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5V Serial SocketModem
5 Vdc Characteristics (
Digital Inputs
–DTR (40), –TXD (35), –RTS (33), –RESET (24)
Digital Outputs
–DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)
Digital Input Capacitance
5V Parallel SocketModem
5 Vdc Characteristics (TA = 0 °C to 50 °C; VDD = 5 V ± 0.25 V)
Digital Inputs
–DS (40)
Digital Inputs (hysteresis input buffer)
A0 (31), A1 (25), –WR (32), –RD (33)
Digital Input / Output
DO (37), D1 (38), D2 (29), D3 (39), D4 (35), D5 (36),
D6 (41), D7 (27)
Digital Output
INT (30)
Digital Input Capacitance
Operating Conditions
Parameter
Supply voltage (Pin 61 = +3.3 V)
Operating ambient temperature
Supply voltage (Pin 61 = +5 V)
Operating ambient temperature
Absolute Maximum Ratings
Supply voltage (Pin 61 = +3.3 V)
Supply voltage (Pin 61 = +5 V)
Input voltage
Voltage applied to outputs in high impedance (Off) state
Storage temperature
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer's Guide
= 0 °C to 50 °C;
TA
VDD
+3.3 V Configuration
+5 V Configuration
Parameter
Chapter 3 – Electrical Characteristics
= 5 V ± 0.25 V)
VDDMAX
Input High
Min 3.5 V
Output High
Min 4 V
VDDMAX
Input High
Min 2 V
Input High
Min 2 V
Input High
Min 2 V
Output High
Min 2.4 V
Symbol
VDD
+3.13 to +3.47
T A
VDD
+4.75 to +5.25
T A
Symbol
VDD
VDD
V IN
V OUT
T STG
= 5.25 V
Input Low
Max .8 V
Output Low
Current Drive
Max 0.5 V
15 ma
5 PF
= 5.25 V
Input Low
Max .8 V
Input Low
Max .8 V
Input Low
Current Drive
Max .8 V
8 ma
Output Low
Current Drive
Max 0.5 V
8 ma
5 PF
Limits
Units
VDC
0 to +70
°C
VDC
0 to +70
°C
Limits
Units
-0.5 to +4.0
VDC
-0.5 to +7.0
VDC
-0.5 to (VDD +0.5)
VDC
VDC
+3.13 to +3.47
-40 to +80
°C
14
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