component
CY8C4246PVI-DS402
Public Made by Adomby adom
Cypress Semicon Pre-ordered Products, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "cy8c4246pvi-ds402",
"title": "CY8C4246PVI-DS402",
"brief": "Cypress Semicon Pre-ordered Products, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"solders - accessories - batteries",
"cy8c4246pvi-ds402",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CY8C4246PVI-DS402",
"manufacturer": "Cypress Semicon",
"package": "SSOP-28",
"pin_count": 28,
"category": "Solders / Accessories / Batteries",
"subcategory": "Pre-ordered Products",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e9961a6ba5d5fbf2ed7d117245b5a13e.pdf",
"parts": {
"symbol": "cy8c4246pvi-ds402.kicad_sym",
"footprint": "cy8c4246pvi-ds402.kicad_mod",
"model_3d": "cy8c4246pvi-ds402-hero.glb",
"model_3d_plain": "cy8c4246pvi-ds402-etched.glb",
"model_3d_step": "cy8c4246pvi-ds402-etched.step",
"model_3d_step_plain": "cy8c4246pvi-ds402.step",
"lbr": "cy8c4246pvi-ds402.lbr"
},
"distributor_links": {
"lcsc": "C2956623",
"digikey": "448-CY8C4246PVI-DS402-ND",
"mouser": "727-CY8C4246PVIDS402"
},
"distributor_check": {
"checked_at": "2026-10-31T12:23:19Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C4246PVI-DS402-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "727-CY8C4246PVIDS402",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "P1.0",
"type": "bidirectional",
"description": "GPIO port 1 bit 0 with alternate functions TCPWM2 line, SCB0 UART RX, I2C SCL or SPI MOSI."
},
{
"number": "2",
"name": "P1.1",
"type": "bidirectional",
"description": "GPIO port 1 bit 1 with alternate functions TCPWM2 complementary line, SCB0 UART TX, I2C SDA or SPI MISO."
},
{
"number": "3",
"name": "P1.2",
"type": "bidirectional",
"description": "GPIO port 1 bit 2 with alternate functions TCPWM3 line, SCB0 UART CTS or SPI clock."
},
{
"number": "4",
"name": "P1.3",
"type": "bidirectional",
"description": "GPIO port 1 bit 3 with alternate functions TCPWM3 complementary line, SCB0 UART RTS or SPI select0."
},
{
"number": "5",
"name": "P2.2",
"type": "bidirectional",
"description": "GPIO port 2 bit 2 with PRGIO io[2] and SCB2 UART RX, I2C SCL or SPI MOSI."
},
{
"number": "6",
"name": "P2.3",
"type": "bidirectional",
"description": "GPIO port 2 bit 3 with PRGIO io[3] and SCB2 UART TX, I2C SDA or SPI MISO."
},
{
"number": "7",
"name": "P2.4",
"type": "bidirectional",
"description": "GPIO port 2 bit 4 with PRGIO io[4], TCPWM0 line, SCB2 UART CTS or SPI clock, and lpcomp comp[0] output."
},
{
"number": "8",
"name": "P2.5",
"type": "bidirectional",
"description": "GPIO port 2 bit 5 with PRGIO io[5], TCPWM0 complementary line, SCB2 UART RTS or SPI select0."
},
{
"number": "9",
"name": "P2.6",
"type": "bidirectional",
"description": "GPIO port 2 bit 6 with PRGIO io[6], TCPWM1 line or SCB2 SPI select1."
},
{
"number": "10",
"name": "P2.7",
"type": "bidirectional",
"description": "GPIO port 2 bit 7 with PRGIO io[7], TCPWM1 complementary line or SCB2 SPI select2."
},
{
"number": "11",
"name": "P3.0",
"type": "bidirectional",
"description": "GPIO port 3 bit 0 with TCPWM0 line and SCB1 UART RX, I2C SCL or SPI MOSI."
},
{
"number": "12",
"name": "P3.1",
"type": "bidirectional",
"description": "GPIO port 3 bit 1 with TCPWM0 complementary line and SCB1 UART TX, I2C SDA or SPI MISO."
},
{
"number": "13",
"name": "P3.2",
"type": "bidirectional",
"description": "GPIO port 3 bit 2 with TCPWM1 line, SCB1 UART CTS or SPI clock, and SWD_IO (swd_data)."
