Datasheet Details
Part number:
FM3540, FM3
Manufacturer:
Fairchild Semiconductor
File Size:
100.10 KB
Description:
4/5-bit multiplexed 1-bit latched port.
Note:
This datasheet PDF includes multiple part numbers: FM3540, FM3.
Please refer to the document for exact specifications by model.
FM3540, FM3, 4/5-Bit Multiplexed 1-Bit Latched Port
The FM3540/60 multiplexes the I-port input signals with two internal non-volatile registers that can be loaded through the serial port.
The multiplexer is selected via the serial port and defaults to the I-Port upon power-up.
Pull-up resistors are provided on the input port to accommodate connection
FM3540 Features
* I Extended Operating Voltage Range 3.0V-5.5V I IIC Compatible Slave Interface. I ESD performance: Human body model > 2000V I Choice of 2.5V outputs or Open-Drain Outputs Block Diagram Non_Mux_Out I[4:0] Y[4:0] Mux1 SOPRA Mux2 SOPRB MXSB, MXSA IIC Read Logic Mux3 Control Logic MUXSEL OVRD SDA
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