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PDF USB1T11AM Data sheet ( Hoja de datos )
| Número de pieza | USB1T11AM | |
| Descripción | Universal Serial Bus Transceiver | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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November 1999
Revised December 1999
USB1T11A
Universal Serial Bus Transceiver
General Description
The USB1T11A is a one chip generic USB transceiver. It is
designed to allow 5.0V or 3.3V programmable and stan-
dard logic to interface with the physical layer of the Univer-
sal 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.
The input and output signals of the USB1T11A conform
with the “Serial Interface Engine”. Implementation of the
Serial Interface Engine along with the USB1T11A allows
the designer to make USB compatible devices with off-the-
shelf logic and easily modify and update the application.
Features
s Complies with Universal Serial Bus specification 1.1
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 Compatible with the VHDL “Serial Interface Engine” from
USB Implementers’ Forum
s Supports single-ended data interface
s Single 3.3V supply
s ESD Performance : Human Body Model > 4000 V
Ordering Code:
Order Number Package Number
Package Description
USB1T11AM
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
USB1T11AMTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Logic Diagram
© 1999 Fairchild Semiconductor Corporation DS500234
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 to 600 pF; RL = 1.5k on D− to VCC
Limits
Symbol
Parameter
Test Conditions
Tamb = −40°C to +85°C
Min Typ Max
DRIVER CHARACTERISTICS:
tLR
tLF
tRFM
VCRS
tPLH
tPHL
tPHZ
tPLZ
tPZH
tPZL
tPLH
tPHL
tPLH
tPHL
Rise Time
Fall Time
Rise/Fall Time Matching
Output Signal Crossover Voltage
DRIVER TIMINGS:
Driver Propagation Delay
(VPO, VMO/FSEO to D+/D−)
Driver Disable Delay
(OE# to D+/D−)
Driver Enable Delay
(OE# to D+/D−)
RECEIVER TIMINGS:
Receiver Propagation Delay
(D+, D− to RCV)
Single-ended Receiver Delay
(D+, D− to VP, VM)
10% and 90%
Figure 1
Figure 1
(tr/tf)
Figure 2
Figure 2
Figure 4
Figure 4
Figure 4
Figure 4
Figure 3
Figure 3
Figure 3
Figure 3
75
75
80
1.3
300
300
120
2.0
300
300
13
13
205
205
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 8 Páginas | |
| PDF Descargar | [ Datasheet USB1T11AM.PDF ] | |
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