Features: • Data modes CCITT V.22 bis (2400 bps), V.22 (1200 bps) Bell 212A (1200 bps) and 103 (300 bps) Enhanced AT commands• Group 3 fax modes V.29 (9600/7200 bps) transmit V.27 ter (4800/2400 bps) transmit and receive V.21 Channel 2 (300 bps) transmit and receive• EIA-57...
RC224ATL: Features: • Data modes CCITT V.22 bis (2400 bps), V.22 (1200 bps) Bell 212A (1200 bps) and 103 (300 bps) Enhanced AT commands• Group 3 fax modes V.29 (9600/7200 bps) transmit V.27 t...
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Parameter | Symbol | Limits | Units |
Supply Voltage | VDD | 0.5 to + 7.0 | V |
Input Voltage | VIN | 0.5 to VCC + 0.5 | V |
Analog Inputs | VIN | 0.3 to + 5 VAA + 0.3 | V |
Voltage Applied to Outputs in High Z State | VHZ | 0.5 to + 5 VDD + 0.5 | V |
DC Input Clamp Current | IIK | 20 | mA |
DC Output Clamp Current | IOK | 20 | mA |
Static Discharge Voltage (@ 25) | VESD | 3000 | V |
Latch-Up Current (@ 25) | ITRIG | 200 | mA |
Operating Temperature Range | TA | 0 to + 70 | |
Storage Temperature Range | TSTG | 40 to + 80 |
The new Conexant RC224ATL utilizes a new integrated data pump/controller to allow the device to directly connect to host processors that are 3.3 V I/O capable. The codec used in the new part is the same as the codec used in the existing RC224ATL. The new device is form, fit, and function compatible with the existing device. This means there are no hardware and software differences between the existing and the new part, with one exception. The 3.3 V I/O capable part incorporates 3.3 V compatible digital I/O buffers, hence requiring 3.3 V digital supply instead of 5 V digital supply.
In addition, unlike the current version of RC224ATL, the new part provides both data and fax capabilities. Data modes, controlled by an industry standard 2400 AT command set, can transmit and receive up to 2400 bps. Fax modes, controlled by a built-in EIA-578 Class 1 command interface, provide Group 3 transmit and receive functions.