component
ISL3332IAZ
Public Made by Adomby adom
RENESAS Pre-ordered Chips, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "isl3332iaz",
"title": "ISL3332IAZ",
"brief": "RENESAS Pre-ordered Chips, SSOP-28-208mil. 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",
"interface ics",
"isl3332iaz",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ISL3332IAZ",
"manufacturer": "RENESAS",
"package": "SSOP-28-208mil",
"pin_count": 28,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/84af9ef327270c3bd3f2bcaede994781.pdf",
"parts": {
"symbol": "isl3332iaz.kicad_sym",
"footprint": "isl3332iaz.kicad_mod",
"model_3d": "isl3332iaz-hero.glb",
"model_3d_plain": "isl3332iaz-etched.glb",
"model_3d_step": "isl3332iaz-etched.step",
"model_3d_step_plain": "isl3332iaz.step",
"lbr": "isl3332iaz.lbr"
},
"distributor_links": {
"lcsc": "C1544171",
"digikey": "ISL3332IAZ-ND",
"mouser": "968-ISL3332IAZ"
},
"distributor_check": {
"checked_at": "2026-10-27T01:36:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ISL3332IAZ-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "968-ISL3332IAZ",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "C1+",
"type": "passive",
"description": "Voltage doubler external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
},
{
"number": "2",
"name": "C1-",
"type": "passive",
"description": "Voltage doubler external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
},
{
"number": "3",
"name": "V+",
"type": "power_out",
"description": "Internally generated positive RS-232 transmitter supply (+5.5V); C3 not needed if both ports are in RS-485 mode."
},
{
"number": "4",
"name": "A1",
"type": "input",
"description": "Port 1 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 inverting receiver input."
},
{
"number": "5",
"name": "B1",
"type": "input",
"description": "Port 1 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 noninverting receiver input."
},
{
"number": "6",
"name": "Y1",
"type": "output",
"description": "Port 1 driver output with 15kV ESD protection; RS-232 driver output or RS-485 inverting driver output."
},
{
"number": "7",
"name": "Z1",
"type": "output",
"description": "Port 1 driver output with 15kV ESD protection; RS-232 driver output or RS-485 noninverting driver output."
},
{
"number": "8",
"name": "SEL1",
"type": "input",
"description": "Port 1 interface mode select: high selects RS-485 mode, low selects RS-232 mode."
},
{
"number": "9",
"name": "SEL2",
"type": "input",
"description": "Port 2 interface mode select: high selects RS-485 mode, low selects RS-232 mode."
},
{
"number": "10",
"name": "Z2",
"type": "output",
"description": "Port 2 driver output with 15kV ESD protection; RS-232 driver output or RS-485 noninverting driver output."
},
{
"number": "11",
"name": "Y2",
"type": "output",
"description": "Port 2 driver output with 15kV ESD protection; RS-232 driver output or RS-485 inverting driver output."
},
{
"number": "12",
"name": "B2",
"type": "input",
"description": "Port 2 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 noninverting receiver input."
},
{
"number": "13",
"name": "A2",
"type": "input",
"description": "Port 2 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 inverting receiver input."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "15",
"name": "V-",
"type": "power_out",
"description": "Internally generated negative RS-232 transmitter supply (-5.5V); C4 not needed if both ports are in RS-485 mode."
},
{
"number": "16",
"name": "RB2",
"type": "output",
"description": "Port 2 RS-232 receiver output; in RS-485 mode not used and internally pulled high."
},
{
"number": "17",
"name": "RA2",
"type": "output",
"description": "Port 2 receiver output; RS-232 receiver output or RS-485 receiver output (high if inputs open or shorted, full fail-safe)."
},
{
"number": "18",
"name": "DZ2/DE2",
"type": "input",
"description": "Port 2 RS-232 driver input DZ, or RS-485 driver output enable DE (high enables Y, Z; internally pulled high in RS-485 mode)."
