MC2502 View Datasheet(PDF) - PMD
Part Name
Description
MFG CO.
'MC2502' PDF : 51 Pages View PDF
3 Electrical Characteristics
3.1 DC characteristics
(Vcc and Ta per operating ratings, Fclk = 40.0 MHz)
Symbol
Vcc
Idd
Parameter
Supply Voltage
Supply Current
Minimum
4.75 V
Maximum
5.25 V
120 mA
Conditions
open outputs
Vih
Vil
Vihreset
Input Voltages
Logic 1 input voltage
2.0 V
Logic 0 input voltage
-0.3 V
Logic 1 voltage for reset pin (reset) 2.2 V
Vcc + 0.3 V
0.8 V
Vcc + 0.3 V
Output Voltages
Voh
Logic 1 Output Voltage
Vol
Logic 0 Output Voltage
2.4 V
@CP Io = -23 mA
@I/O Io = -6 mA
0.33 V
@CP Io = 6 mA
@I/O Io = 6 mA
Other
Iout
Tri-State output leakage current -5 µA
5 µA
@CP
0 < Vout < Vcc
Iin
Input current
-10 µA 10 µA
@CP
-10 µA -10 µA
@I/O
0 < Vi < Vcc
Cio
Input/Output capacitance
15 pF
@CP typical
10 pF
@I/O
Analog Input
Zai
Analog input source impedance
9kΩ
Ednl
Differential nonlinearity error.
-1
Difference between the step width
and the ideal value.
1.5 LSB
Einl
Integral nonlinearity error.
Maximum deviation from the best
straight line through the ADC
transfer characteristics, excluding
the quantization error.
+/-1.5 LSB
3.2 AC characteristics
See timing diagrams, section 4, for Tn numbers. The symbol “~” indicates active low signal.
Timing Interval
Tn
Minimum
Maximum
Clock Frequency (Fclk)
Clock Pulse Width
> 0 MHz
40 MHz (note 1)
T1
10 nsec
Clock Period (note 3)
T2
25 nsec
Encoder Pulse Width
T3
150 nsec
Dwell Time Per State
T4
75 nsec
MC2502 Technical Specifications
16
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