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SY89540U Datasheet(PDF) 6 Page - Micrel Semiconductor

Part # SY89540U
Description  Precision Low Jitter 4x4 LVDS Crosspoint
Download  14 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

SY89540U Datasheet(HTML) 6 Page - Micrel Semiconductor

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Micrel, Inc.
SY89540U
December 2007
M9999-120607-C
hbwhelp@micrel.com or (408) 955-1690
6
Absolute Maximum Ratings
(1)
Supply Voltage (VCC) ..........................–0.5V to +4.0V
Input Voltage (VIN) ..................................–0.5V to VCC
CML Output Voltage (VOUT) .... VCC–1.0V to VCC+5.0V
Termination Current
(3)
Source or sink current on VT .................. ±100mA
Input Current
Source or sink current on IN, /IN.............. ±50mA
VREF-AC Current
Source or sink current on VREF-AC............... ±2mA
Lead Temperature (soldering, 20sec.) .............260°C
Storage Temperature (Ts)............... –65°C to +150°C
Operating Ratings
(2)
Supply Voltage (VCC).................. +2.375V to +2.625V
Ambient Temperature (TA) ................ –40°C to +85°C
Package Thermal Resistance
(4)
QFN (
θJA)
Still-air ............................................................23°C/W
QFN (
ψJB)
Junction-to-board ...........................................12°C/W
DC Electrical Characteristics
(5)
TA = –40°C to +85°C, unless otherwise noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
VCC
Power Supply
VCC = 2.5V
2.375
2.5
2.625
V
ICC
Power Supply Current
No load, max. VCC.
200
280
mA
RDIFF_IN
Differential Input Resistance
(IN-to-/IN)
80
100
120
RIN
Input Resistance
(IN-to-VT, /IN-to-VT)
40
50
60
VIH
Input HIGH Voltage
(IN, /IN)
1.2
VCC
V
VIL
Input LOW Voltage
(IN, /IN)
0
VIH–0.1
V
VIN
Input Voltage Swing
(IN, /IN)
See Figure 1a.
0.1
1.7
V
VDIFF_IN
Differential Input Voltage
|IN, /IN|
See Figure 1b.
0.2
V
IN-to-VT
Maximum Input Voltage
|IN-to-VT|
1.28
V
VREF-AC
Reference Voltage
VCC–1.3
VCC–1.2
VCC–1.1
V
Notes:
1.
Permanent device damage may occur if ratings in the “Absolute Maximum Ratings” section are exceeded. This is a
stress rating only and functional operation is not implied for conditions other than those detailed in the operational
sections of this data sheet. Exposure to absolute maximum ratings conditions for extended periods may affect device
reliability.
2.
The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
3.
Due to limited drive capability use for input of the same package only.
4.
Assumes exposed pad is soldered (or equivalent) to the device’s most negative potential on the PCB.
Ψ JB uses a 4-layer
θJA in still-air unless otherwise stated.
5.
The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been
established.


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