MAX3349EETE+ Maxim Integrated Products, MAX3349EETE+ Datasheet - Page 8
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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
USB 2.0 Full-Speed Transceiver with UART
Multiplexing Mode
Figure 1. Rise and Fall Times
Figure 2. Timing of VP and VM to D+ and D-
8
V
V
VM
VP
D+
USB_OLD
USB_OHD
D-
_______________________________________________________________________________________
, V
, V
OLD
OHD
t
PLH_DRV
t
FR
, t
FR_TUART
10%
90%
V
CRS_F
VP AND VM RISE/FALL TIMES < 4ns
90%
t
PHL_DRV
t
FF
10%
, t
FF_TUART
Figure 3. Driver Enable and Disable Timing
Figure 4. D+/D- Timing to VP, VM, and RCV
OE
OE
D+/D-
D+/D-
+3V
D+/D-
0V
RCV, VM, AND VP
t
t
PHZ_DRV
PLZ_DRV
t
t
PLH_RCV
PLH_SE
V
L
,
Timing Diagrams
t
t
PZL_DRV
PZH_DRV
INPUT RISE/FALL TIME < 4ns
VP/VM CONNECTED TO GND,
D+/D- CONNECTED
TO PULLUP
VP/VM CONNECTED TO V
D+/D- CONNECTED
TO PULLDOWN
t
t
PHL_RCV
PHL_SE
,
L
,