component
MAX3238CDBR
Public Made by Adomby adom
Texas Instruments RS232 ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "Texas Instruments RS232 ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"interface",
"max3238cdbr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "MAX3238CDBR",
"manufacturer": "Texas Instruments",
"package": "SSOP-28-208mil",
"pin_count": 28,
"category": "Interface",
"subcategory": "RS232 ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/max3238",
"parts": {
"symbol": "max3238cdbr.kicad_sym",
"footprint": "max3238cdbr.kicad_mod",
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"lbr": "max3238cdbr.lbr"
},
"distributor_links": {
"lcsc": "C2671413",
"digikey": "296-9597-2-ND",
"mouser": "595-MAX3238CDBR"
},
"distributor_check": {
"checked_at": "2026-10-08T23:01:24Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-9597-2-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "595-MAX3238CDBR",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "C2+",
"type": "passive",
"description": "Positive terminal of charge-pump capacitor C2, which connects between C2+ and C2−; the capacitor value depends on VCC per the table on page 10."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Network ground; all device voltages are referenced to this pin."
},
{
"number": "3",
"name": "C2−",
"type": "passive",
"description": "Negative terminal of charge-pump capacitor C2, connected to C2+."
},
{
"number": "4",
"name": "V−",
"type": "power_out",
"description": "Negative charge-pump output supply; the absolute maximum range is printed as 0.3 V to −7 V with respect to network GND."
},
{
"number": "5",
"name": "DOUT1",
"type": "output",
"description": "RS-232 driver 1 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
},
{
"number": "6",
"name": "DOUT2",
"type": "output",
"description": "RS-232 driver 2 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
},
{
"number": "7",
"name": "DOUT3",
"type": "output",
"description": "RS-232 driver 3 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
},
{
"number": "8",
"name": "RIN1",
"type": "input",
"description": "RS-232 receiver 1 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
},
{
"number": "9",
"name": "RIN2",
"type": "input",
"description": "RS-232 receiver 2 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
},
{
"number": "10",
"name": "DOUT4",
"type": "output",
"description": "RS-232 driver 4 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
},
{
"number": "11",
"name": "RIN3",
"type": "input",
"description": "RS-232 receiver 3 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
},
{
"number": "12",
"name": "DOUT5",
"type": "output",
"description": "RS-232 driver 5 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
},
{
"number": "13",
"name": "FORCEON",
"type": "input",
"description": "Auto-powerdown plus control: auto-powerdown plus is active when FORCEON is low and FORCEOFF is high, and disabled when both are high; input range 0 V to 5.5 V."
},
{
"number": "14",
"name": "FORCEOFF",
"type": "input",
"description": "Active-low driver shutdown: when low, drivers and charge pump are powered off with outputs in high impedance; input range 0 V to 5.5 V."
},
{
"number": "15",
"name": "INVALID",
"type": "output",
"description": "Output high when any receiver input is valid (above 2.7 V or below −2.7 V), and low when all receiver inputs stay between −0.3 V and 0.3 V for more than 30 µs; VOH is VCC − 0.6 V minimum."
},
{
"number": "16",
"name": "ROUT1B",
"type": "output",
"description": "Always-active noninverting receiver output (RIN1 to ROUT1B) that remains active when the device is powered off by FORCEOFF."
},
{
"number": "17",
"name": "DIN5",
"type": "input",
"description": "Driver 5 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
},
{
"number": "18",
"name": "ROUT3",
"type": "output",
"description": "CMOS receiver 3 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
},
{
"number": "19",
"name": "DIN4",
"type": "input",
"description": "Driver 4 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
},
{
"number": "20",
"name": "ROUT2",
"type": "output",
"description": "CMOS receiver 2 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
},
{
"number": "21",
"name": "ROUT1",
"type": "output",
"description": "CMOS receiver 1 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
},
{
"number": "22",
"name": "DIN3",
"type": "input",
"description": "Driver 3 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
},
{
"number": "23",
"name": "DIN2",
"type": "input",
"description": "Driver 2 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
},
{
"number": "24",
"name": "DIN1",
"type": "input",
"description": "Driver 1 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
},
{
"number": "25",
"name": "C1−",
"type": "passive",
"description": "Negative terminal of charge-pump capacitor C1, connected to C1+."
},
{
"number": "26",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 3 V to 5.5 V recommended operating range, bypassed with 0.1 µF per the typical circuit."
},
{
"number": "27",
"name": "V+",
"type": "power_out",
"description": "Positive charge-pump output supply; the absolute maximum range is −0.3 V to 7 V with respect to network GND."
},
{
"number": "28",
"name": "C1+",
"type": "passive",
"description": "Positive terminal of charge-pump capacitor C1, which connects between C1+ and C1−; the capacitor value depends on VCC per the table on page 10."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet does not state a 208 mil body width anywhere in the text; it only gives SSOP (DB) 28-p; The pin-to-name assignment was inferred from the column order of the extracted top-view text (left 1; Page 4 prints the V− absolute maximum as '0.3 V to −7 V' with the minus sign missing on the first va",
"8/28 pins cited to the wrong page (name found elsewhere): ['8:RIN1@p6', '9:RIN2@p6', '11:RIN3@p6', '18:ROUT3@p6']"
],
"pages_sent": 19,
"cost_usd": 0.1196,
"at": "2026-10-08T23:00:29"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/max3238",
"pages": 19,
"sha256": "eac40e856c766465",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"units": "mm",
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"seat": "z = 0",
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"role": "eda",
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"seat": "z = 0",
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"sha256": "44923e3725044e68f6bb91001680ce751cf958341dfce5110968291d49963970",
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