},
{
"number": "14",
"name": "P3.3",
"type": "bidirectional",
"description": "GPIO port 3 bit 3 with TCPWM1 complementary line, SCB1 UART RTS or SPI select0, and SWD_CLK (swd_clk)."
},
{
"number": "15",
"name": "P3.4",
"type": "bidirectional",
"description": "GPIO port 3 bit 4 with SCB1 SPI select1 alternate function."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No-connect in the 28-pin SSOP package."
},
{
"number": "17",
"name": "NC",
"type": "unconnected",
"description": "No-connect in the 28-pin SSOP package."
},
{
"number": "18",
"name": "NC",
"type": "unconnected",
"description": "No-connect in the 28-pin SSOP package."
},
{
"number": "19",
"name": "P0.0",
"type": "bidirectional",
"description": "GPIO port 0 bit 0 with lpcomp in_p[0] analog input, TCPWM2 line or SCB0 SPI select1."
},
{
"number": "20",
"name": "P0.1",
"type": "bidirectional",
"description": "GPIO port 0 bit 1 with lpcomp in_n[0] analog input, TCPWM2 complementary line or SCB0 SPI select2."
},
{
"number": "21",
"name": "P0.2",
"type": "bidirectional",
"description": "GPIO port 0 bit 2 with TCPWM3 line or SCB0 SPI select3."
},
{
"number": "22",
"name": "P0.4",
"type": "bidirectional",
"description": "GPIO port 0 bit 4 with SCB1 UART RX, I2C SCL or SPI MOSI."
},
{
"number": "23",
"name": "P0.5",
"type": "bidirectional",
"description": "GPIO port 0 bit 5 with SCB1 UART TX, I2C SDA or SPI MISO."
},
{
"number": "24",
"name": "P0.6",
"type": "bidirectional",
"description": "GPIO port 0 bit 6 with external clock input, SCB1 UART CTS or SPI clock."
},
{
"number": "25",
"name": "XRES",
"type": "input",
"description": "Dedicated external reset pin reserved to avoid configuration conflicts with multiple pin functions during power-on or reconfiguration."
},
{
"number": "26",
"name": "VCCD",
"type": "power_out",
"description": "Regulated digital supply output, 1.8 V ±5% if supplied externally, bypassed with a 0.1-µF ceramic capacitor to VSS."
},
{
"number": "27",
"name": "VDDD",
"type": "power_in",
"description": "Power supply for the chip, 1.71 to 5.5 V, bypassed with 0.1-µF ceramic at each pin plus a 1 to 10 µF bulk capacitor."
},
{
"number": "28",
"name": "VSSD",
"type": "power_in",
"description": "Ground pin."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Table 1 pin description column for VDDD and VSSD appears swapped (pin 27 VDDD listed as 'Ground', pi; VCCD is a regulator output but can also be supplied externally (1.8 V ±5%, shorted to VDDD in regula; Datasheet revision history notes the 28-pin SSOP was removed in rev *A and re-added in *C; pin-to-fu"
],
"pages_sent": 14,
"cost_usd": 0.1915,
"at": "2026-10-31T12:22:58"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e9961a6ba5d5fbf2ed7d117245b5a13e.pdf",
"pages": 29,
"sha256": "7313ee9c00c7c45d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cy8c4246pvi-ds402.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
10.2,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c4246pvi-ds402-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
10.2,
2.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5ebfcd2ff5d808e701a39e2515164816ebdf3715f74caa8bc302e42feed590aa",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "PV (28-pin SSOP, dwg 51-85079)",
"source_page": 23,
"e": {
"nom_mm": 0.65,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 2,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "cy8c4246pvi-ds402.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Cypress Semicon",
"Package": "SSOP-28",
"Category": "Solders / Accessories / Batteries",
"Pins": "28"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "7313ee9c00c7c45dfa5c8bae319a18d9575e5dec904b1df0f08970681d33d7db",
"rows": [
{
"name": "Analog or digital supply relative to VSS",
"symbol": "VDD_ABS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "VSSD = VSSA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Direct digital core voltage input relative to VSSD",
"symbol": "VCCD_ABS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 1.95,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "GPIO voltage (min only; max is VDD+0.5)",
"symbol": "VGPIO_ABS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VDDD or VDDA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Current per GPIO",
"symbol": "IGPIO_ABS",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "GPIO injection current per pin",
"symbol": "IG-PIO_injection",
"kind": "absolute_maximum",
"unit": "mA",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "ESD human body model",
"symbol": "ESD_HBM",
"kind": "absolute_maximum",
"unit": "V",
"min": 2200,
"typ": null,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "ESD charged device model",
"symbol": "ESD_CDM",
"kind": "absolute_maximum",
"unit": "V",
"min": 500,
