Part Number: 8A2512
Function: Simple Toaster Controller
Package: TO94-4 Type
The PT8A2512 is a CMOS LSI chip designed for simple toaster. It provides low cost solution for toaster. The chip is enclosed in a 4 pin TO-94.
1. Operating voltage : 3.5~5.5V
2. Few external components
3. No start to turn on Relay without oscillation.
4. TO94-4 package
Pin Assignment PT8A2512NE 1 2 3 4 TO-94 1-RELAY 2-VCC 3-OSC 4-GND Fig 2 PT8A2512NE pin assignment Pin Description Name Pin No. Type Description RELAY VCC OSC GND 1 2 3 4 O I/O – Relay control output, high active Power supply Input/output of RC oscillator GND Block Diagram Power on VC C GND O SC System O scil l ator Frequen cy Di vi der RELAY Re set PT8A2512NE Fi g1 Functio n B lo ck Diag ra m 12-07-0006 1 PT0204-4 07/06/2012 Free Datasheet http:/// | PT8A2512 Simple Toaster Controller Maximum Rating Storage Temperature – 25oC to +85oC Supply Voltage to Ground Potential (Inputs & VCC only) – 0.5 to +5.5V Supply Voltage to Ground Potential (Outputs only) – 0.5 to +5.5V DC Input Voltage – 0.5V to +5.5V Output Current 20mA Power Dissipation 500mW Note: Stresses greater than those listed under AXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended Operating Conditions Symbol VCC TA Pin VCC Description Supply voltage Operation Temperature Min 3.5 0 Typical 4 25 Max 5.5 85 Unit V C DC Electrical Characteristics (TA = 0 ~ 85º C, unless otherwise noted) Symbol IOH IOL FOSC Description Output source current Output sink current Frequency of oscillator Test Conditions V CC = 3.5V, VOH=2.0V V CC = 3.5V, VOL=0.5V V CC = 4.0V Rosc=56K,Cosc=223 Min -12 0.5 952 Typical 1024 Max 1096 Unit mA mA Hz AC Electrical Characteristics (TA = 0 ~ 85º C, unless otherwise noted) Symbol ICC De […]