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LM628 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM628
Description  Precision Motion Controller
Download  24 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM628 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Voltage at Any Pin with
Respect to GND
−0.3V to +7.0V
Ambient Storage Temperature
−65˚C to +150˚C
Lead Temperature
28-pin Dual In-Line
Package (Soldering, 4 sec.)
260˚C
24-pin Surface Mount
Package (Soldering, 10 sec.)
300˚C
Maximum Power Dissipation
(T
A ≤ 85˚C, (Note 2)
605 mW
ESD Tolerance
(C
ZAP = 120 pF, RZAP = 1.5k)
2000V
Operating Ratings
Temperature Range
−40˚C < T
A < +85˚C
Clock Frequency:
LM628N-6, LM629N-6,
LM629M-6
1.0 MHz < f
CLK < 6.0 MHz
LM628N-8, LM629N-8,
LM629M-8
1.0 MHz < f
CLK < 8.0 MHz
V
DD Range
4.5V < V
DD < 5.5V
DC Electrical Characteristics
(V
DD and TA per Operating Ratings; fCLK = 6 MHz)
Symbol
Parameter
Conditions
Tested Limits
Units
Min
Max
I
DD
Supply Current
Outputs Open
110
mA
INPUT VOLTAGES
V
IH
Logic 1 Input Voltage
2.0
V
V
IL
Logic 0 Input Voltage
0.8
V
I
IN
Input Currents
0
≤ V
IN ≤ VDD
−10
10
µA
OUTPUT VOLTAGES
V
OH
Logic 1
I
OH = −1.6 mA
2.4
V
V
OL
Logic 0
I
OL = 1.6 mA
0.4
V
I
OUT
TRI-STATE® Output Leakage Current
0
≤ V
OUT ≤ VDD
−10
10
µA
AC Electrical Characteristics
(V
DD and TA per Operating Ratings; fCLK = 6 MHz; CLOAD = 50 pF; Input Test Signal tr = tf = 10 ns)
Timing Interval
T#
Tested Limits
Units
Min
Max
ENCODER AND INDEX TIMING (See
Figure 2)
Motor-Phase Pulse Width
T1
µs
Dwell-Time per State
T2
µs
Index Pulse Setup and Hold
T3
0
µs
(Relative to A and B Low)
CLOCK AND RESET TIMING (See
Figure 3)
Clock Pulse Width
LM628N-6, LM629N-6, LM629M-6
T4
78
ns
LM628N-8, LM629N-8, LM629M-8
T4
57
ns
Clock Period
LM628N-6, LM629N-6, LM629M-6
T5
166
ns
LM628N-8, LM629N-8, LM629M-8
T5
125
ns
Reset Pulse Width
T6
µs
www.national.com
3


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