Skip to main content
Infineon Technologies CY23S08SI-4 — Clock & Timing ICs
Infineon Technologies

CY23S08SI-4 Clock Buffer, Zero Delay Buffer, 140 MHz, 1:8

MPNCY23S08SI-4
End of Life

Cypress CY23S08SI-4, PLL-based clock buffer / zero delay buffer, 140 MHz max, 1:8 fanout, LVCMOS/LVTTL input, LVCMOS output, 3V–3.6V supply, -40°C to 85°C, 16-SOIC.

$3.21Ref. price · indicative, final on quote
CY23S08SI-4 datasheet
Packaging16-SOIC (0.154", 3.90mm Width)
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

CY23S08SI-4 Technical Specifications
ParameterValue
TypeClock Buffer, Zero Delay Buffer
Mounting typeSurface Mount
Voltage3V ~ 3.6V
Frequency140MHz
Operating temperature-40°C ~ 85°C (TA)
PLLYes with Bypass
InputLVCMOS, LVTTL
OutputLVCMOS
PackageBulk
Case16-SOIC (0.154\", 3.90mm Width)
Divider (Multiplier)Yes/No
Number of circuits1
Ratio - Input:Output1:8
Differential - Input:OutputNo/No

Product details

Supply, temperature, and package — where it fits

Runs on a 3V to 3.6V supply, which matches 3.3V logic families directly — no level translator needed for most FPGA banks, CPLDs, or clock synthesizers. The -40°C to 85°C industrial temperature range means it can sit on a factory-floor PLC backplane, an outdoor telecom line card, or an automotive cabin ECU without derating. Housed in a 16-pin SOIC (3.90 mm width), it's a standard footprint that routes easily on two-layer boards and fits pick-and-place without special handling.

RoHS status — plan for it

This part is RoHS non-compliant. For standard EU RoHS builds, use the RoHS-compliant variant.

Sourcing and availability

The CY23S08SI-4 is sourced through independent distribution and quoted to order against an RFQ. Submit an RFQ for a firm delivery commitment.

Frequently asked questions

Is CY23S08SI-4 RoHS compliant?

No, the CY23S08SI-4 is RoHS non-compliant. It contains lead. For RoHS-compliant builds, use the CY23S08SXI-4 variant.

What is the difference between CY23S08SI-4 and CY23S08SXI-4?

The difference is RoHS compliance. The CY23S08SI-4 is RoHS non-compliant (contains lead), while the CY23S08SXI-4 is the RoHS-compliant version. All other specifications — 140 MHz max frequency, 1:8 fanout, 3V–3.6V supply, -40°C to 85°C temperature range, SOIC-16 package — are identical.

What is CY23S08SI-4's listed PLL feature?

The CY23S08SI-4 includes a PLL with bypass capability. The PLL cleans incoming jitter and aligns output edges to the input. Bypass mode feeds the input clock directly to the outputs without phase adjustment, useful for test or low-jitter paths.

What is CY23S08SI-4's listed type?

The CY23S08SI-4 is listed as a Clock Buffer and Zero Delay Buffer. It distributes one clock input to eight outputs with minimal skew and phase alignment.