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843003AGI-01LFT +BOM
FemtoClock® Crystal-to-3.3V LVPECL Frequency Synthesizer
24-TSSOP(0.173",4.40mmWidth)-
Produttore:
Renesas Electronics Corporation
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ProduttorePart #:
843003AGI-01LFT
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Scheda dati:
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Series:
FemtoClock®
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Programmabe:
Not Verified
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Type:
Frequency Synthesizer
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PLL:
Yes with Bypass
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EDA/CAD Modelli:
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Disponibilità: 7539 PZ
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843003AGI-01LFT Descrizione generale
The 843003I-01 is a 3 differential output LVPECL Synthesizer designed to generate Ethernet reference clock frequencies and is a member of the family of high performance clock solutions from IDT. Using a 19.53125MHz or 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the settings of 4 frequency select pins (DIV_SEL[A1:A0], DIV_SEL[B1:B0]): 625MHz, 312.5MHz, 156.25MHz, and 125MHz. The 843003I-01 has 2 output banks, Bank A with 1 differential LVPECL output pair and Bank B with 2 differential LVPECL output pairs. The two banks have their own dedicated frequency select pins and can be independently set for the frequencies mentioned above. The 843003I-01 uses IDT's 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements. The 843003I-01 is packaged in a small 24-pin TSSOP package.
Caratteristiche principali
- Three 3.3V LVPECL outputs on two banks, A Bank with one LVPECL pair and B Bank with two LVPECL output pairs
- Using a 19.53125MHz or 25MHz crystal, the two output banks can be independently set for 625MHz, 312.5MHz, 156.25MHz or 125MHz
- Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input
- VCO range: 490MHz to 680MHz
- RMS phase jitter @ 156.25MHz (1.875MHz - 20MHz): 0.53ps (typical)
- 3.3V output supply mode
- -40°C to 85°C ambient operating temperature
- Available in lead-free RoHS compliant package
Specifiche
Series | FemtoClock® | Programmabe | Not Verified |
Type | Frequency Synthesizer | PLL | Yes with Bypass |
Input | LVCMOS, LVTTL, Crystal | Output | LVPECL |
Number of Circuits | 1 | Ratio - Input:Output | 2:3 |
Differential - Input:Output | No/Yes | Frequency - Max | 680MHz |
Divider/Multiplier | Yes/No | Voltage - Supply | 3.135V ~ 3.465V |
Operating Temperature | -40°C ~ 85°C | Mounting Type | Surface Mount |
Base Product Number | 843003A |
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