Checkpoint Systems Inc. EVOLVES10 Manual Do Utilizador
Chapter 2 – SocketModem (MT5600SMI & MT5656SMI)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342D)
49
Electrical Characteristics
3.3 V Serial SocketModem
3.3 V DC Characteristics (TA = 0°C to 70°C; VDD = 3.3 V ± 0.3 V)
VDDMAX
= 3.6 V
Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 2.0 V
Min 2.0 V
Input Low
Max 0.8 V
Max 0.8 V
Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
2 mA, Z INT = 120
Ω
Output High
Min 2.4 V
Min 2.4 V
Output Low
Max 0.5 V
Max 0.5 V
Digital Input Capacitance
50pF
3.3 V Parallel SocketModem
Electrical characteristics for Parallel SocketModem devices are presented below.
3.3 V DC Characteristics (TA = 0°C to 70°C; VDD = 3.3 V ± 0.3 V)
3.3 V DC Characteristics (TA = 0°C to 70°C; VDD = 3.3 V ± 0.3 V)
VDDMAX
= 3.6 V
Digital Inputs
–DS (40)
–DS (40)
Input High
Min 2.0 V
Min 2.0 V
Input Low
Max 0.8 V
Max 0.8 V
Digital Inputs (hysteresis input buffer)
A0 (31), A1 (25), A2 (34), –WR (32), –RD (33)
8mA Z
A0 (31), A1 (25), A2 (34), –WR (32), –RD (33)
8mA Z
INT
= 50
Ω 2 mA Z
INT
= 120
Ω
Input High
Min 2.0 V
Min 2.0 V
Input Low
Max 0.8 V
Max 0.8 V
Digital Input/Output
DO (37), D1 (38), D2 (29), D3 (39), D4 (35), D5 (36), D6
(41), D7 (27)
2 mA, Z
DO (37), D1 (38), D2 (29), D3 (39), D4 (35), D5 (36), D6
(41), D7 (27)
2 mA, Z
INT
= 120
Ω
Input High
Min 2.0 V
Output High
Min 2.4 V
Min 2.0 V
Output High
Min 2.4 V
Input Low
Max 0.8 V
Output Low
Max 0.5 V
Max 0.8 V
Output Low
Max 0.5 V
Digital Output
INT (30)
2 mA, Z
INT (30)
2 mA, Z
INT
= 120
Ω
Output High
Min 2.4 V
Min 2.4 V
Output Low
Max 0.5 V
Max 0.5 V
Digital Input Capacitance
50pF
5 V Serial SocketModem
5 V DC Characteristics (
TA
= 0 °C to 50 °C;
VDD
= 5 V ± 0.25 V)
VDDMAX
=
5.25 V
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Input High
Min 2 V
Min 2 V
Input Low
Max 0.8 V
Max 0.8 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 2.4 V
Min 2.4 V
Output Low
Max 0.5 V
Max 0.5 V
Current Drive
15 mA
15 mA
Digital Input Capacitance
5 PF
5 V Parallel SocketModem
5 V DC Characteristics (TA = 0 °C to 50 °C; VDD = 5 V ± 0.25 V)
VDDMAX
= 5.25 V
Digital Inputs
–DS (40)
–DS (40)
Input High
Min 2 V
Min 2 V
Input Low
Max 0.8 V
Max 0.8 V
Digital Inputs (hysteresis input buffer)
A0 (31), A1 (25), –WR (32), –RD (33)
A0 (31), A1 (25), –WR (32), –RD (33)
Input High
Min 2 V
Min 2 V
Input Low
Max 0.8 V
Max 0.8 V
Digital Input / Output
DO (37), D1 (38), D2 (29), D3 (39), D4 (35), D5 (36), D6 (41),
D7 (27)
DO (37), D1 (38), D2 (29), D3 (39), D4 (35), D5 (36), D6 (41),
D7 (27)
Input High
Min 2 V
Min 2 V
Input Low
Max 0.8 V
Max 0.8 V
Current Drive
8 mA
8 mA
Digital Output
INT (30)
INT (30)
Output High
Min 2.4 V
Output Low
Max 0.5 V
Max 0.5 V
Current Drive
8 mA
8 mA
Digital Input Capacitance
5 PF