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CML Semiconductor - V23 Compatible Modem

Numéro de référence FX604
Description V23 Compatible Modem
Fabricant CML Semiconductor 
Logo CML Semiconductor 





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FX604 fiche technique
CML Semiconductor Products
V23 Compatible Modem FX604
1.0 Features
D/604/3 November 1996
Provisional Information
1200/75 bits/sec Full Duplex V23 compatible Modem with:
Optional 75bits/sec Back Channel Optional Line Equalisation
Optional 1200bits/sec Data
Retiming Facility
-40°C to +85°C Operating
Temperature
3.58MHz Xtal/Clock Rate
16-pin SOIC and DIP Packages
3.0 to 5.5V Supply; 1.0mA typ. at 3V Conforms to relevant sections of
'Zero-Power' Mode; 1µA typ.
V23 and ETSI specifications
1.1 Brief Description
The FX604 is a low power CMOS integrated circuit for the reception or transmission of asynchronous
1200bits/sec data in accordance with CCITT V.23 and ETSI specifications. It is also capable of generating the
75bits/sec 'back channel'.
The device incorporates an optional Tx and Rx data retiming function that removes the need for a UART in the
associated µC when operating at 1200bits/sec. The device can disable the back channel or be operated so
only the mark or space tone is produced. An optional line equaliser is incorporated into the receive path, this is
controlled by an external logic level.
The FX604 may be used in a wide range of telephone telemetry systems. With a low voltage requirement of
3.0V it is suitable for both portable terminal and line powered applications. A very low current 'sleep' mode (1µ
A typ.) and operating current of 1mA typ. mean the device is ideal for line powered applications. A 3.58MHz
standard Xtal/Clock rate is required and the device operates from a 3.0 to 5.5V supply. Both SOIC (D4) and
Plastic DIL (P3) 16-pin package types are available.
© 1996 Consumer Microcircuits Limited

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