},
{
"number": "19",
"name": "DY2",
"type": "input",
"description": "Port 2 driver input; low forces Y high (RS-232) and a high forces Y low."
},
{
"number": "20",
"name": "ON/OFF",
"type": "input",
"description": "A low disables all outputs and charge pumps for low power shutdown; internally pulled high, high for normal operation."
},
{
"number": "21",
"name": "LB",
"type": "input",
"description": "Enables loopback mode when low; internally pulled high."
},
{
"number": "22",
"name": "DY1",
"type": "input",
"description": "Port 1 driver input; low forces Y high (RS-232) and a high forces Y low."
},
{
"number": "23",
"name": "DZ1/DE1",
"type": "input",
"description": "Port 1 RS-232 driver input DZ, or RS-485 driver output enable DE (high enables Y, Z; internally pulled high in RS-485 mode)."
},
{
"number": "24",
"name": "RA1",
"type": "output",
"description": "Port 1 receiver output; RS-232 receiver output or RS-485 receiver output (high if inputs open or shorted, full fail-safe)."
},
{
"number": "25",
"name": "RB1",
"type": "output",
"description": "Port 1 RS-232 receiver output; in RS-485 mode not used and internally pulled high."
},
{
"number": "26",
"name": "VCC",
"type": "power_in",
"description": "System power supply input (3.3V)."
},
{
"number": "27",
"name": "C2-",
"type": "passive",
"description": "Voltage inverter external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
},
{
"number": "28",
"name": "C2+",
"type": "passive",
"description": "Voltage inverter external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
}
],
"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: The pinout figure text on page 2 is scrambled. I assigned pin numbers from the Typical Operating Cir; The datasheet gives no pin-type classes. Types are inferred from the descriptions. V+ and V- are mar",
"6/28 pins cited to the wrong page (name found elsewhere): ['10:Z2@p5', '13:A2@p5', '16:RB2@p5', '17:RA2@p5']"
],
"pages_sent": 17,
"cost_usd": 0.2616,
"at": "2026-10-27T01:35:58"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/84af9ef327270c3bd3f2bcaede994781.pdf",
"pages": 28,
"sha256": "04894c599b496a1d",
"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": "isl3332iaz.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": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "isl3332iaz-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": "5d46f2b96a2c8e683934429290126f105e5678af312c9d4fee248be0ac61adc3",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "RENESAS",
"Package": "SSOP-28-208mil",
"Category": "Interface ICs",
"Pins": "28"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "04894c599b496a1d9694196ee209143f0360117a4ef23b17023e9caa22bac453",
"rows": [
{
"name": "Driver Differential VOUT (with load, RS-422)",
"symbol": "VOD2",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 2.3,
"max": null,
"conditions": "R = 50Ω (RS-422) (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Differential VOUT (with load, RS-485)",
"symbol": "VOD2",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": 2,
"max": 5,
"conditions": "R = 27Ω (RS-485) (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Differential VOUT (common-mode load)",
"symbol": "VOD3",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": 5,
"conditions": "RD = 60Ω, R = 375Ω, VCM = -7V to 12V (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Change in Magnitude of Driver Differential VOUT",
"symbol": "ΔVOD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.01,
"max": 0.2,
"conditions": "R = 27Ω or 50Ω (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Common-Mode VOUT",
"symbol": "VOC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 3,
"conditions": "R = 27Ω or 50Ω (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Change in Magnitude of Driver Common-Mode VOUT",
"symbol": "ΔVOC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.01,
"max": 0.2,
"conditions": "R = 27Ω or 50Ω (Figure 1)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Short-Circuit Current (RS-485)",
"symbol": "IOS",
"kind": "electrical",
"unit": "mA",
"min": 35,
"typ": null,
"max": 250,
"conditions": "-7V ≤ (VY or VZ) ≤ 12V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Three-State Output Leakage Current",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 200,
"conditions": "Outputs Disabled, VCC = 0V or 3.6V, VOUT = 12V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Driver Three-State Output Leakage Current",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -200,
"typ": null,
"max": null,
"conditions": "Outputs Disabled, VCC = 0V or 3.6V, VOUT = -7V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RS-232 Driver Output Voltage Swing",
