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PDF TP561 Data sheet ( Hoja de datos )
| Número de pieza | TP561 | |
| Descripción | 56K Modem USB Chip | |
| Fabricantes | IC Plus | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TP561 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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IC Plus Corp.
凱訊電子股份有限公司
Features
Full compliance with the USB Specification v1.1
Support the RS232 Serial interface
Support automatic handshake mode
Over 1Mbps transfer rate
Support remote wake-up and power management
Dual data buffers for upstream and downstream data
flow
Support default ROM or external EEPROM for device
configuration
On chip USB transceiver
On chip crystal oscillator running at 12M Hz
28 Pins SSOP package
Order Information
TP561: 56K modem USB Chip
TP561
56K Modem USB Chip
General Description
The TP561 operates as a bridge between one USB port
and one standard RS232 Serial port, especially for
TP560x modem chip. There are two large on-chip
buffers accommodate the data flow from two different
buses. The USB bulk-type data is adopted for maximum
data transfer. Automatic handshake is supported at the
Serial port. This device is also compliant with USB
power management and remote wakeup scheme. Only
minimum power is consumed from the host during
suspend. By integrating all the functions into the
SSOP-28 package, this chip is suitable for cable
embedding. Users just simply hook the cable into PC or
Hub’s USB port, then they can connect to any RS-232
devices.
System Block Diagram
USB
Transceiver
Microprocessor
Serial Port
Interface
Clock
Generator
Control
Register
Figure 1. Block Diagram
Preliminary, Specification subject to change without notice
TP561-DS-R001
August 17, 2000
1
1 page  
IC Plus Corp.
凱訊電子股份有限公司
TP561
Electrical Characteristics
Absolute Maximum Rating
Power supply voltage
Operating temperature under bias
Storage temperature
Applied voltage on any pin
-0.3V to 6.0V
0℃ to 70℃
-55℃ to 150℃
-0.3V≦VIN≦VDD+0.3V
Table 4. Absolute Maximum Rating
DC Electrical Characteristics (VDD=5V, GND=0V, TA=0℃ to 70℃)
Symbol
Parameter
Min. Typ.
VDD5V
Operation Voltage
4.75
5.0
IDD Operation Current
19
VIH Input High Voltage
2.0
VIL Input Low Voltage
ILI Input Leakage
-10
VOH
Output High Voltage
3.5
VOL
Output Low Voltage
CIN Input Capacitance
3.0
Max.
5.25
24
+0.8
10
+0.4
Table 5. DC electrical characteristics
Unit
V
mA
V
V
uA
V
V
pF
Conditions
VIN =0, 5.25V
IOH=-0.5mA
IOL=1.5mA
USB Transceiver Characteristics
Parameter
Rise and Fall Times:
(10%―90%)
(90%―10%)
Cross Point
Output Impedance
High Level Output
Low Level Output
High Level Iutput
Low Level Iutput
zCL :50pf
Clock Characteristics
Parameter
Frequency of Operation
Clock Period
Duty Cycle
Symbol
Min
Typ
Max Units
TR 4
TF 4
8 15 ns
8 15 ns
Vcr 1.3 -- 2.0 V
RD 23 28 33 ohm
VOH
2.8
--
--
V
VOL
--
-- 0.7 V
VIH 2.0
--
--
V
VIL --
-- 0.8 V
Min
11.976
83.1
45
Typ
12.000
83.3
50
Max
12.024
83.5
55
Units
MHz
ns
%
5 Preliminary, Specification subject to change without notice
TP561-DS-R001
August 17, 2000
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TP561.PDF ] | |
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