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PDF ( 数据手册 , 数据表 ) CF5036

零件编号 CF5036
描述 2.5V LVPECL Output Oscillator ICs
制造商 Nippon Precision Circuits
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CF5036 数据手册, 描述, 功能
CF5036 series
2.5V LVPECL Output Oscillator ICs
OVERVIEW
The CF5036 series are 2.5V operation, differential PECL output oscillator ICs. They support 50MHz to
250MHz 3rd overtone oscillation and 50MHz to 700MHz fundamental oscillation. The devices are fabricated
www.DataSheet4U.cuosming a proprietary BiCMOS process, enabling a high-frequency oscillator circuit and differential LVPECL
output buffer to be incorporated on a single chip. The CF5036 series can be used to construct high-frequency
PECL output oscillators.
FEATURES
I 2.375 to 3.6V operating supply voltage range
I Operating frequency range (varies with version)
• 50MHz to 700MHz fundamental oscillation
• 50MHz to 250MHz 3rd overtone oscillation
I – 40 to 85°C operating temperature range
I Differential LVPECL output
I 50output load (terminated to VCC – 2V)
I Standby function
• Outputs are high impedance when OE is LOW.
(oscillator stops)
I Power-saving pull-up resistor built-in (pin OE)
I BiCMOS process
I Chip form (CF5036××)
SERIES CONFIGURATION
Version
Oscillation mode
Recommended operating
frequency range*1 [MHz]
Output frequency
CF5036G1
CF5036G2
CF5036A1
CF5036A2
CF5036B1
CF5036B2
CF5036C1
CF5036C2
CF5036D1
CF5036D2
CF5036E1
(CF5036E2)
CF5036F1
(CF5036F2)
(CF5036V1)
(CF5036V2)
(CF5036W1)
(CF5036W2)
Fundamental
or
3rd overtone
Fundamental
Oscillator constants determined
by external components
(Rf, CXIN, CXOUT)
50 to 80
80 to 120
100 to 180
150 to 250
250 to 400
400 to 600
600 to 700
80 to 400
400 to 700
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
fO
fO/2
*1. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentica-
tion. However, the oscillator frequency band is not guaranteed. Specifically, the characteristics can vary greatly due to crystal
characteristics and mounting conditions, so the oscillation characteristics of components must be carefully evaluated.
Note. These versions in parentheses ( ) are under development. Please ask our Sales & Marketing section for further detail.
ORDERING INFORMATION
Device
CF5036××–1
Package
Chip form
SEIKO NPC CORPORATION —1







CF5036 pdf, 数据表
CF5036 series
FUNCTIONAL DESCRIPTION
Standby Function
When OE goes LOW, the oscillator stops and the output pins (OUT, OUTN) become high impedance.
OE
HIGH (or open)
LOW
OUT, OUTN
Either fO or fO/2
High impedance
Oscillator
Normal operation
Stopped
Power-saving Pull-up Resistor
www.DataSheet4U.com
The OE pin pull-up resistance changes in response to the input level (HIGH or LOW). When OE is tied LOW
(standby state), the pull-up resistance becomes large, reducing the current consumed by the resistance. When
OE is open circuit, the pull-up resistance becomes small, decreasing the susceptibility to the effects of external
noise.
SEIKO NPC CORPORATION —8














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