"symbol": "VO",
"kind": "electrical",
"unit": "V",
"min": 5,
"typ": null,
"max": null,
"conditions": "All TOUTS Loaded with 3kΩ to Ground",
"source_page": 7,
"source": "datasheet"
},
{
"name": "RS-232 Driver Output Short-Circuit Current",
"symbol": "IOS",
"kind": "electrical",
"unit": "mA",
"min": -60,
"typ": null,
"max": 60,
"conditions": "VOUT = 0V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input High Voltage",
"symbol": "VIH1",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": null,
"max": null,
"conditions": "Full temp",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input Low Voltage",
"symbol": "VIL1",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "Full temp",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input Current",
"symbol": "IIN1",
"kind": "electrical",
"unit": "µA",
"min": -2,
"typ": null,
"max": 2,
"conditions": "Pins Without Pull-ups or Pull-downs",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Input Current",
"symbol": "IIN2",
"kind": "electrical",
"unit": "µA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "LB, ON/OFF, DE",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-485 Receiver Differential Threshold Voltage",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": -0.2,
"typ": null,
"max": -0.04,
"conditions": "-7V ≤ VCM ≤ 12V, Full Failsafe",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-485 Receiver Input Hysteresis",
"symbol": "VTH",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 35,
"max": null,
"conditions": "VCM = 0V, 25°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-485 Receiver Input Current (A, B)",
"symbol": "IIN",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "VCC = 0V or 3.0 to 3.6V, VIN = 12V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-485 Receiver Input Current (A, B)",
"symbol": "IIN",
"kind": "electrical",
"unit": "mA",
"min": -0.64,
"typ": null,
"max": null,
"conditions": "VCC = 0V or 3.0 to 3.6V, VIN = -7V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-485 Receiver Input Resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "kΩ",
"min": 15,
"typ": null,
"max": null,
"conditions": "-7V ≤ VCM ≤ 12V, VCC = 0 or 3.0V ≤ VCC ≤ 3.6V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-232 Receiver Input Voltage Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": -25,
"typ": null,
"max": 25,
"conditions": "Full temp",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-232 Receiver Input Threshold Low",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": 0.8,
"conditions": "Full temp",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-232 Receiver Input Threshold High",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": 1.6,
"max": null,
"conditions": "Full temp",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-232 Receiver Input Hysteresis",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.5,
"max": null,
"conditions": "25°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "RS-232 Receiver Input Resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "kΩ",
"min": 3,
"typ": 5,
"max": 7,
"conditions": "VIN = 15V, VCC Powered Up",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Receiver Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.2,
"max": 0.4,
"conditions": "IO = 5mA",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Receiver Short-Circuit Current",
"symbol": "IOSR",
"kind": "electrical",
"unit": "mA",
"min": 7,
"typ": null,
"max": 85,
"conditions": "0V ≤ VO ≤ VCC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Receiver Three-State Output Current",
"symbol": "IOZR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "Output Disabled, 0V ≤ VO ≤ VCC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Unused Receiver (RB) Pull-Up Resistance",
"symbol": "ROBZ",
"kind": "electrical",
"unit": "kΩ",
"min": null,
"typ": 40,
"max": null,
"conditions": "ON/OFF = VCC, SELX = VCC (RS-485 Mode), 25°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "No-Load Supply Current (RS-232)",
"symbol": "ICC232",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.7,
"max": 7,
"conditions": "SEL1 or SEL2 = GND, LB = ON/OFF = VCC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "No-Load Supply Current (RS-485)",
"symbol": "ICC485",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 5,
"conditions": "SEL 1 & 2 = LB = DE = ON/OFF = VCC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Shutdown Supply Current (RS-232)",
"symbol": "ISHDN232",
"kind": "electrical",
"unit": "µA",
"min": null,
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