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The ICS840022I-02 is a Gigabit Ethernet Clock Generator. The ICS840022I-02 uses a 25MHz crystal to synthesize 125MHz or 62.5MHz. The ICS840022I-02 has excellent phase jitter performance, over the 12kHz – 20MHz integration range. The ICS840022I-02 is packaged in a small 16-pin VFQFN, making it ideal for use in systems with limited board space. Features • One.
• One LVCMOS/LVTTL outputs, 20 output impedance
• Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
• Output frequencies: 125MHz or 62.5MHz
• RMS phase jitter at 125MHz using a 25MHz crystal
(12kHz - 20MHz): 0.57ps (typical)
• Supply modes:
Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V
• -40°C to 85°C ambient operating temperature
• Available in lead-free (RoHS 6) package
Function Table Inputs
FREQ_SEL 0 1
Output Frequency Range (with a 25MHz crystal) 125MHz 62.5MHz
Block Diagram
FREQ_SEL Pulldown
XTAL_IN 25MHz XTAL_OUT
OSC
Phase Detector
VCO
PWR_DN Pullup
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| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | 840001I-25 |
Renesas |
LVCMOS/LVTTL Clock Generator |
|
| 2 | 840002I |
IDT |
Crystal-to-LVCMOS/LVTTL Frequency Synthesizer |
|
| 3 | 840002I |
Renesas |
Crystal-to-LVCMOS/LVTTL Frequency Synthesizer |
|
| 4 | 840004I-01 |
Renesas |
Crystal-to-LVCMOS/LVTTL Frequency Synthesizer |
|
| 5 | 8405 |
Allegro MicroSystems |
LOW-DROPOUT REGULATORS |
|
| 6 | 8405202QA |
Renesas |
CMOS 16-Bit Microprocessor |
|
| 7 | 84-1LMISR4 |
ETC |
ELECTRICALLY CONDUCTIVE DIE ATTACH ADHESIVE |
|
| 8 | 8413S09 |
Renesas |
Clock Generator |
|
| 9 | 8413S12 |
IDT |
HCSL/ LVCMOS Clock Generator |
|
| 10 | 8413S12B |
IDT |
HCSL/ LVCMOS Clock Generator |
|
| 11 | 8413S12B |
Renesas |
HCSL/ LVCMOS Clock Generator |
|
| 12 | 8413S12I-100 |
IDT |
Clock Generator |
|