Multitech MT5600SMI Specifications download pdf (Page 92)

Chapter 5 – SocketModem IP (MT2456SMI-IP)

Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342C) 92

Electrical Characteristics

3.3 V Serial

3.3 V DC Characteristics (TA = -40 °C to 85 °C; VDD = 3.3 V ± 0.3 V)

VDDMAX

= 3.6 V

Digital Inputs

–DTR (40), –TXD (35), –RTS (33)

Note: These digital inputs are 5 volt tolerant

Input High

Min 2.52 V

Input Low

Max 0.8 V

Digital Inputs

–RESET (24)

Note: These digital inputs are 5 V tolerant

Input High

Min. 2.52 V

Input Low

Max. 0.3 V

Digital Outputs

–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)

Output High

Min. 2.3 V

Output Low

Max 0.4 V

Current Drive

2 mA

Digital Input Capacitance

5 pF

1 2 ... 87 88 89 90 91 92 93 94 95 96 97 ... 137 138

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Multitech MT5600SMI Specifications Page 92