MC1151A Ver la hoja de datos (PDF) - PMD
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MC1151A Datasheet PDF : 51 Pages
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Absolute Maximum Ratings
Unless otherwise stated, all electrical specifications are for both
the I/O and CP chips.
Storage Temperature, Ts .................... -55 deg. C to +150 deg. C
Supply Voltage, Vcc ............................ -0.3 V to +7.0 V
Power Dissipation, Pd ......................... 650 mW (I/O and CP
combined)
Operating Ratings
Operating Temperature, Ta .................0 deg. C to +70 deg. C*
Nominal Clock Frequency, Fclk ...........25.0 Mhz
Supply Voltage, Vcc.............................4.75 V to 5.25 V
* Industrial and Military operating ranges also available. Contact your
PMD representative for more information.
DC Electrical Characteristics
(Vcc and Ta per operating ratings, Fclk = 25.0 Mhz)
Symbol
Vcc
Idd
Input Voltages
Vih
Vil
Vihclk
Vihreset
Output Voltages
Voh
Parameter
Supply Voltage
Supply Current
Logic 1 input voltage
Logic 0 input voltage
Logic 1 voltage for clock pin
(ClkIn)
Logic 1 voltage for reset pin
(reset)
Logic 1 Output Voltage
Vol
Logic 0 Output Voltage
Iout
Tri-State output leakage current
Iin
Input current
Iinclk
Input current ClkIn
AC Electrical Characteristics
(see reference timing diagrams)
(Vcc and Ta per operating ratings; Fclk = 25.0 Mhz)
(~ character indicates active low signal)
Timing Interval
T#
Encoder and Index Pulse Timing
Motor-Phase Pulse Width
T1
Dwell Time Per State
T2
Index Pulse Setup and Hold
T3
(relative to Quad A and Quad B low)
Reset Timing
Stable Power to Reset
Reset Low Pulse Width
Clock Timing
Clock Frequency (Fclk)
Clock Pulse Width
T4
Clock Period
T5
Min.
Max.
Units
4.75
5.25
V
100
mA
2.0
Vcc + 0.3
V
-0.3
0.8
V
3.0
Vcc+0.3
V
4.0
Vcc+0.3
V
2.4
V
0.33
V
-20
20
uA
-50
50
uA
-20
20
uA
Min.
Max.
1.6
0.8
0
0.25
1.0
6.7
25.6
19.5
75 (note 2)
39
149 (note 2)
Conditions
open outputs
@CP Io = 300 uA
@I/O Io = 4 mA
@CP Io = 2 mA
@I/O Io = 4 mA
0 < Vout < Vcc
0 < Vi < Vcc
0 < Vi < Vcc
Units
uS
uS
uS
Sec
uS
Mhz
nS
nS
5
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