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The MAX232ECNG4 is a dual EIA-232 driver and receiver manufactured by Texas Instruments, belonging to the MAX232E series. It operates on a single 5V supply with a voltage range of 4.5V to 5.5V. The device supports full-duplex communication at data rates up to 250 kb/s. It features two drivers and two receivers without a shutdown mode. The component is housed in an 8-SOIC (0.154 inch, 3.90mm wide) package and functions within a temperature range of -40°C to +85°C. Typical operating current is 10 mA.
Verify the specific suffix 'CNG4' against official Texas Instruments documentation to confirm package type and environmental compliance. Confirm end-of-life status or obsolescence notices prior to procurement, as availability may be limited for discontinued variants.
Select this component when a compact 8-pin surface-mount solution is required for RS-232 applications. Ensure the design accommodates the 250 kb/s speed capability and the -40°C to +85°C industrial temperature range. Verify that the 8-SOIC footprint matches the PCB layout constraints.
This part is a variant of the widely used MAX232 family, which established the standard for single-supply RS-232 transceivers. The 'E' designation indicates an enhanced version with higher data rate capabilities compared to the original MAX232. Texas Instruments continues to produce derivatives of this foundational interface technology.
Compatible alternatives include the MAX232IDR and MAX232DR from Texas Instruments. Other manufacturers offer pin-compatible RS-232 transceivers such as the SP3232 from Maxim Integrated, provided electrical specifications match.