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LS8397 Folha de dados(PDF) 3 Page - LSI Computer Systems

Nome de Peças LS8397
Descrição Electrónicos  STEPPER MOTOR CONTROLLER
Download  8 Pages
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Fabricante Electrônico  LSI [LSI Computer Systems]
Página de início  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS8397 Folha de dados(HTML) 3 Page - LSI Computer Systems

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
10
V
Vi
Input Signals
7
V
TSTG, TJ
Storage and Junction Temperatures
-40 to +150
°C
ELECTRICAL CHARACTERISTICS: (Refer to Block Diagram, Figure 2, and Timing Diagram, Figure 3)
TA = +25°C, VDD
= +5V unless otherwise specified.
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Condition
(
Pin 15)
Supply Voltage
VDD
4.75
-
7
V
-
Quiescent Supply Current
IDD
-
300
400
uA
Outputs floating
(
Pins 13, 14, 21, 22, 23 and 24)
Input Voltage Low
VIL
-
-
0.75
V
-
Input Voltage High
VIH
2
-
-
V
-
(
Pins 14, 21, 22, 23, 29)
Input Current
IIH, IIL
-
-
50
nA
VI = VIL or VIH
Input Current (
Pin 13)
IIL
-
-
50
nA
VI = 0
IIH
-
-
50
nA
VI = VDD
(
Pin 10)
Enable Input Voltage Low
VENL
-
-
1.3
V
-
Enable Input Voltage High VENH
2
-
-
V
-
Enable Input Current
IEN
-
-
50
nA
VEN = VENL
Enable Input Current
IEN
-
-
50
nA
VEN = VENH
(
Pins 4, 6, 7, 9)
Phase Output Voltage Low VOL
-
-
0.5
V
IO = -10mA
Phase Output Voltage High VOH
4.0
-
-
V
IO = 5mA
(
Pins 5, 8)
Inhibit Output Voltage Low VInhL
-
-
0.5
V
IO = -10mA
Inhibit Output Voltage High VInhH
4.0
-
-
V
IO = 5mA
Leakage Current (
Pin 3)
ILeak
-
-
1
uA
VCE = 7V
Saturation Voltage (
Pin 3) VSat
-
-
0.4
V
I = 5mA
(
Pins 13, 14, 15)
Comparators Offset Voltage VOff
-
5
-
mV
VREF = 1V
Comparator Bias Current
IO
100
-
10
uA
-
(
Pins 18, 19)
Input Reference Voltages
VREFs, VREFh 0
-
3
V
-
Input Currents
IREFs, IREFh
-
-
8
uA
VREFs, VREFh = 3V
(
Pin 11)
RC Input Low
VRCL
0
-
2.5
V
-
RC Input High
VRCH
3.5
-
-
V
-
External resistor at RC
R
10
-
No Limit
kΩ
-
Step Pulse Width
tstp
0.5
-
-
us
-
Set up time
tS
1
-
-
us
-
Hold time
tH
4
-
-
us
-
Reset time
tR
1
-
-
us
-
Reset to Step delay
tRStp
1
-
-
us
-
(
Pin 20)
Oscillator:
Sawtooth Low
VSOL
-
2.1
-
V
-
Sawtooth High
VSOH
-
3.65
-
V
-
8397-040709-3


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