STHDLS101T datasheet(1/26 Pages) STMICROELECTRONICS

部件名	STHDLS101T

功能描述	AC coupled HDMI level shifter with configurable HPD output

PDF	26 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 26 page

December 2008

Rev 3

1/26

26

STHDLS101T

AC coupled HDMI level shifter

with configurable HPD output

Features

■ Converts low-swing alternating current (AC)

coupled differential input to high-definition

multimedia interface (HDMI) rev 1.3 compliant

■ HDMI level shifting operation up to 2.7 Gbps

per lane

■ Integrated 50-

Ω termination resistors for AC-

coupled differential inputs

■ Input/output transition minimized differential

signaling (TMDS) enable/disable

■ Output slew rate control on TMDS outputs to

minimize electromagnetic interference (EMI)

■ Fail safe outputs for backdrive protection

■ No re-timing or configuration required

■ Inter-pair output skew < 250 ps

■ Intra-pair output skew < 10 ps

■ Single power supply of 3.3 V

■ ESD protection: ±6 KV HBM on all I/O pins

■ Integrated display data channel (DDC) level

shifters. Pass-gate voltage limiters allow 3.3 V

termination on graphics and memory controller

hub (GMCH) pins and 5 V DDC termination on

HDMI connector pins

■ Level shifter and configurable output for HPD

signal from HDMI/DVI connector

■ Integrated pull-down resistor on HPD_SINK

and OE_N inputs

Applications

■ Notebooks

■ PC motherboards and graphic cards

■ Dongles/cable adapters

Description

The STHDLS101T is a high-speed high-definition

multimedia interface (HDMI) level shifter that

converts low-swing AC coupled differential input

to HDMI 1.3 compliant open-drain current

steering RX-terminated differential output.

Through the existing PCI-E pins in the graphics

and memory controller hub (GMCH) of PCs or

notebook motherboards, the pixel clock provides

the required bandwidth (1.65 Gbps, 2.25 Gbps)

for the video supporting 720p, 1080i, 1080p with a

total of 36-bit resolution. The HDMI is multiplexed

onto the PCIe pins in the motherboard where the

AC coupled HDMI at 1.2 V is output by GMCH.

The AC coupled HDMI is then level shifter by this

device to 3.3 V DC coupled HDMI output.

The STHDLS101T supports up to 2.7 Gbps,

which is enough for 12-bits of color depth per

channel, as indicated in HDMI rev 1.3. The device

operates from a single 3.3 V supply and is

available in a 48-pin QFN package.

QFN-48

(7 x 7 mm)

Table 1.

Device summary

Order code

Package

Packaging

STHDLS101TQTR

QFN-48

Tape and reel

www.st.com

Obsolete

Product(s)

- Obsolete

Product(s)

类似零件编号 - STHDLS101T

制造商	部件名	数据表	功能描述
STMicroelectronics	STHDLS101	491Kb / 25P	AC coupled HDMI level shifter 01-Dec-2008
	STHDLS101A	365Kb / 24P	Enhanced AC coupled HDMI level shifter with configurable HPD output 22-Jun-2009
	STHDLS101QTR	491Kb / 25P	AC coupled HDMI level shifter 01-Dec-2008

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类似说明 - STHDLS101T

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