NTE1757
Integrated Circuit
Remote Control Receiver
Description:
The NTE1757 is an MOS/LSI integrated circuit in an 18鈥揕ead DIP tpye package designed for use
as a receiver of remote control signals generated by a transmitter circuit, using PPM (Pulse Position
Modulation) encoding technique. The receiver has 5 digital outputs whose response to PPM codes
may be programmed by six control lines. It has a handshake interface which provides communication
with microprocessors and computers.
Features;
D
5 Open Drain Outputs with Enable
D
Handshake or Interrupt Microprocessor and Computer Interface Signals
D
On鈥揅hip Oscillator
D
6 Control Lines to Program Output Response
D
3 Selectable Output Modes
Absolute Maximum Ratings:
V
DD
Supply and All Inputs wrt, V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 to 鈥?5V
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄C to +125擄C
Operating Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄C to +65擄C
Electrical Characteristics:
V
SS
= 0V, V
DD
= 鈥?6V, T
amb
= +25擄C
Parameter
Supply Voltage
Supply Current
Input Logic Level High (鈥?鈥?
Input Logic Level Low (鈥?鈥?
Output Logic Level High (鈥?鈥?
Output Logic Level Low (鈥?鈥?
Oscillator Frequency
PPM Input Logic Level High (鈥?鈥?
PPM Input Logic Level Low (鈥?鈥?
PPM Input Pulse Width
Power Clear Time Constant
Pin
9
9
3鈥?, 17
3鈥?, 17
10, 12鈥?6 50k to V
DD
10, 12鈥?6 50k to V
DD
1
2
2
2
11
T = 1/f
OSC
Typical T
C
: C = 22nF, R = 100k鈩?/div>
Test Conditions
Min
12
鈥?/div>
鈥?
V
DD
鈥?
V
DD
15
鈥?
V
DD
1
1
3k
鈥?/div>
鈥?/div>
鈥?/div>
400
鈥?/div>
Typ
鈥?/div>
6
鈥?/div>
Max
18
鈥?/div>
0
V
DD
+3.5
0
V
DD
+0.5
150k
0
鈥?
22T
OSC
鈥?/div>
Unit
V
mA
V
V
V
V
Hz
V
V
s
ms
Note 1. R
osc
(Pin 1) is 56k鈩? f
osc
'
1 / 0.15CR
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