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FX614D4
CML Semiconductor Products Bell 202 Compatible Modem FX614 D/614/4 October 1997 Advance Information 1.0 Features • 1200bits/sec 1/2 Duplex Bell 202 compatible Modem with: • Optional 5bits/sec and 150bits/sec Back Channel • Optional 1200bits/sec Data Retiming Facility • 3.0 to 5.5V Supply; 1.0mA at 3V 'Zero-Power' Mode; 1µA µ 1.1 • Optional Line Equalisation • -40°C to +85°C Operating Temperature • 16-pin SOIC and DIL Packages • 3.58MHz Xtal/Clock Rate Brief Description The FX614 is a low power CMOS integrated circuit for the reception or transmission of asynchronous 1200bits/sec data and is suitable for use in Bell 202 type systems. It is also capable of generating the 5bits/sec or 150bits/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. An optional line equaliser is incorporated into the receive path, this is controlled by an external logic level. The FX614 may be used in a wide range of telephone telemetry systems. With a low operating voltage of 3.0V, a very low current 'sleep' mode (1µA) and an operating current of 1mA the device is ideal for portable, terminal and line powered applications. A 3.58MHz standard Xtal/Clock rate is required and the device operates from a 3.0V to 5.5V supply. Both SOIC (D4) and Plastic DIL (P3) 16-pin package types are available. © 1997 Consumer Microcircuits Limited
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