參數(shù)資料
型號: PT8A9963
英文描述: 600V Discrete IGBT in a TO-220AB package
中文描述: 數(shù)字比例遙控器?
文件頁數(shù): 1/12頁
文件大小: 69K
代理商: PT8A9963
Data Sheet
PT8A9701P/974P/974LP
8-Function Remote Controller
PT0090(05/02)
Ver:1
1
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Features
The PT8A9701P works as the encoder and the
PT8A974P/974LP works as the decoder
Nine output pins, 5 for forward, backward, left,
right and turbo functions, and 3 functional keys
Operation power supply for PT8A9701: 3V to 12V
Auto power-off if no key pressed (PT8A9701P)
Motor current limit to meet toy safety standard
HD271 (PT8A974P/974LP)
Low operating current
On-chip oscillator with an external resistor
On-chip reversing amplifiers
Built-in 3.7V Zener (Vz) (PT8A974P) and 3.1V
Zener (Vz) (PT8A974LP)
Few external components needed
General Description
The PT8A9701P and PT8A974P/974LP is a pair of
CMOS LSIs designed for remote controlled toy car
application. They have eight control keys for
controlling the corresponding motion, i.e., forward,
backward, left, right, turbo and 3 functional keys, of
the remote controlled car. They also have ‘Forward
(Backward)’ and ‘Turbo’ combination application.
Oscillator
Timing
Generator
MUX
Counters
OSCI
OSCO
f
0
/2
SC
SO
PC
Forward
Backward
Left
Right
Turbo
F1
F2
F3/F4
Latch
Circuit
Logic
Control
V
CC
Block Diagram
Figure 1. Block Diagram of PT8A9701P
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e
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c
D
a
N
m
d
o
c
n
E
r
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o
c
D
r
d
.
N
t
P
P
1
0
7
9
A
8
T
P
P
4
7
9
A
8
T
P
P
L
4
7
9
A
8
T
P
e
g
a
k
c
a
P
P
I
D
P
n
1
P
I
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n
2
Ordering Information
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