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PT8A2511PE

P1-P3P4-P6
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Toaster Controller
12-07-0006 PT0146-5 07/06/2011
1
PT8A2511
Features
Defrost mode for frozen bread
Reheat mode
Operating voltage: 3.5~5.5V
Few external components
DIP-8 and SOIC-8 package
Applications
Toaster
Description
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.
Pin Configuration
Top view
1
2
3
4 5
6
7
8
DEFROST
REHEAT
RELAY
GND
CX
OSC
RX
Vcc
PT8A2511P
PT8A2511PE
DIP-8 and SOIC-8 (Top View)
Pin Description
Name
Pin No.
Type
Description
DEFROST
1
I/O
As input, requires a negative pulse to active "Defrost" function. As output,
gives a "Defrost" function indicator
REHEAT
2
I/O
As input, requires a negative pulse to active "Reheat" function. As output, gives
a "Reheat" function indicator
RELAY
3
O
RELAY drive output. High active.
Vcc
4
-
Power supply
RX
5
O
Shorts to VCC once an active negative pulse appears at Reheat
OSC
6
I/O
Oscillator input/output, oscillator's Frequency of 1024Hz with an external R1,C1
CX
7
O
Shorts to GND once an active negative pulse appears at Defrost
GND
8
-
Power Ground
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12-07-0006 PT0146-5 07/06/2011
2
PT8A2511
Toaster Controller
Block Diagram
system
oscillator
V
CC
DEFROST
REHEAT
OSC
Power
On Reset
Frequency
divider
Controller
RX
RELAY
CX
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12-07-0006 PT0146-5 07/06/2011
3
PT8A2511
Toaster Controller
Maximum Ratings
Storage Temperature ................................................................................... -40
o
C to +125
o
C
Ambient Temperature with Power Applied .................... 0
o
C to +85
o
C
Supply Voltage to Ground Potential (Inputs & V
CC
Only) ...................... -0.5 to +5.5V
Supply Voltage to Ground Potential (Outputs & D/O Only) .................... -0.5 to +5.5V
DC Input Voltage ................................................................................................ -0.5 to +5.5V
DC Output Current ..........................................................................................................20mA
Power Dissipation ........................................................................................................ 500mW
Recommended operation conditions
Description
Min
Type
Max
Unit
Operation Temperature
0
25
+85
C
Supply voltage
3.5
4.0
5.5
V
Input High Voltage
0.8V
CC
-
0
V
Input Low Voltage
0
-
0.35V
CC
V
Electrical Characteristics (T
A
= 0 ~ 85ºC, unless otherwise noted)
Symbol
Description
Test Conditions
Min
Type
Max
Unit
V
IL
Input High Voltage
PIN: DEFROST,
REHEAT
V
CC
=4.0V
-
-
2.0
V
I
OH
Output Source Current
PIN: DEFROST,
REHEAT
V
CC
=3.5V
V
OH
=3.0V
-2.0
-
-
mA
I
OL
Output Sink Current
PIN: DEFROST,
REHEAT
V
CC
=3.5V
V
OL
=0.5V
4
-
-
mA
I
OH
Output Source Current
PIN: RELAY
V
CC
=3.5V
V
OH
=2.0V
-15
-
-
mA
I
OL
Output Sink Current
PIN: RELAY
V
CC
=3.5V
V
OL
=0.5V
0.5
-
-
mA
I
IH
Input High Leakage
Current
-
V
CC
=4.0V
V
IH
=3.5V
-
-
-1
µA
I
IL
Input Low Leakage
Current
-
V
CC
=4.0V
V
IL
=0.5V
-
-
1
µA
OSC
Frequency of normal
oscillator
V
CC
=4.0V, R1=56kΩ, C1=223
952
1024
1096
Hz
I
CC
Power supply Current
V
CC
=4.0V, R1=56kΩ, C1=223, all output
floating
-
-
100
µA
Note:
Stresses greater than those listed under MAXIMUM
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 condi-
tions above those indicated in the operational sec-
tions of this specification is not implied. Exposure
to absolute maximum rating conditions for extended
periods may affect reliability.
P1-P3P4-P6

PT8A2511PE

Mfr. #:
Buy PT8A2511PE
Manufacturer:
Diodes Incorporated
Description:
Timers & Support Products Multi-Function Timer (Toaster Controller)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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