Specifications

Chapter 11 – SocketWireless Wi-Fi (MT800SWM)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342F) 143
Mechanical Dimensions
Electrical Characteristics
3.3V Serial
3.3VDC Characteristics (TA = -40 °C to 85 °C; VDD = 3.3V ± 0.3V) VDDMAX = 3.6V
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 2.52V
Input Low
Max 0.8V
Digital Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36),
–RXD (34)
Output High
Min. 2.3V
Output Low
Max 0.4V
Current Drive
2mA
Digital Input Capacitance 5 pF
5V Serial
5VDC Characteristics (TA = 0 °C to 50 °C; VDD = 5V ± 0.25V) VDDMAX = 5.25V
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 2.52V
Input Low
Max .0.8V
Digital Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36),
–RXD (34)
Output High
Min. 2.3V
Output Low
Max 0.4V
Current Drive
2mA
Digital Input Capacitance 5 pF
Note: All digital inputs/outputs are 3.3V only.