ICM7226B Ver la hoja de datos (PDF) - Harris Semiconductor
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ICM7226B Datasheet PDF : 18 Pages
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Specifications ICM7226A, ICM7226B
Absolute Maximum Ratings
Thermal Information
Maximum Supply Voltage (VDD - VSS) . . . . . . . . . . . . . . . . . . . . 6.5V
Maximum Digit Output Current . . . . . . . . . . . . . . . . . . . . . . . . 400mA
Maximum Segment Output Current . . . . . . . . . . . . . . . . . . . . . 60mA
Voltage On Any Input or
Output Terminal (Note 1) . . . . . . . . . . . . (VDD +0.3V) to (VSS -0.3V)
Storage Temperature Range . . . . . . . . . . . . . . . . . -55oC to +150oC
Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . . +300oC
Thermal Resistance
Ceramic DIP Package . . . . . . . . . . . . . . .
Plastic DIP Package . . . . . . . . . . . . . . . .
θJA
45oC/W
50oC/W
θJC
15oC/W
-
Junction Temperature
Ceramic DIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150oC
Operating Temperature Range . . . . . . . . . . . . . . . . . -25oC to +85oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Electrical Specifications VDD = 5.0V, TA = +25oC, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
Operating Supply Current, IDD
Supply Voltage Range (VDD -VSS), VSUPPLY
Maximum Frequency INPUT A, Pin 40, fA(MAX)
Display Off, Unused Inputs to VSS
-25oC < TA < +85oC, INPUT A,
INPUT B Frequency at fMAX
-25oC < TA < +85oC
4.75V < VDD < 6.0V, Figure 9
Function = Frequency, Ratio,
Unit Counter
Function = Period, Time Interval
Maximum Frequency INPUT B, Pin 2, fB(MAX)
Minimum Separation INPUT A to INPUT B,
Time Interval Function
Oscillator Frequency and External Oscillator Frequency,
fOSC
Oscillator Transconductance, gM
-25oC < TA < +85oC
4.75V < VDD < 6.0V, Figure 10
-25oC < TA < +85oC
4.75V < VDD < 6.0V, Figure 1
-25oC < TA < +85oC
4.75V < VDD < 6.0V
VDD -4.75V, TA = +85oC
Multiplex Frequency, fMUX
fOSC = 10MHz
Time Between Measurements
fOSC = 10MHz
Input Rate of Charge, dVIN/dt
Inputs A, B
Input Voltages: Pins 2, 19, 33, 39, 40, 35
Input Low Voltage, VIL
-25oC < TA < +85oC
Input High Voltage, VlH
Pins 2, 39, 40, Input Leakage, A, B, IILK
Input Resistance to VDD Pins 19, 33, RIN
VIN = VDD -1.0V
Input Resistance to VSS Pin 31, RIN
VIN = +1.0V
Output Current
Low Output Current, Pins 3, 5-7, 17, 18, 32, 38, IOL
High Output Current, Pins 5-7, 17, 18, 32, HOL
High Output Current, Pins 3, 38, HOL
ICM7226A
VOL = +0.4V
VOH = +2.4V
VOH = VDD -0.8V
Segment Driver: Pins 8-11, 13-16
Low Output Current, IOL
High Output Current, IOH
Multiplex Inputs: Pins 1, 4, 20, 21
VO = +1.5V
VO = VDD -1.0V
Input Low Voltage, VIL
Input High Voltage, VIH
Input Resistance to VSS, RIN
VIN = +1.0V
MIN
TYP MAX UNITS
-
2
5
mA
4.75
-
6.0
V
10
14
-
MHz
2.5
-
2.5
-
250
-
0.1
-
2000
-
-
500
-
200
-
15
-
MHz
-
MHz
-
ns
10
MHz
-
µS
-
Hz
-
ms
-
mV/µs
-
-
1.0
V
3.5
-
-
V
-
-
20
µA
100
400
-
kΩ
50
100
-
kΩ
400
-
100
-
265
-
-
µA
-
µA
-
µA
25
35
-
mA
-
100
-
µA
-
-
0.8
V
2.0
-
-
V
50
100
-
kΩ
13-67
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