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PDF STHDM1001A Data sheet ( Hoja de datos )
| Número de pieza | STHDM1001A | |
| Descripción | 2-to-1 High Definition Multimedia Interface (HDMI) Switch | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STHDMI001A
3.3V, High Bandwith, 2-to-1 High Definition Multimedia Interface
(HDMI) Switch with Single Enable
Features
■ Compatible with HDMI v1.1 and DVI v1.0
digital interfaces
■ Data rate per channel for UXGA: 1.65Gbps
■ 165MHz speed operation supports all video
formats up to 1080p and SXGA (1280x1024 at
75 Hz)
■ Low RON: 5.5 Ω(typ)
■ VCC operating range: 3.0V to 3.6V
■ Low current consumption: 20µA
■ ESD Human Body Model HMB Voltage:
– 4KV for HDMI connector inputs
– 2KV for all other I/Os
■ Channel ON Capacitance: 6pF (typ)
■ Switching speed: 9ns
■ Near-Zero Propagation Delay: 250ps
■ Low crosstalk: -32dB at 825MHz
■ Bit-to-Bit Skew: 200ps
■ Very Low Ground Bounce in Flow Through
Mode
■ Data and control inputs provide an undershoot
clamp diode
■ Wide bandwidth minimizes skew and jitter
■ Hot insertion capable
■ Supports bi-directional operation
■ Available in the TSSOP48 package
■ –40°C to 85°C operating temperature range
Order Codes
Part Number
STHDMI001A
January 2006
Temperature Range
–65°C to +150°C
TSSOP48
Description
The STHDMI001A is a differential Single Pole
Double Throw (SPDT) 2-to-1, low RON,
bidirectional HDMI switch. It is designed to
support HDMI/DVI television systems that
produce superior high-definition image quality.
The differential signal from the 2 HDMI ports is
multiplexed through the switch to form a single
output HDMI channel going to the HDMI receiver,
while the deselected output goes to the high-Z
(high impedance) state. It is designed for very low
cross-talk, low bit-to-bit skew, high channel-to-
channel noise isolation, and low I/O capacitance.
This switch offers very little high-speed signal
attenuation at the outputs, thus preserving the
signal integrity necessary to pass stringent
interference requirements. STHDMI001A
provides the ability to switch a single source
output to various display devices or switch video
display devices between multiple sources. It
reduces the overall BOM costs by eliminating the
need for more costly multi input output controllers
Applications
■ DVD Players
■ Front projectors
■ LCD TVs and Monitors
■ Notebook PCs
■ PDPs
Package
TSSOP48
Comments
STHDMI001ATTR
Rev.2
1/17
www.st.com
17
1 page  
STHDMI001A
Figure 2. 2-to-1 HDMI Switch Functional Diagram
A0+
A0-
B0+
B0-
A1+
A1-
B1+
B1-
A2+
A2-
B2+
B2-
AClock+
AClock-
BClock+
BClock-
SEL
1 Summary Description
Data0+
Data0-
Data1+
Data1-
Data2+
Data2-
Clock+
Clock-
1.2 Function Table STHDMI001A
Table 2.
STHDMI001A Functions
Selection
L
H
Function
TMDS Data and Clock for Port A
TMDS Data and Clock for Port B
5/17
5 Page 
STHDMI001A
4 Dynamic Characteristics
Figure 5. Output Skew
3.5V
2.5V
Data In
tPLHX
Data Out at Port A
2.5V
tPHLX
tSK (o)
Data Out at Port B
tPLHY
tPHLY
tSK (o) = | tPLHy – tPLHx | or | tPHLy – tPHLx |
1.5V
VOH
2.5V
VOL
VOH
2.5V
VOL
Figure 6. Propagation Delay Timings
Input
Output
2.5V
2.5V
tPLH
2.5V
tPHL
2.5V
3.5V
1.5V
VOH
VOL
11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet STHDM1001A.PDF ] | |
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