User's Manual

PART 4 – Embedded Device Servers Chapter 9 – SocketEthernet IP (MT100SEM-IP)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342K) 138
DC Electrical Characteristics
3.3V Serial
3.3VDC Characteristics (VDD = 3.3V ± 0.3V) VDDMAX = 3.6V
Paramete
r
Minimum Maximum
Input Low Level
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Note: These inputs are 5 volt tolerant
-0.3V 0.8V
Input High Level
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Note: These inputs are 5 volt tolerant
Min 2.52V VDD
Output Low Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
NA 0.4V
Current Drive
2mA
Output High Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Min. 2.3V NA
Current Drive
2mA
Digital Input Capacitance
–
5 pF
5V Serial
5VDC Characteristics (VDD = 5V ± 0.25V) VDDMAX = 5.25V
Paramete
r
Minimum Maximum
Input Low Level
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
-0.3V 0.8V
Input High Level
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
2.52V VDD
Output Low Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
NA 0.4V
Current Drive
2mA
Output High Level
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
2.3V NA
Current Drive
2mA
Digital Input Capacitance
–
5 pF
Power* Measurements
MT100SEM-IP Measured Power at Input Voltage 5.00
Sleep Typical Maximum
Current (AMPS)
0.187 0.187 0.194
Watts
0.935 0.935 .97
MT100SEM-IP Measured Power at Input Voltage 3.3
Sleep Typical Maximum
Current (AMPS)
NA 0.137 0.168
Watts
NA 0.411 0.504
* Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power source when
determining product load.