DESCRIPTION
With Thus, it is easy to verify a broad range of time sequences which can be set independently of each other. FEATURES
D Relay activation can be controlled by a limit switch of the wiper motor or by a fixed activation period for systems without limit switch D Debounced input stages D Enable/disable of pre-wash delay by program pin D Polarity of WIWA: VBatt D Polarity of INT: D Relay activation: D Interval pause: D After wiping: D Pre-wash delay: 0.64 s 10 s 5.8 s 0.91 s D Wipe/wash mode with priority D Protected in accordance to ISO/TR 7637–1 D EMC with intergrated filters VBatt D Relay output is protected with a clamping diode Ordering Information Extended Type Number U2642B U2642B–FP Package DIP8 SO8 Remarks Block Diagram VS OSC Voltage stabilization and POR Oscillator INT 21 V WIWA 21 V LS 21 V PP 21 V Input comparator Logic Loaddump detection and output control Open-collector relay driver REL 21 V GND 13944 Figure 1. TELEFUNKEN Semiconductors Rev. A2, 02-Dec-97 1 (10) U...