PT8A992A/993A
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
10-Function Remote Controller
Features
The PT8A992AP works as the encoder and the
PT8A993AP works as the decoder
11 output pins, 4 for forward, backward, left and right
functions, and 7 functional keys
Operation power supply: 3.0V to 5.5V
Auto power-off if no key pressed (PT8A992A)
Low operating current
On-chip oscillator with an external resistor
On-chip receiving amplifiers
Few external components needed
PT8A992AP
PT8A993AP
Description
The PT8A992A/993A is a pair of CMOS LSIs
designed for remote controlled toy car application. They
have 11 control keys for controlling the corresponding
motion (i.e. forward, backward, left, right and 7 other
functions) of the remote controlled car.
Pin Configuration
18-Pin PDIP
VO2
GND
SI
OSCI
OSCO
F1
Right
F2
Left
PC
ON/OFF
F3
24-Pin PDIP
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VI2
VO1
VI1
V
CC
F5
Forward
Backward
VT2
VT1
F7
F6
F4
Right
NC
GND
Backward
Forward
F5
SC
F6/F7
F4
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Left
F1
OSCI
OSCO
PC
V
CC
SO
F2
F3
PT8A992A 18-Pin DIP (Top View)
PT8A993A 24-Pin DIP(Top View)
Pin Description
Pin description for PT8A992A
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Pin Name
Right
NC
GND
Backward
Forward
F5
SC
F6/F7
F4
F3
F2
SO
Vcc
PC
OSCO
OSCI
F1
Left
Type
I
-
GND
I
I
I
O
I
I
I
I
O
P
O
O
I
I
I
Top View
Description
The rightward function selected if this pin connected to GND
No connection
Ground
Backward function selected if this pin connected to GND
Forward function selected if this pin connected to GND
Function 5 select if this pin connected to GND
Output pin of the encoding signal with carrier freqency
Connect to GND to toggle between F6 and F7 of PT8A993A when working with PT8A993A
Function 4 selected if connected to GND
Function 3 selected if connected to GND
Function 2 selected if connected to GND
Output pin of the encoding signal without carrier freqency
Power supply
Power control output pin
Oscillator output pin
Oscillator input pin
Function 1 selected if connected to GND
Leftward function selected if this pin connected to GND
PT0096-1
1
07/06/2012
12-07-0006
PT8A992A/993A
10-Function Remote Controller
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pin description for PT8A993A
Pin No
1, 23
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22, 24
Pin Name
VO1, VO2
GND
SI
OSCI
OSCO
F1
Right
F2
Left
PC
ON/OFF
F3
F4
F6
F7
VT1
VT2
Backward
Forward
F5
Vcc
VI1, VI2
Type
O
GND
I
I
O
O
O
O
O
O
I
O
O
O
O
I
I
O
O
O
P
I
Description
Output pins of inverter 1 and 2 for Signal amplifier
Ground
Input pin for encoded signal
Oscillator input pin
Oscillator output pin
F1 function output pin
Rightward output pin
F2 function output pin
Leftward output pin
Power control pin
ON/OFF pin
F3 function output pin
F4 function output pin
F6 function output pin
F7 function output pin
Auto shut off input pin: if the voltage on this pin keeps higher than 0.095Vccfor 3 seconds, all
outputs will be shut off automatically.
Auto shut off input pin: if the voltage on this pin keeps higher than 0.095Vcc for 3 seconds, all
outputs will be shut off automatically.
Backward output pin
Forward output pin
F5 function output pin
Power supply
Input pins of invertors 1 and 2 for signal amplifier
12-07-0006
2
PT0096-1
07/06/2012
PT8A992A/993A
10-Function Remote Controller
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Block Diagram
Block diagram for PT8A992A
f
0
/2
OSCI
OSCO
Forward
Backward
Left
Right
F1
F2
F3
F4
F6/F7
F5
f
0
Oscillator
Timing
Generator
SC
MUX
SO
Latch
Circuit
Logic
Control
PC
Counters
Block diagram for PT8A993A
ON/OFF
OSCI
OSCO
SI
VI1
VI2
VT1
VT2
Oscillator
Amp
Timing
Generator
Decoding
Circuit
PC
Counter
PLA
Right
Left
Backward
Forward
F1
F2
F3
F4
F5
F6
F7
PT0096-1
07/06/2012
VO1
VO2
VT
Detector
Latch
Circuit
12-07-0006
3
PT8A992A/993A
10-Function Remote Controller
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Maximum Ratings
Storage Temperature..........................................................................................-25
o
C to +85
o
C
Ambient Temperature with Power Applied .....................................................0
o
C to +70
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
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.
