DS90C185 FPD-Link Serializer Datasheet

DS90C185 Datasheet, PDF, Equivalent


Part Number

DS90C185

Description

Low Power 1.8V FPD-Link Serializer

Manufacture

etcTI

Total Page 23 Pages
Datasheet
Download DS90C185 Datasheet


DS90C185
DS90C185
www.ti.com
SNLS402D – FEBRUARY 2012 – REVISED FEBRUARY 2013
DS90C185 Low Power 1.8V FPD-Link (LVDS) Serializer
Check for Samples: DS90C185
FEATURES
1
2 Typical power 50 mW at 75-MHz pclk
• Drives up to 1400x1050 at 60-Hz (SXGA+)
Displays
• 2.94 Gbps of throughput
• Two operating modes: 24-bit and 18-bit RGB
• 25- to 105-MHz Pixel Clock support
• Single 1.8-V Supply
• Sleep Mode
• Spread Spectrum Clock compatibility
• Small 6mm x 6mm x 0.8mm WQFN package
APPLICATIONS
• eBooks
• Media Tablet Devices
• Netbooks
• Portable Display Monitors
DESCRIPTION
The DS90C185 is a low-power serializer for portable
battery-powered applications that reduces the size of
the RGB interface between the host GPU and the
display.
24-bit RGB plus three video control signals are
serialized and translated to LVDS-compatible levels
and sent as a 4 data + clock (4D+C) reduced-width
LVDS compatible interface. The LVDS Interface is
compatible with FPD-Link (1) deserializers and many
LVDS based displays. These interfaces are
commonly supported in LCD modules with “LVDS” or
FPD-Link / FlatLink single-pixel input interfaces.
Displays up to 1400x1050 at 60 fps are supported
with 24-bpp color depth. 18 bpp may also be
supported by a dedicated mode with a 3D+C output.
Power dissipation is minimized by the full LVCMOS
design and 1.8-V powered core and VDDIO rails.
The DS90C185 is offered in the small 48-pin WQFN
package and features single 1.8-V supply operation
for minimum power dissipation (50 mW typ).
System Diagram
GPU
24-bit RGB
4 Control
Clock
1.8V
LVCMOS
R7-R0
G7-G0
B7-B0
HSync
VSync
DE
GPO/CNTL(L/R)
CLK
PDB
1.8V
DS90C185
FPD-Link
SERIALIZER
LVDS0+/-
LVDS1+/-
LVDS2+/-
LVDSC+/-
LVDS3+/-
FPD-Link
4D+C
LVDS
DISPLAY MODULE
SXGA+ Resolution
TCON
w/ LVDS Interface
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012–2013, Texas Instruments Incorporated

DS90C185
DS90C185
SNLS402D – FEBRUARY 2012 – REVISED FEBRUARY 2013
Functional Block Diagram
LVCMOS INPUTS
RED
GREEN
D0 ± D27
BLUE
HS
VS
DE
CNTRL (L/R)
DATA (LVDS)
CLK PLL
CLOCK (LVDS)
PDB
18B_Mode
VOD_SEL
RFB
DS90C185 - SERIALIZER
Connection Diagram
www.ti.com
D9 1
D10 2
D11 3
D12 4
D13 5
CLK 6
D14 7
D15 8
D16 9
D17 10
D18 11
D19 12
DS90C185SQ
TOP VIEW
DAP = GND
(Not to scale)
36 TxOUT0-
35 TxOUT0+
34 TxOUT1-
33 TxOUT1+
32 TxOUT2-
31 TxOUT2+
30 TxCLKOUT-
29 TxCLKOUT+
28 TxOUT3-
27 TxOUT3+
26 18B_MODE
25 VDDTX
2 Submit Documentation Feedback
Product Folder Links: DS90C185
Copyright © 2012–2013, Texas Instruments Incorporated


Features DS90C185 www.ti.com SNLS402D – FEBRU ARY 2012 – REVISED FEBRUARY 2013 DS9 0C185 Low Power 1.8V FPD-Link (LVDS) Se rializer Check for Samples: DS90C185 F EATURES 1 •2 Typical power 50 mW at 7 5-MHz pclk • Drives up to 1400x1050 a t 60-Hz (SXGA+) Displays • 2.94 Gbps of throughput • Two operating modes: 24-bit and 18-bit RGB • 25- to 105-MH z Pixel Clock support • Single 1.8-V Supply • Sleep Mode • Spread Spectr um Clock compatibility • Small 6mm x 6mm x 0.8mm WQFN package APPLICATIONS eBooks • Media Tablet Devices • Netbooks • Portable Display Monitors DESCRIPTION The DS90C185 is a low-powe r serializer for portable battery-power ed applications that reduces the size o f the RGB interface between the host GP U and the display. 24-bit RGB plus thre e video control signals are serialized and translated to LVDS-compatible level s and sent as a 4 data + clock (4D+C) r educed-width LVDS compatible interface. The LVDS Interface is compatible with FPD-Link (1) deserializers and many LVDS based display.
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