Alternatives to Texas Instruments MAX232ECDWR
Texas Instruments MAX232ECDWR and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 MAX232ECDWRTexas Instruments |  MAX232ECWE+TAnalog Devices Inc./Maxim Integrated | MAX3232ECDWRTexas Instruments | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Pinout is identical, featuring the standard 16-pin SOIC assignments (Pins 1-16) for charge pump capacitors, transceivers, VCC, and GND.Housed in the identical 16-SOIC Wide package (0.295 inch / 7.50mm body width) matching the physical footprint of the TI DW package.The maximum supported data rate is lower than the target part (120kbps vs 250kbps), which may impact high-speed applications. | Pinout assignments for the transceiver lines and external charge pump capacitors are fully identical to the original MAX232ECDWR.Uses the identical 16-SOIC Wide (DW) package, requiring no layout changes.Receiver hysteresis is slightly lower (300mV vs 500mV), and charge-pump capacitor requirements differ depending on the VCC supply level. | ||
 AI Summary | MAX232ECDWR by Texas Instruments: 2/2 Transceiver Full RS232 16-SOIC. | An active, highly reliable replacement from the original manufacturer of the MAX232 series. It offers identical physical dimensions and safety ratings, though its maximum data rate is restricted to 120kbps.
| A next-generation active drop-in alternative from Texas Instruments that supports a wider operating voltage range (3V to 5.5V) while matching the original 250kbps data rate. It serves as a modern replacement but requires checking receiver noise immunity and capacitor values.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | Unknown | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 2/2 Transceiver Full RS232 16-SOIC | 2/2 Transceiver Full RS232 16-SOIC | RS-232 Interface IC 3-5.5V MultiCh Line Driver/Receiver A 59 A 595-MAX3232ECDW | |
| Manufacturer | Texas Instruments | Analog Devices Inc./Maxim Integrated | Texas Instruments | |
| Type | Interface | Interface | RS-232 Interface IC | |
| Datasheet | Open | Open | N/A | |
| Lead Time | 6 weeks | 11 weeks | 9 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0070 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Type | Transceiver | - | - | |
| Duplex | Full | - | - | |
| Protocol | RS232 | - | - | |
| Data Rate | 250kbps | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | - | - | |
| Voltage - Supply | 4.5V ~ 5.5V | - | - | |
| Receiver Hysteresis | 500 mV | - | - |
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Frequently asked questions
Yes. The Texas Instruments MAX232ECDWR is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Texas Instruments MAX232ECDWR are the MAX232ECWE+T (Analog Devices Inc./Maxim Integrated) and the MAX3232ECDWR (Texas Instruments), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the MAX232ECDWR are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The MAX232ECDWR (Texas Instruments) is a part in the Interface category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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