Infineon Technologies CY28405OC-2T — Analog & Data Acquisition
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RoHS Compliant · Lead-Free EIA-481 Standard
Infineon Technologies / Analog & Data Acquisition

Cypress CY28405OC-2T Clock Synthesizer, PLL, 266 MHz

MPN CY28405OC-2T
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Cypress CY28405OC-2T, Clock Synthesizer, PLL Yes, Input LVTTL/Crystal, Output Clock, 266 MHz max, 3.135V–3.465V supply, 1:6 input:output ratio, 2 circuits, 0°C–70°C, 48-BSSOP (0.295", 7.50mm Width), Surface Mount.

In Stock: 5,000 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$5.08 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$5.08
10+ pcs
$4.57
30+ pcs
$4.17
100+ pcs
$3.76
500+ pcs
$3.51
1,000+ pcs
$3.30
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$5.08 / ea

5,000 in stock — maximum per order · 3–4 days lead time

$4.57 / ea from 10 pcs

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[SPEC] Essential Parameters Snapshot Full Specifications (14)
Package / Case 48-BSSOP (0.295", 7.50mm Width)
Supply Voltage 3.135V ~ 3.465V

Full Technical Specifications

14 Parameters
CY28405OC-2T specifications
Parameter / AttributeSpecification / Value
TypeClock Synthesizer
MountingSurface Mount
Supply voltage3.135V ~ 3.465V
Frequency - max266MHz
Operating temperature0°C ~ 70°C (TA)
PLLYes
InputLVTTL, Crystal
OutputClock
PackageBulk
Case48-BSSOP (0.295\", 7.50mm Width)
Divider (Multiplier)Yes/No
Number of circuits2
Ratio - Input:Output1:6
Differential - Input:OutputNo/Yes
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Technical Details & Description

The maximum output frequency is 266 MHz. The differential outputs on the output side allow high-speed clock routing with reduced noise coupling.

Housed in a 48-lead BSSOP (0.295-inch body width, 7.50 mm), the CY28405OC-2T is a surface-mount part that sits on a standard SSOP-48 footprint. No special thermal pad or heatsink is required at this power level.

One important catch: it is RoHS non-compliant. For BOMs that must meet EU RoHS or similar green directives, this part will not pass without an exemption. For non-RoHS designs — legacy telecom, military, or exempt industrial equipment — it is a straightforward drop-in.

Because the lifecycle is Active, there is no urgency from an end-of-life standpoint, but the RoHS restriction may limit the number of stocking distributors who carry it — so lead time can vary. Submit an RFQ for a firm delivery window.

Frequently asked questions

Is CY28405OC-2T RoHS compliant?

No, it is RoHS non-compliant. The part contains lead and is not suitable for EU RoHS or similar green-procurement BOMs without an exemption.

Can CY28405OC-2T be used with a 3.3V supply?

Yes, the supply voltage range is 3.135V to 3.465V, which covers a standard 3.3V ±5% rail.

When sourcing CY28405OC-2T, what is the closest functional alternative?

The CY2305SXI-1HT is a PLL-based fanout buffer and zero-delay buffer from the same Cypress family, but it is a different part: it has a single circuit, 1:5 fanout, 133.33 MHz max frequency, and operates over -40°C to 85°C. It is not a pin-compatible drop-in for the CY28405OC-2T and should be evaluated separately for your clock-tree requirements.

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