HT6571

HT6571 Multiple RS-232 Drivers and Receivers Features · Single-chip with easy interface between UART and · Driver current-limited output: 25mA typ. · Flexible supply voltage range · ESD protection exceeds 5kV · 20-pin SOP package serial port connector · Three drivers and five receivers meet or exceed the requirements of EIA/TIA-232-D · Designed to support data rates up to 120 Kbit/s General Description The HT6571 is a CMOS device containing three RS-232 line drivers, and five RS-232 line receivers that are used to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). Block Diagram R A 1 R A 2 R A 3 D Y 1 D Y 2 R A 4 D Y 3 R A 5 R Y 1 R Y 2 R Y 3 D A 1 D A 2 R Y 4 D A 3 R Y 5 Pin Assignment V D D R A 1 R A 2 R A 3 D Y 1 D Y 2 R A 4 D Y 3 R A 5 V S S 9 1 0 8 7 6 5 4 3 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 V C C R Y 1 R Y 2 R Y 3 D A 1 D A 2 R Y 4 D A 3 R Y 5 G N D H T 6 5 7 1 2 0 S O P -A Absolute Maximum Ratings Supply Voltage (VSS VDD).......................... -15V~15V Input Voltage Driver .......................................... 0V~7V Output Voltage Driver .................................. -15V~15V Supply Voltage (GND VCC) ....................... -0.3V~5.5V Receiver ...................................................... -15V~15V Receiver ............................................................ 0V~7V Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause subs...