Checkpoint Systems Inc. EVOLVES10 Manual De Usuario
Chapter 5 – SocketModem IP (MT2456SMI-IP)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342D)
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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)
–DTR (40), –TXD (35), –RTS (33)
Note:
These digital inputs are 5 volt tolerant
Input High
Min 2.52 V
Min 2.52 V
Input Low
Max 0.8 V
Max 0.8 V
Digital Inputs
–RESET (24)
–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)
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Output High
Min. 2.3 V
Min. 2.3 V
Output Low
Max 0.4 V
Max 0.4 V
Current Drive
2 mA
2 mA
Digital Input Capacitance
5 pF