PT8A2511 Datasheet, PDF (1/6 Pages) List of Unclassifed Manufacturers – PT8A2511

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PT8A2511
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Toaster Controller
Features
Description
 Defrost mode for frozen bread
 Reheat mode
 Operating voltage: 3.5~5.5V
 Few external components
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.
 DIP-8 and SOIC-8 package
Applications
 Toaster
Pin Configuration
Pin Description
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 07/06/2011
1