MAX3349EETE+ Maxim Integrated Products, MAX3349EETE+ Datasheet

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MAX3349EETE+

Manufacturer Part Number
MAX3349EETE+
Description
IC TXRX USB 2.0 FS 16-TQFN
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.MAX3349EETE.pdf (17 pages)

Specifications of MAX3349EETE+

Number Of Drivers/receivers
1/1
Protocol
USB 2.0
Voltage - Supply
4 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX3349E ±15kV ESD-protected, USB transceiver
provides a full-speed USB interface to a lower voltage
microprocessor or ASIC. The device supports enumer-
ation, suspend, and VBUS detection. A special UART
multiplexing mode routes external UART signals (Rx
and Tx) to D+ and D-, allowing the use of a shared con-
nector to reduce cost and part count for mobile
devices.
The UART interface allows mobile devices such as
PDAs, cellular phones, and digital cameras to use either
UART or USB signaling through the same connector.
The MAX3349E features a separate UART voltage sup-
ply input to support legacy devices using +2.75V signal-
ing. The MAX3349E supports a maximum UART baud
rate of 921kbaud.
Upon connection to a USB host, the MAX3349E enters
USB mode and provides a full-speed USB 2.0 compliant
interface through VP, VM, RCV, and OE. The MAX3349E
features internal series termination resistors on D+ and
D-, and an internal 1.5kΩ pullup resistor to D+ to allow
the device to logically connect and disconnect from the
USB while plugged in. A suspend mode is provided for
low-power operation. D+ and D- are protected from
electrostatic discharge (ESD) up to ±15kV.
The MAX3349E is available in 16-pin TQFN (4mm x
4mm) and 16-bump UCSP™ (2mm x 2mm) packages,
and is specified over the -40°C to +85°C extended tem-
perature range.
19-3952; Rev 0; 3/06
UCSP is a trademark of Maxim Integrated Products, Inc.
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.
Cell Phones
PDAs
Digital Cameras
MP3 Players
USB 2.0 Full-Speed Transceiver with UART
________________________________________________________________ Maxim Integrated Products
General Description
TOP VIEW
V
TRM
VM
V
L
*EXPOSED PADDLE—CONNECT TO GND OR LEAVE UNCONNECTED.
15
16
13
14
+
Applications
TQFN-EP (4mm x 4mm)
12
1
*EP
MAX3349E
11
2
10
3
9
4
8
7
6
5
SUS
OE
RCV
VP
♦ ±15kV ESD HBM Protection on D+ and D-
♦ UART Mode Routes External UART Signals to
♦ Internal Linear Regulator Allows Direct Powering
♦ Separate Voltage Input for UART
♦ Internal 1.5kΩ Pullup Resistor on D+ Controlled
♦ Internal Series Termination Resistors on D+ and D-
♦ Complies with USB Specification Revision 2.0,
♦ Built-In Level Shifting Down to +1.4V, Ensuring
♦ V
♦ Combined VP and VM Inputs/Outputs
♦ No Power-Supply Sequencing Required
♦ Available in 16-Bump UCSP (2mm x 2mm)
Note: All devices specified for the -40°C to +85°C extended
temperature range.
*Future product—contact factory for availability.
B
C
D
A
+ DENOTES PB-FREE PACKAGE.
MAX3349EEBE-T
MAX3349EETE*
TOP VIEW
D+/D-
from the USB Cable
Transmitter/Receiver (V
by Enumerate Input
Full-Speed 12Mbps Operation
Compatibility with Low-Voltage ASICs
Package
+
BUS
V
V
(BUMPS ON BOTTOM OF DIE)
V
UART
TRM
V
BUS
1
L
PART
UCSP (2mm x 2mm)
Detection
ENUM
VM
RX
D+
2
MAX3349E
Multiplexing Mode
SUS
TX
VP
D-
3
PIN-PACKAGE
16 UCSP
16 TQFN
GND
RCV
BD
OE
4
Ordering Information
Pin Configurations
UART
)
PACKAGE CODE
B16-1
T1644-4
Features
1

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MAX3349EETE+ Summary of contents

Page 1

... *EXPOSED PADDLE—CONNECT TO GND OR LEAVE UNCONNECTED. UCSP is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products 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. ♦ ±15kV ESD HBM Protection on D+ and D- ♦ UART Mode Routes External UART Signals to D+/D- ♦ ...

