SY89465UMG TR Micrel Inc, SY89465UMG TR Datasheet - Page 13

• Manufacturer Part Number: SY89465UMG TR
• Description: IC BUFFER 1:10 LVDS FANOUT 44MLF
• Manufacturer: Micrel Inc
• Series: Precision Edge®r
• Type: Multiplexerr

Specifications of SY89465UMG TR

• Number Of Circuits: 1
• Ratio - Input:output: 2:10
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, PECL
• Output: LVDS
• Frequency - Max: 2GHz
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-MLF®, QFN
• Frequency-max: 2GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1476-2; 576-1476-5; 576-1476-5; SY89465UMG

Power-On Reset (POR) Description
The SY89465U includes an internal power-on reset
(POR) function to ensure that the RPE logic starts-
up in a known logic state once the power-supply
voltage is stable. An external capacitor connected
between V
delay for the power-on reset function.
The required capacitor value calculation is based
upon the time the system power supply needs to
power up to a minimum of 2.3V. The time constant
for the internal power-on-reset must be greater than
the time required for the power supply to ramp up to
a minimum of 2.3V.
December 2005
CC
and the CAP pin (pin 12) controls the
13
The following formula describes this relationship:
As an example, if the time required for the system
power supply to power up past 2.3V is 12ms, then
the required capacitor value on pin 12 would be:
C(µF) ≥ 1µF
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