Absolute Maximum Rating; Electrical Characteristics Other Pins; Pinout Specifications - Multitech MTSMC-LAT3 Device Manual

SPECIFICATIONS
Parameter
Output Low Level
Output High Level
5 Volt Powered
Input Low Level
Input High Level
Output Low Level
Output High Level

Absolute Maximum Rating

All models can run with an input voltage of either 3.3V or 5V. The maximum voltage on any signal pin equals the
input voltage.

Electrical Characteristics Other Pins

Pin Signal
Name
J24 -RESET
J25 USB VBUS
J26 GND
J27 USB DP
J28 USB DN
J41 GND
J58 -LED LINK
J61 VCC
J63 GND

Pinout Specifications

Pin Signal Name
J24 –RESET
J25 USB VBUS
J26 GND
J27 USB DP
J28 USB DN
J33 –RTS
J34 –RXD
12
Minimum
0
2.35
0
2.3
0
3.7
VIL Min VIL Max VIH Min
-- 0.8 2.0
-0.3 0.8 2.0
-- -- --
-- 0.8 2
-- 0.8 2
-- -- --
-- -- --
-- -- --
-- -- --
Logic Level Voltage
3.3 – 5.0
3.3 – 5.0
GND
3.3
3.3
5.0
5.0
Maximum
0.55
3.3
0.8
5
0.55
5
VIH Max VOL Min
-- --
8.7 --
-- --
-- --
-- --
-- --
-- 0
-- --
-- --
1
In/Out
I
I
GND
I/O
I/O
I
O
SocketModem
VOL Max VOH Min VOH Max
-- --
-- --
-- --
0.3 2.8
0.3 2.8
-- --
0.45 2.85
-- --
-- --
Description
Device reset (active low)
USB power supply input
Ground
USB data
USB data
Request to send (active low)
Received data (active low)
®
Cell MTSMC-LAT3 Device Guide
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3.3
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