) packages.

UCSP™ is a trademark of Maxim Integrated Products, Inc.

19-0621; Rev 0; 10/06

Pin Configurations and Selector Guide appear at end of data

sheet.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

3-Wire Interface Full-Speed USB Transceivers

BUS

PDAs

PC Peripherals

Cellular Telephones

Data Cradles

MP3 Players

and signals the event.

________________________________________________________________ Maxim Integrated Products

With/Without Internal Series Resistors

General Description

Applications

o USB 2.0 (Full-Speed, 12Mbps)-Compliant

o Internal Pullup

o V

o Internal Series Resistors (MAX13345E)

o ±15kV (HBM) ESD Protection on D+, D-, and V

o Enumeration Input Controls D+ Pullup Resistor

o Supports 3-Wire DAT/SE0 Interface

o +2.3V to +3.6V Interface Voltage (V

o No Power-Supply Sequencing Required

o Low USB Output Impedance (MAX13342E)

*Future product—contact factory for availability.

+Denotes lead-free package.

EP = Exposed pad.

MAX13342EETD+

M AX13342E E BC + *

M A X1 3 3 45 EETD +

M AX13345E E BC + *

Typical Operating Circuits continued at end of data sheet.

Transceiver

VOLTAGE

INTERFACE

BUS

SYSTEM

SUPPLY

SYSTEM

PA RT

Detection

0.1µF

Typical Operating Circuits

PIN-

PA CK A G E

14 TD FN- E P

( 3mm x 3m m )

12 U C S P

( 2.0m m x 1.5m m )

14 TD FN- E P

( 3mm x 3m m )

12 U C S P

( 2.0m m x 1.5m m )

DAT

SEO

ENUM

SUS

Ordering Information

MAX13342E

GND

TRM

BUS

D+

D-

31.6Ω

M A RK

T O P

AC U

AD A

AC Z

AC X

1µF

)

Features

CONNECTOR

PK G C O DE

USB

T1433- 2

B12- 3

BUS

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