Product Overview
Maxim MAX233CPP Dual +5V RS-232 Transceiver IC DIP-20
Condition
Used pull. Equipment pull with intact 20-pin through-hole DIP leads. Markings legible on top surface: MAXIM MAX233CPP with date code 9342B. Visual inspection completed; function testing not performed.
Same or next business day shipping from our Idaho warehouse. Reliable parts since 1999. Honest pricing, no nonsense.
We are here for our customers, with a no-hassle satisfaction guarantee.
Product Overview
Maxim MAX233CPP is a dual RS-232 line driver and receiver designed for EIA/TIA-232E and ITU-T V.28 serial communication links. It operates from a single +5V supply and features internal charge-pump circuitry that generates necessary RS-232 voltage levels without requiring external charge-pump capacitors. Housed in a standard 20-pin plastic dual in-line package (PDIP), this transceiver supports data rates up to 120 kbps.
Key Features
- Dual transmitter and dual receiver channels (2 Tx / 2 Rx)
- Operates from a single +5.0V power supply (4.5V to 5.5V range)
- Integrated internal charge-pump capacitors eliminate external capacitor requirements
- Standard EIA/TIA-232E and V.28 communication compliant
- Data transfer rates up to 120 kbps
- 20-pin through-hole plastic DIP package
- Commercial operating temperature range (0°C to +70°C)
Applications
- Replacing failed RS-232 interface transceivers on legacy industrial motherboards and serial interface cards
- Benchtop microcontroller projects requiring hardware RS-232 COM port level shifting without external pump caps
- Restoring vintage computing gear, serial terminals, and legacy diagnostic equipment
- Interfacing modern UART lines to legacy serial test instruments and CNC controllers
Frequently Asked Questions
Does the MAX233CPP require external capacitors like the standard MAX232?
No. The MAX233 architecture incorporates built-in charge-pump capacitors, allowing it to generate standard RS-232 voltage levels directly from a +5V rail with no external capacitors needed on the board.
What package type is this MAX233 variant?
This unit is in a 20-pin plastic through-hole DIP (PDIP) package measuring approximately 26 mm in package length.
Why buy this individual pulled IC rather than a bulk surplus lot?
Getting a single, clearly photographed part with legible date markings lets you complete a specific repair or prototype without paying for excess components you will never use. Orders ship for an $8 flat rate, qualify for free shipping at $28, and dispatch from our Idaho warehouse the same or next business day.
No extra charge-pump caps to solder and no guesswork on the pinout - just plug in a classic transceiver and bring that serial link right back to life.
