CY2308SXI-1HT

@@ -0,0 +1,60 @@+# CY2308SXI-1HT++**Infineon Cypress Semicon** · Clock Buffers, Drivers, Distributors · SOIC-16++CY2308SXI-1HT from Infineon Cypress Semicon, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | REF | input | Input reference frequency. PLL reference clock input, 10 MHz to 133 MHz. Has a weak pull-down. DC input voltage rating -0.5 V to 7 V (tolerant beyond VDD unlike other inputs). |+| 2 | CLKA1 | output | Clock output, Bank A. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 3 | CLKA2 | output | Clock output, Bank A. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 4 | VDD | power_in | Power supply voltage. 3.0 V to 3.6 V nominal (3.3 V typ). Both VDD pins (4 and 13) must be tied to the same rail and adequately decoupled. |+| 5 | GND | power_in | Power supply ground. Tie to system ground; both GND pins (5 and 12) should be connected. |+| 6 | CLKB1 | output | Clock output, Bank B. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. Bank B is three-stated when Bank A is driven and no B output is required. |+| 7 | CLKB2 | output | Clock output, Bank B. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 8 | S2 | input | Select input, bit 2. Together with S1 selects PLL vs reference output source, output-bank tri-state, and PLL shutdown per the Select Input Decoding table. Has a weak pull-up. |+| 9 | S1 | input | Select input, bit 1. Together with S2 selects PLL vs reference output source, output-bank tri-state, and PLL shutdown per the Select Input Decoding table. Has a weak pull-up. |+| 10 | CLKB3 | output | Clock output, Bank B. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 11 | CLKB4 | output | Clock output, Bank B. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 12 | GND | power_in | Power supply ground. Tie to system ground; both GND pins (5 and 12) should be connected. |+| 13 | VDD | power_in | Power supply voltage. 3.0 V to 3.6 V nominal (3.3 V typ). Both VDD pins (4 and 13) must be tied to the same rail and adequately decoupled. |+| 14 | CLKA3 | output | Clock output, Bank A. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 15 | CLKA4 | output | Clock output, Bank A. High-drive push-pull CMOS output (IOH/IOL = 12 mA on -1H). Weak pull-down when tri-stated per select-input decoding. |+| 16 | FBK | input | PLL feedback input. Connect one of the eight CLKA/CLKB outputs externally to this pin to close the PLL loop. The relative loading of the FBK-driving output vs the remaining outputs adjusts input-to-output delay (see Zero Delay and Skew Control). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Infineon Cypress Semicon |+| Package | SOIC-16 |+| Category | Clock/Timing |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `CY2308SXI-1HT`+- `CY2308SXI-1HTSXC-1H`+- `CY2308SXI-1HTZXI-1H`+- `CY2308SXI-1HTZXC-1H`++## CAD (KiCad official)++- Symbol: `CY2308SXI-1HT`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Infineon Cypress Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590221104116625408) (21 pp, sha256 `4dfef64c4212e853`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/cy2308sxi-1ht-datasheet.pdf)

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