PT8A2511

||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| PT8A2511 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Toaster Controller Features Description  Defrost mode for frozen bread  Reheat mode  Operating voltage: 3.5~5.5V  Few external components  DIP-8 and SOIC-8 package The PT8A2511 is a CMOS LSI chip designed for toaster. Besides normal heating, it also provides defrost and reheat work modes. It provides low cost solution for toaster. Applications  Toaster Pin Configuration Pin Description PT8A2511P PT8A2511PE DEFROST 1 REHEAT 2 8 GND 7 CX RELAY 3 Vcc 4 6 OSC 5 RX DIP-8 and SOIC-8 (Top View) Top view Name Pin No. DEFROST 1 REHEAT 2 RELAY 3 Vcc 4 RX 5 OSC 6 CX 7 GND 8 Type I/O I/O O O I/O O - Description As input, requires a negative pulse to active "Defrost" function. As output, gives a "Defrost" function indicator As input, requires a negative pulse to active "Reheat" function. As output, gives a "Reheat" function indicator RELAY drive output. High active. Power supply Shorts to VCC once an active negative pulse appears at Reheat Oscillator input/output, oscillator's Frequency of 1024Hz with an external R1,C1 Shorts to GND once an active negative pulse appears at Defrost Power Ground 12-07-0006 PT0146-5 07/06/20...