Page 2

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND, unless otherwise noted D+, D- ..........................................-0.3V to +6V UART L BUS V .........................................................-0. TRM VP, VM, ...

Page 3

USB 2.0 Full-Speed Transceiver with UART ELECTRICAL CHARACTERISTICS (continued +4.0V to +5.5V +2.7V to +3.3V, V BUS UART ues are +5V +1.8V, V BUS L UART PARAMETER V Power-Supply Detection UART ...

Page 4

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode ELECTRICAL CHARACTERISTICS (continued +4.0V to +5.5V +2.7V to +3.3V, V BUS UART ues are +5V +1.8V, V BUS L UART ESD PROTECTION (D+, ...

Page 5

USB 2.0 Full-Speed Transceiver with UART TIMING CHARACTERISTICS (continued +4.0V to +5.5V +2.7V to +3.3V, V BUS UART are +5V +1.8V, V BUS L UART PARAMETER Single-Ended Receiver Disable Delay Single-Ended ...

Page 6

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode (V = +5V +3.3V +2.75V, T BUS L UART SINGLE-ENDED RECEIVER PROPAGATION DELAY vs +85° +25° ...

Page 7

USB 2.0 Full-Speed Transceiver with UART PIN TYPE NAME UCSP TQFN A1 1 POWER V UART A2 2 OUTPUT INPUT OUTPUT POWER I I/O VP ...

Page 8

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode FR_TUART USB_OHD OHD 90% 90% 10 USB_OLD OLD Figure 1. Rise and Fall Times VP AND VM RISE/FALL TIMES < 4ns VM ...

Page 9

USB 2.0 Full-Speed Transceiver with UART OE VP/ PLZ_SE PZL_SE OE VP/ PHZ_SE PZH_SE Figure 5. Receiver Enable and Disable Timing TEST 220Ω POINT MAX3349E D+/ 50pF Figure 6. Test Circuit for Disable Time ...

Page 10

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode I 100 90% AMPERES 36.8% 10% 0 TIME CURRENT WAVEFORM Figure 10. Human Body Model Current Waveform 50MΩ to 100MΩ ...

Page 11

USB 2.0 Full-Speed Transceiver with UART Table 1. Power-Supply Configuration V (V) V BUS TRM +4.0 to +5.5 +3.0 to +3.6 Output +4.0 to +5.5 +3.0 to +3.6 Output GND or Unconnected High Impedance Table 2. USB Transmit Truth Table ...

Page 12

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode remains enabled in suspend mode to allow transmis- sion of a remote wake- and D-. D+ and D- are either USB signals or UART signals, depending on the operating mode. ...

Page 13

USB 2.0 Full-Speed Transceiver with UART TX 50% t PLH_TUART 90% 50% D- 10% t FR_TUART Figure 13. UART Transmitter Timing ground with a 1µF ceramic capacitor. Place all bypass capacitors as close as possible to the device . Power ...

Page 14

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode USB SERIAL- INTERFACE ENGINE (SIE) ASIC UART MICROCONTROLLER 14 ______________________________________________________________________________________ Typical Operating Circuit UART 0.1µF 0.1µ TRM OE RCV 1µ MAX3349E ...

Page 15

USB 2.0 Full-Speed Transceiver with UART UART LEVEL SHIFTING ENUM UART Rx RX UART SUS RCV ______________________________________________________________________________________ Multiplexing Mode Functional Diagram V TRM 3.3V LINEAR REGULATOR VTH_VBUS 1.5kΩ USB DIFFERENTIAL TRANSMITTER D+ ...

Page 16

USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 16 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE, 4x4 UCSP 1 ...

Page 17

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2006 Maxim Integrated Products ...

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