"typ": null,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Pin current for latch-up",
"symbol": "LU",
"kind": "absolute_maximum",
"unit": "mA",
"min": -140,
"typ": null,
"max": 140,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Power supply input voltage unregulated",
"symbol": "VDDD",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "With on-chip internal regulator enabled",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Power supply input voltage externally regulated",
"symbol": "VDDD",
"kind": "electrical",
"unit": "V",
"min": 1.71,
"typ": 1.8,
"max": 1.89,
"conditions": "Externally regulated within this range",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output voltage (for core logic)",
"symbol": "VCCD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.8,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "External regulator voltage bypass",
"symbol": "CEFC",
"kind": "electrical",
"unit": "µF",
"min": null,
"typ": 0.1,
"max": null,
"conditions": "X5R ceramic or better",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Power supply decoupling capacitor",
"symbol": "CEXC",
"kind": "electrical",
"unit": "µF",
"min": null,
"typ": 1,
"max": null,
"conditions": "X5R ceramic or better",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Active mode current, CPU at 6 MHz",
"symbol": "IDD1",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.1,
"max": 2.85,
"conditions": "Execute from flash; CPU at 6 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Active mode current, CPU at 12 MHz",
"symbol": "IDD2",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.6,
"max": 4,
"conditions": "Execute from flash; CPU at 12 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Active mode current, CPU at 24 MHz",
"symbol": "IDD3",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5.3,
"max": 6,
"conditions": "Execute from flash; CPU at 24 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Active mode current, CPU at 48 MHz",
"symbol": "IDD4",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 9.8,
"max": 13,
"conditions": "Execute from flash; CPU at 48 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sleep current, regulator off, 6 MHz",
"symbol": "IDD16",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.45,
"max": 1.65,
"conditions": "I2C wakeup, WDT, and comparators on. Regulator off. VDD = 1.71 to 1.89, 6 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sleep current, 6 MHz",
"symbol": "IDD17",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.8,
"max": 2.45,
"conditions": "I2C wakeup, WDT, and comparators on. VDD = 1.8 to 5.5, 6 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sleep current, regulator off, 12 MHz",
"symbol": "IDD18",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 1.9,
"conditions": "I2C wakeup, WDT, and comparators on. Regulator off. VDD = 1.71 to 1.89, 12 MHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Sleep current, 12 MHz",
"symbol": "IDD19",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 2.7,
"conditions": "I2C wakeup, WDT, and comparators on. VDD = 1.8 to 5.5, 12 MHz",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, regulator off, -40 to +60 °C",
"symbol": "IDD25",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2,
"max": 15,
"conditions": "I2C wakeup and WDT on. Regulator off. VDD = 1.71 to 1.89",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, -40 to +60 °C, VDD 1.8 to 3.6 V",
"symbol": "IDD26",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2,
"max": 15,
"conditions": "I2C wakeup and WDT on. VDD = 1.8 to 3.6",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, -40 to +60 °C, VDD 3.6 to 5.5 V",
"symbol": "IDD27",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2,
"max": 15,
"conditions": "I2C wakeup and WDT on. VDD = 3.6 to 5.5",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, +85 °C, regulator off",
"symbol": "IDD28",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 4,
"max": 45,
"conditions": "I2C wakeup and WDT on. Regulator off. VDD = 1.71 to 1.89",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, +85 °C, VDD 1.8 to 3.6 V",
"symbol": "IDD29",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 4,
"max": 45,
"conditions": "I2C wakeup and WDT on. VDD = 1.8 to 3.6",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Deep Sleep current, +85 °C, VDD 3.6 to 5.5 V",
"symbol": "IDD30",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 4,
"max": 45,
"conditions": "I2C wakeup and WDT on. VDD = 3.6 to 5.5",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Supply current while XRES asserted",
"symbol": "IDD_XR",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 5,
"conditions": "",
"source_page": 13,
"source": "datasheet"
},
{
"name": "CPU frequency",
"symbol": "FCPU",
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