FEATURES
n Drivers - Current Limited Output ... 10mA Typical - Power-off Output impedance ... 300ohm Min. - Slew rate control by load capacitor - Flexible Supply Voltage Range - Input compatible with most TTL and DTL circuits n Receivers - Input resistance ..... 3kohm to 7kohm - Input signal range .... ± 30V - Built-in Input Hysteresis 2. DESCRIPTION
The ALi's M5232P combines three drivers and five receivers from ASP trade standard AP232 bipolar quadruple drivers and receivers, respectively. The pinout matches the flow through design of the AP232 to decrease the part count, reduce the board space required, and allow easy interconnection of the UART and serial-port connector of IBM PC/AT and compatibles. The bipolar circuits and processing of The switching speeds of the M5232P are fast enough to support rates up to 120 kbps with lower capacitive loads (shorter cables). Interoperability at the higher signalling rates cannot be assured unless the designer has design control of the cable and the interface circuits at both ends.