Recommended Operation Conditions
Sym
Vcc
V
IH
V
IL
FOSC
T
A
Description
Supply Voltage
Input HIGH Voltage
Input LOW Voltage
Oscillator frequency
Operation temperature
Min
3
0.7Vcc
-
109
0
Typ
4
4
0
128
-
Max
5
-
0.3Vcc
146
70
Unit
V
V
V
kHz
C
DC Electrical Characteristics
PT8A992A (Unless otherwise noted, V
CC
= 4.0V, T
A
= 0 ~ 70º
C)
Sym
I
STB
I
CC
I
OH
Stand by current
Supply Current
Output HIGH Current
- PC and SO Pins
V
OH
=3.5V, T
A
= 25º
C
Output HIGH Current - SC Pin
Output HIGH Current - OSCO Pin
I
OL
I
IH
I
IL
Output LOW Current -
SC, PC and SO Pins
Output LOW Current - OSCO Pin
Input HIGH Current - Forward, Backward, Left, Right, F1, F2,
F3, F4, F5, F6/F7, OSCI Pins
Input HIGH Current - Forward, Backward, Left, Right, F1, F2,
F3, F4, F5, F6/F7 Pins
Input LOW Current - OSCI Pin
V
OL
=0.5V, T
A
= 25º
C
V
CC
=5.5V, V
IH
=V
CC
,
T
A
= 25º
C
V
CC
=5.5V, V
IL
=0V,
T
A
= 25º
C
Description
Test conditions
T
A
= 70º Off state
C,
Output Unload
Min
-
-
-1
-3
-400
1
400
-
-15
-
Typ
-
-
-2
-4
-
-
-
-
-25
-
Max
2
300
-
-
-
-
-
10
-100
-10
Unit
A
A
mA
mA
A
mA
A
A
A
A
12-07-0006
4
PT0096-1
07/06/2012
PT8A992A/993A
10-Function Remote Controller
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PT8A993A (Unless otherwise noted, V
CC
= 4.0V, T
A
= 0 ~ 70º
C)
Sym
I
STB
I
CC
Stand by current
Supply Current
Output HIGH Current - VO1, VO2 and OSCO Pins
I
OH
Output HIGH Current - Forward, Backward, Left and Right Pins
Output HIGH Current - F1, F2, F3 F4, F5 and F6 Pins
Output HIGH Current - PC Pin
Output LOW Current - VO1, VO2 and OSCO Pins
I
OL
Output LOW Current - Forward, Backward, Left and Right Pins
Output LOW Current - F1, F2, F3, F4, F5 and F6 Pins
Output LOW Current - PC Pin
I
IH
I
IL
VT
Input HIGH Current - VT1 and VT2 Pins
Input HIGH Current - SI, VI1, VI2, ON/OFF and OSCI Pins
Input LOW Current - SI, VI1, VI2, VT1, VT2 and OSCI Pins
Input LOW Current - ON/OFF Pin
Over Current Limit VT1 and VT2 Pins
V
I
=V
CC
, T
A
= 25º
C
V
I
=0V, T
A
= 25º
C
Forward is high
V
OL
=0.5V, T
A
= 25º
C
V
OH
=3.5V, T
A
= 25º
C
Description
Test conditions
T
A
= 70º Off state
C,
Output Unload
Min
-
-
-300
-2
-2
-2
150
1
1
2
20
-
-
-20
0.35
Typ
3
-
-
-5
-5
-3
-
3
3
-
30
-
-
-30
-
Max
20
700
-
-
-
-
-
-
-
-
100
10
-10
-100
0.45
Unit
A
A
A
mA
mA
mA
A
mA
mA
mA
A
A
A
A
V
AC Electrical Characteristics
PT8A992A (Unless otherwise noted, V
CC
= 4.0, T
A
= 0 ~ 70º
C)
Sym
f
OSC(Note)
t
FUN
f
OSC
Description
Oscillator Frequency
Period Function Code
Carrier Frequency
Test conditions
R
f
=180kΩ, T
A
= 25º
C
f
OSC
=128kHz, T
A
= 25º
C
f
OSC
=128kHz, T
A
= 25º
C
Min
109
1.7
-
Typ
128
2
64
Max
146
2.3
-
Unit
kHz
ms
kHz
PT8A993A (Unless otherwise noted, V
CC
= 4.0, T
A
= 0 ~ 70º
C)
Sym
f
OSC(Note)
Description
Oscillator Frequency
Test conditions
R
f
=180kΩ, T
A
= 25º
C
Min
109
1.7
Typ
128
2
Max
146
2.3
Unit
kHz
ms
t
FUN
Period Function Code
f
OSC
=128kHz, T
A
= 25º
C
Note: The frequency of standard samples is tested on standard testing-board.
12-07-0006
5
PT0096-1
07/06/2012
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
