Maxim MAX3140CEI+ UART RS422, RS485 230kBd, 4.75 → 5.25 V, 28-Pin, QSOP

  • RS Stock No. 165-9400
  • Mfr. Part No. MAX3140CEI+
  • Manufacturer Maxim
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): US
Product Details

Universal Asynchronous Receiver/Transmitter (UART), Maxim Integrated Products


Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

A Universal Asynchronous Receiver/Transmitter, abbreviated (UART) and universal synchronous/asynchronous receiver/transmitter (USART) are commonly used in conjunction with communication standards such as EIA, RS-232, RS-422 or RS-485. It takes bytes of data and transmits or receives the individual bits in a sequential fashion. Modem (Modulator-Demodulator) that modulates an analogue carrier signal to encode digital information and demodulates the signal to decode the transmitted information includes the UART function for transmission over telephone lines.

Attribute Value
Number of Channels per Chip 1
Standard Supported RS422, RS485
Maximum Data Rate 230kBd
Mounting Type Surface Mount
Package Type QSOP
Pin Count 28
Typical Operating Supply Voltage 4.75 → 5.25 V
Dimensions 9.98 x 3.99 x 1.5mm
Length 9.98mm
Width 3.99mm
Height 1.5mm
Minimum Operating Temperature 0 °C
Maximum Operating Temperature +70 °C
100 In stock for delivery within 3 working days
Price Each (In a Tube of 50)
SGD 19.264
(exc. GST)
SGD 20.612
(inc. GST)
Per unit
Per Tube*
50 +
*price indicative