19-0667; Rev 0; 10/06
USB 2.0 Full-Speed Transceiver with UART
Multiplexing Mode
General Description
Features
♦ ±±15kV ESVꢀHBVꢁProteoꢂrꢃVrꢃVSDVꢄꢃnVSꢅ
The MAX3349EA ±±15k EꢀSD-proeꢁoeꢂd ꢃꢀꢄ opꢅanꢁeꢆiD
ep -priꢆꢂen ꢅ fullDn-eeꢂ ꢃꢀꢄ ꢆaoepfꢅꢁe or ꢅ lrwep irloꢅge
mꢆꢁpr-prꢁennrp rp AꢀIC. The ꢂeiꢆꢁe nu--rpon eaumepꢅD
oꢆrad nun-eaꢂd ꢅaꢂ kꢄꢃꢀ ꢂeoeꢁoꢆra. A n-eꢁꢆꢅl ꢃART
muloꢆ-lexꢆag mrꢂe pruoen exoepaꢅl ꢃART nꢆgaꢅln (Rx ꢅaꢂ
Tx) or S+ ꢅaꢂ SDd ꢅllrwꢆag ohe une rf ꢅ nhꢅpeꢂ ꢁraaeꢁD
orp or peꢂuꢁe ꢁrno ꢅaꢂ -ꢅpo ꢁruao frp mrbꢆle ꢂeiꢆꢁen.
♦ UARTVBrntVRruotsV xotPꢃꢄlVUARTVEꢂgꢃꢄlsVor
SD/Sꢅ
♦ IꢃotPꢃꢄlVLꢂꢃtꢄPVRtgulꢄorPVAllrwsVSꢂPteoVꢁrwtPꢂꢃg
fPrmVohtVUEHVCꢄbltV
♦ EtpꢄPꢄotVkrloꢄgtVIꢃpuoVfrPVUART
The ꢃART ꢆaoepfꢅꢁe ꢅllrwn mrbꢆle ꢂeiꢆꢁen nuꢁh ꢅn
PSAnd ꢁellulꢅp -hraend ꢅaꢂ ꢂꢆgꢆoꢅl ꢁꢅmepꢅn or une eꢆohep
ꢃART rp ꢃꢀꢄ nꢆgaꢅlꢆag ohprugh ohe nꢅme ꢁraaeꢁorp.
The MAX3349EA feꢅoupen ꢅ ne-ꢅpꢅoe ꢃART irloꢅge nu-D
-ly ꢆa-uo or nu--rpo legꢅꢁy ꢂeiꢆꢁen unꢆag +2.71k nꢆgaꢅlD
ꢆag. The MAX3349EA nu--rpon ꢅ mꢅxꢆmum ꢃART bꢅuꢂ
pꢅoe rf 92±5bꢅuꢂ.
TPꢄꢃsmꢂootP/RtetꢂvtPV(k
)
UART
♦ IꢃotPꢃꢄlV±.15 ꢁullupVRtsꢂsorPVrꢃVSDVCrꢃoPrlltn
byV ꢃumtPꢄotVIꢃpuo
♦ IꢃotPꢃꢄlVEtPꢂtsVTtPmꢂꢃꢄoꢂrꢃVRtsꢂsorPsVrꢃVSDVꢄꢃnVSꢅ
♦ CrmplꢂtsVwꢂohVUEHVEpteꢂfꢂeꢄoꢂrꢃVRtvꢂsꢂrꢃV2.0,
FullꢅEpttnV±2BbpsVOptPꢄoꢂrꢃ
ꢃ-ra ꢁraaeꢁoꢆra or ꢅ ꢃꢀꢄ hrnod ohe MAX3349EA eaoepn
ꢃꢀꢄ mrꢂe ꢅaꢂ -priꢆꢂen ꢅ fullDn-eeꢂ ꢃꢀꢄ 2.0 ꢁrm-lꢆꢅao
ꢆaoepfꢅꢁe ohprugh kPd kMd RCkd ꢅaꢂ OE. The
MAX3349EA feꢅoupen ꢆaoepaꢅl nepꢆen oepmꢆaꢅoꢆra penꢆnorpn
ra S+ ꢅaꢂ SDd ꢅaꢂ ꢅa ꢆaoepaꢅl ±.15 -ullu- penꢆnorp or
S+ or ꢅllrw ohe ꢂeiꢆꢁe or lrgꢆꢁꢅlly ꢁraaeꢁo ꢅaꢂ ꢂꢆnꢁraD
aeꢁo fprm ohe ꢃꢀꢄ whꢆle -luggeꢂ ꢆa. A nun-eaꢂ mrꢂe ꢆn
-priꢆꢂeꢂ frp lrwD-rwep r-epꢅoꢆra. S+ ꢅaꢂ SD ꢅpe -prD
oeꢁoeꢂ fprm eleꢁoprnoꢅoꢆꢁ ꢂꢆnꢁhꢅpge (EꢀS) u- or ±±15k.
♦ HuꢂloꢅIꢃVLtvtlVEhꢂfoꢂꢃgVSrwꢃVorVD±.4k,V ꢃsuPꢂꢃg
CrmpꢄoꢂbꢂlꢂoyVwꢂohVLrwꢅkrloꢄgtVAEICs
♦ k
Stoteoꢂrꢃ
HUE
♦ CrmbꢂꢃtnVkꢁVꢄꢃnVkBVIꢃpuos/Ouopuos
♦ NrVꢁrwtPꢅEupplyVEtqutꢃeꢂꢃgVRtquꢂPtn
♦ AvꢄꢂlꢄbltVꢂꢃV±6ꢅHumpVUCEꢁV(2mmVxV2mm)
ꢁꢄe5ꢄgt
The MAX3349EA ꢆn ꢅiꢅꢆlꢅble ꢆa ±6D-ꢆa TQFN (4mm x
4mm) ꢅaꢂ ±6Dbum- ꢃCꢀP™ (2mm x 2mm) -ꢅꢁ5ꢅgend
ꢅaꢂ ꢆn n-eꢁꢆfꢆeꢂ riep ohe D40°C or +81°C exoeaꢂeꢂ oemD
-epꢅoupe pꢅage.
Ordering Information
ꢁART
ꢁINꢅꢁACKAG
±6 ꢃCꢀP
ꢁKGVCOS
ꢄ±6D±
MAX3349EAEꢄE+T
MAX3349EAETE**
Applications
±6 TQFNDEP*
T±644D4
Cell Phraen
PSAn
Note: All devices specified for the -40°C to +85°C extended
temperature range.
**Future product—contact factory for availability.
*EP = Exposed paddle.
Sꢆgꢆoꢅl Cꢅmepꢅn
MP3 Plꢅyepn
+Indicates lead-free package.
Pin Configurations
TOP VIEW
TOP VIEW
4
1
2
3
+
12
11
10
9
MAX3349EA
RX
A
V
ENUM
13
14
15
UART
BD
RCV
OE
TX
VP
8
7
6
5
SUS
OE
*EP
V
TRM
V
L
VM
B
MAX3349EA
V
L
RCV
VP
C
V
TRM
ENUM
D+
SUS
D-
VM 16
D
V
BUS
GND
+
1
2
3
4
UCEꢁV(2mmVxV2mm)
(HUBꢁEVONVHOTTOBVOFVSI )
TQFNꢅ ꢁV(4mmVxV4mm)
*EXPOSED PADDLE—CONNECT TO GND OR LEAVE UNCONNECTED.
+ DENOTES LEAD-FREE PACKAGE.
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.