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부품번호 | BU8254GUW 기능 |
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기능 | 35bit LVDS Transmitter | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 21 페이지수
LVDS Interface ICs
35bit LVDS Transmitter
35:5 Serializer
BU8254GUW
No.13057EBT10
●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.
●Features
1) 35bits data of parallel LVCMOS level inputs are converted to five channels of LVDS data stream.
2) 30bits of RGB data and 5bits of timing and control data(HSYNC,VSYNC,DE,CNTL1,CNTL2) are
transmitted up to 784Mbps effective rate per LVDS channel.
3) Support clock frequency from 8MHz up to 112MHz.
4) Support consumer video format including 480i, 480P, 720P and 1080i as well.
5) Clock edge selectable
6) Power down mode
7) Support spread spectrum clock generator.
8) Support reduced swing LVDS for low EMI.
9) 30bit LVDS receiver is recommended to use BU90R104.
●Applications
Flat Panel Display
●Precaution
■This chip is not designed to protect from radioactivity.
■The chip is made strictly for the specific application or equipment.
Then it is necessary that the unit is measured as need.
■This document may be used as strategic technical data which subjects to COCOM regulations.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
1/17
2013.06 - Rev.B
BU8254GUW
Technical Note
●Pin configuration
1 2 3 4 5 6 7 8 9 10
A (NC) TAN TAP TBP TCN TCLKN TDN TEN (NC) (NC)
B (NC) (NC) TBN LVDSVDD TCP TCLKP TDP TEP (NC) (NC)
C (1PIN) (NC) LVDSGND LVDSGND (NC) (NC) LVDSGND (NC) PLLVDD PLLGND
D TA5 TA1 TA0 TA2 (NC) (NC) TE6 (NC) (NC) (NC)
E TB0 TA4 TA3 GND TA6 (NC) XRST TE5 GND CLK_IN
F TB2 TB1 RS TB3 (NC) TE3 VDD TE1 TE2 TE4
G TB4 (NC) GND TB5 (NC) (NC) TE0 (NC) GND TD6
H (NC) (NC) (NC) (NC) TC4 (NC) (NC) (NC) (NC) TD5
J (NC) TB6 VDD TC2 GND TC6 RF TD2 TD4 (NC)
K (NC) TC0 TC1 TC3 TC5 TD0 TD1 TD3 (NC) (NC)
Fig.3 Pin Diagram (Top View)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
4/17
2013.06 - Rev.B
4페이지 BU8254GUW
Technical Note
■DC characteristics
Table 5 : LVCMOS DC Specifications(VDD=3.0V~3.6V, Ta=-20℃~85℃)
Parameter
Symbol
Min
Rating
Typ
Max
Units
Conditions
High Level Input Voltage
Low Level Input Voltage
VIH VDD×0.8
-
VDD
V
exclude RS pin
VIL GND
- VDD×0.2 V
High Level Input Voltage
Low Level Input Voltage
Small Swing Voltage
VIHRS VDD×0.8
VILRS
VDDQ*1
GND
1.2
-
-
-
VDD
RS pin
0.2
2.8 V
Input Reference Voltage
VREF
- VDDQ/2 -
Small Swing High Level
Input Voltage
Small Swing Low Level
Input Voltage
VSH*2
VDDQ/2
+200mV
-
-
VSL*2
-
-
VDDQ/2
-200mV
Input Current
IINC -10
-
*1: VDDQ voltage defines max voltage of small swing input. It is not an actual input voltage.
*2: Small swing signal is applied to TA[6:0], TB[6:0], TC[6:0], TD[6:0] TE[6:0], CLKIN.
+10
- Small Swing(RS=VDDQ/2)
V VREF=VDDQ/2
V VREF=VDDQ/2
µA 0V≤ VIN≤ VDD
Table 6 : LVDS Transmitter DC Specifications(VDD=3.0V~3.6V, Ta=-20℃~85℃)
Parameter
Symbol
Min
Rating
Min
Min
Units
Differential Output Voltage
250 350 450 mV
VOD
100 200 300 mV
Change in VOD between
complementary output states
ΔVOD
-
- 35 mV
Common Mode Voltage
Change in VOC between
complementary output states
VOC
ΔVOC
1.125
-
1.25
-
1.375
35
V
mV
Output Short Circuit Current
IOS -
- -24 mA
Conditions
RL=100Ω
Normal swing
RS=VDD
Reduced swing
RS=GND
RL=100Ω
VOUT=0V, RL=100Ω
Output TRI-STATE Current
IOZ -10 - +10 µA XRST=0V, VOUT=0V to VDD
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
7/17
2013.06 - Rev.B
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부품번호 | 상세설명 및 기능 | 제조사 |
BU8254GUW | 35bit LVDS Transmitter | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |