r6781-12 Conexant Systems, Inc., r6781-12 Datasheet - Page 81

• Manufacturer Part Number: r6781-12
• Description: Embedded Modem Family
• Manufacturer: Conexant Systems, Inc.

D224ATLVDSC
7.0 Electrical/Mechanical Specifications
7.1 Interfacing the RC224ATLV
The RC224ATLV is not 5.0 V I/O logic tolerant. It is recommended that a series
resistor of 150
when interfacing to + 5.0 V logic output lines. The digital outputs of the
RC224ATLV should not go to resistor pullups that are connected to the + 5 V
power supply. These precautions will help prevent the modem chip from going
into latchup due to raising any input or output pin level more than + 0.3 V above
the + 3.3 V power rail of the RC224ATLV .
7.2 Environmental Requirements
The environmental specifications are listed in
Table 7-1. Environmental Specifications
Operating Temperature
Storage Temperature
Relative Humidity
Parameter
be added to current limit the digital inputs to the RC224ATLV
Conexant
7
0 °C to + 70 °C (32 °F to 158 °F)
– 55 °C to + 125 °C (– 67 °F to + 257 °F)
Up to 90 % noncondensing, or a wet bulb temperature up
to 35 °C, whichever is less.
Table
Specification
7-1.
7-1