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PDF BU90LV049A Data sheet ( Hoja de datos )
| Número de pieza | BU90LV049A | |
| Descripción | 4bit LVDS Transceiver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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LVDS Interface ICs
4bit LVDS Transceiver
BU90LV049A
No.09057EAT01
●Description
LVDS Interface IC of ROHM "Serializer" "Deserializer" operate from 8MHz to 150MHz wide clock range, and number of bits
range is from 35 to 70. Data is transmitted seven times (7X) stream and reduce cable number by 3(1/3) or less. The
ROHM's LVDS has low swing mode to be able to expect further low EMI.
Driver and Receiver of 4 bits operate to 250MHz. It can be used for a variety of purposes, home appliances such as
LCD-TV, business machines such as decoders, instruments, and medical equipment.
●Features
1) >500 Mbps (250 MHz) switching rates
2) Flow-through pinout simplifies PCB layout.
3) 400 ps typical driver channel-to-channel skew
4) 150 ps typical receiver channel-to-channel skew
5) 3.3V single power supply design
6) ±200mV and ±350mV selectable differential signaling (driver)
7) 6mA and 8mA selectable output drive strength (receiver)
8) 3-STATE output control
9) Internal fail-safe biasing of receiver inputs
10) High impedance on LVDS outputs on power down
11) Conforms to TIA/EIA-644-A LVDS Standard
12) Industrial operating temperature range (-40℃ to +85℃)
●Applications
Car Navigation System
Copier
Digital TV (Signal System)
FA equipment
Medical equipment
Vending machine, Ticket vending machine
●Precaution
■This chip is not designed to protect from radioactivity.
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/13
2009.05 - Rev.A
1 page  
BU90LV049A
●Block diagram
SL
R IN 1-
R IN 1+
R IN 2+
R IN 2-
D O UT2-
D O UT2+
D O UT1+
D O UT1-
EN
Technical Note
R1 ROUT1
R2 ROUT2
D 2 D IN2
D 1 D IN1
Figure 1. Block Diagram
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
5/13
2009.05 - Rev.A
5 Page 
BU90LV049A
Technical Note
Generator
50Ω
RIN+
RIN-
R
ROUT
CL
50Ω Receiver ENABLED
Figure 9. Receiver Propagation Delay and Transition Time Test Circuit
RIN-
RIN+
ROUT
0V Differential
ｔPLHD
20％
80％
1.5V
VID = 200mV
+1.2V
ｔPHLD
80％
1.5V
20％
+1.3V
+1.1V
VOH
VOL
ｔTLH
ｔTHL
Figure 10. Receiver Propagation Delay and Transition Time Waveforms
VCC
S1
Generator
50 O
RIN+
DEVICE
UNDER
EN
RIN-
TEST
1/ 4 BU90LV049A
( Receiver)
Figure 11. Receiver 3-STATE Delay Test Circuit
RL
ROUT
CL
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
11/13
2009.05 - Rev.A
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet BU90LV049A.PDF ] | |
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