NTE7082 데이터 시트보기 (PDF) - NTE Electronics
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NTE7082 Datasheet PDF : 3 Pages
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DC Electrical Characteristics (Cont’d): (VCC = 9.5V to 18V, VEE = 0V, TA = –20° to +70°C
unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Count, Mode, and Reset Inputs (Pin15, Pin3, and Pin2)
HIGH Input Voltage
VIH
LOW Input Voltage
VIL
HIGH Input Current
IIH
LOW Input Current
IIL
External Resistor (Pin4)
7.5 – – V
– – 4.5 V
– 1 – µA
– 30 – µA
Voltage at External Resistor
VRX VCC = 12V ±15%, R4 = 130Ω ±5% 3.0 – 4.5 V
Output 1, Output 2, Output 3, and Output 4 (Pin6, Pin8, Pin9, and Pin11)
LOW Output Voltage
LOW Output Current
HIGH Output Current
VOL IOL = 350mA
IOL = 500mA
IOL
IOH VO = 18V
– 500 1000 mV
– 700 – mV
– – 500 mA
– – 50 µA
Mode Input Table:
With the Mode Input (Pin3) the sequence of output signals, and hence the direction of rotation of the
stepping motor, can be chosen as shown below:
Counting
Sequence
0
1
2
3
0
Mode = LOW
Mode = HIGH
Output 1 Output 2 Output 3 Output 4 Output 1 Output 2 Output 3 Output 4
L
H
L
H
L
H
L
H
H
L
L
H
L
H
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
H
L
H
L
H
L
H
L
H
Pin Connection Diagram
N.C. 1
Reset Input 2
Mode Input 3
External Resistor 4
GND 5
Output 1 6
N.C. 7
Output 2 8
16 N.C.
15 Count Input
14 +VCC1
13 +VCC2
12 GND
11 Output 4
10 N.C.
9 Output 3
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