sy100ep11uzitr Micrel Semiconductor, sy100ep11uzitr Datasheet - Page 8

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sy100ep11uzitr

Manufacturer Part Number
sy100ep11uzitr
Description
Sy10ep11u Sy100ep11u 2.5v/3.3v/5v 1 2 Differential Pecl/lvpecl/ecl Fanout Buffer
Manufacturer
Micrel Semiconductor
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SY100EP11UZITR
Manufacturer:
MICREL
Quantity:
796
Micrel, Inc.
Notes:
1. For +2.5V systems: R1 = 250Ω, R2 = 62.5Ω.
2. For +5.0V systems: R1 = 82Ω.
Notes:
1. Power-saving alternative to Thevenin termination.
2. Place termination resistors as close to destination inputs as possible.
3. R
M9999-111605
hbwhelp@micrel.com or (408) 955-1690
TERMINATION RECOMMENDATIONS
b
resistor sets the DC bias voltage equal to V
Figure 1. Parallel Termination–Thevenin Equivalent
+3.3V
R2 = 130Ω
Figure 2. Three-Resistor “Y–Termination”
t
. For +3.3V systems R
Z
Z
“source”
O
O
+5.0V or
= 50Ω
= 50Ω
+3.3V
R1
130Ω
R2
82Ω
b
= 46Ω to 50Ω. For +5V systems, R
Z = 50Ω
8
Z = 50Ω
+3.3V
50Ω
R1
130Ω
R2
82Ω
50Ω
R
V
+3.3V
50Ω
b
t
= V
“destination”
CC
+5.0V or
–2V
+3.3V
b
= 110Ω.
SY100EP11U
SY10EP11U
ECL Pro™

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