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PDF USB1T20MTC Data sheet ( Hoja de datos )
| Número de pieza | USB1T20MTC | |
| Descripción | Universal Serial Bus Transceiver | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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September 2004
Revised January 2005
USB1T20
Universal Serial Bus Transceiver
General Description
The USB1T20 is a generic USB 2.0 compliant transceiver.
Using a single voltage supply, the USB1T20 provides an
ideal USB interface solution for any electronic device able
to supply 3.0V to 3.6V. It is designed to allow 5.0V or 3.3V
programmable and standard logic to interface with the
physical layer of the Universal Serial Bus. It is capable of
transmitting and receiving serial data at both full speed
(12Mbit/s) and low speed (1.5Mbit/s) data rates.
Packaged in industry standard TSSOP and Fairchild’s
ultra-small 2.5mm x 2.5mm MLP package, the USB1T20 is
ideal for ultra-portable electronics and other space con-
strained applications.
Features
s Complies with Universal Serial Bus specification 2.0 for
FS/LS applications
s Utilizes digital inputs and outputs to transmit and receive
USB cable data
s Supports 12Mbit/s “Full Speed” and 1.5Mbit/s
“Low Speed” serial data transmission
s Supports single-ended and differential data interface as
function of MODE
s Single 3.3V supply
s ESD Performance: Human Body Model
> 9.5 kV on D−, D+ pins only
> 4 kV on all other pins
s Space saving 14-terminal MLP package
Ordering Code:
Order Number Package Number
Package Description
USB1T20MPX
(Preliminary)
MLP14D
14-Terminal Molded Leadless Package (MLP), 2.5mm Square
USB1T20MTC
(Note 1)
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Note 1: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Connection Diagrams
Terminal Assignments for MLP (Preliminary)
(Top View)
Pin Assignments for TSSOP
© 2005 Fairchild Semiconductor Corporation DS500894
(Top View)
www.fairchildsemi.com
1 page  
AC Electrical Characteristics (D+/D− Pins, Low Speed)
Over recommended range of supply voltage and operating free air temperature (unless otherwise noted).
VCC = 3.0V to 3.6V; CL = 200 pF to 600 pF; RL = 1.5kΩ on D− to VCC
Limits
Symbol
Parameter
Test Conditions
TAMB = −40°C to +85°C
Min Typ Max
Driver Characteristics
10% and 90%
tLR Rise Time
tLF Fall Time
tRFM
Rise/Fall Time Matching
VCRS
Output Signal Crossover Voltage
Driver Timings
Figure 1
Figure 1
(tR/tF)
75 300
75 300
80 120
1.3 2.0
tPLH
tPHL
tPHZ
Driver Propagation Delay
(Vpo, Vmo/FSEO to D+/D−)
Driver Disable Delay
Figure 2
Figure 2
Figure 4
300
300
13
tPLZ (OE to D+/D−)
tPZH Driver Enable Delay
Figure 4
Figure 4
13
205
tPZL (OE to D+/D−)
Receiver Timings
Figure 4
205
tPLH Receiver Propagation Delay
tPHL (D+, D− to RCV)
tPLH Single-ended Receiver Delay
tPHL (D+, D− to Vp, Vm)
Figure 3
Figure 3
Figure 3
Figure 3
18
18
28
28
Unit
ns
%
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5 www.fairchildsemi.com
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet USB1T20MTC.PDF ] | |
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