SY89859UMG Micrel Inc, SY89859UMG Datasheet - Page 11

• Manufacturer Part Number: SY89859UMG
• Description: IC MUX 8:1 LP 1:2 LVPECL 44MLF
• Manufacturer: Micrel Inc
• Series: SY89r
• Type: Multiplexerr

Specifications of SY89859UMG

• Circuit: 1 x 8:1
• Independent Circuits: 1
• Voltage Supply Source: Single Supply
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MLF®, QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output High, Low: -
• Other names: 576-1456

LVPECL has high input impedance, very low output
(open emitter) impedance, and small signal swing
which result in low EMI. LVPECL is ideal for driving
50Ω- and 100Ω-controlled impedance transmission
lines. There are several techniques for terminating
Related Product and Support Documentation
Micrel, Inc.
LVPECL Output Interface Applications
Part Number
SY58037U
SY58038U
SY58039U
HBW Solutions
December 2007
Note:
For 2.5V system, R1 = 250Ω, R2 = 62.5Ω.
Figure 4a. Parallel Thevenin-Equivalent
Function
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 CML Fanout Buffer
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 LVPECL Fanout Buffer
Ultra Precision 8:1 MUX with Internal
Termination and 1:2 400mV LVPECL Fanout
Buffer
New Products and Applications
Termination
11
Note:
For 2.5V system, Rb = 19Ω.
the LVPECL output including: Parallel Termination-
Thevenin
Resistor), and AC-Coupled Termination. Unused
output pairs may be left floating. However, single-
ended outputs must be terminated, or balanced.
Data Sheet Link
http://www.micrel.com/product-info/products/sy58037u.shtml
http://www.micrel.com/product-info/products/sy58038u.shtml
http://www.micrel.com/product-info/products/sy58039u.shtml
www.micrel.com/product-info/products/solutions.shtml
Figure 4b. Parallel Termination
Equivalent,
(3-Resistor)
[e-mail]
Parallel
Termination
M9999-120607-D
or [phone]
SY89859U
(3-