ICM7226ALJL(2001) Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ICM7226ALJL Datasheet PDF : 19 Pages
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ICM7226A, ICM7226B
Electrical Specifications VDD = 5.0V, TA = 25oC, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
Multiplex Inputs: Pins 1, 4, 20, 21
Input Low Voltage, VIL
Input High Voltage, VIH
Input Resistance to VSS, RIN
VIN = +1.0V
Digit Driver: Pins 22-24, 26-30
Low Output Current, IOL
High Output Current, IOH
ICM7226B
VO = +1.0V
VO = VDD -2.0V
Segment Driver: Pins 22-24, 26-30
Leakage Current, IL
VO = VSS
High Output Current, IOH
VO = VDD -2.0V
Multiplex Inputs: Pins 1, 4, 20, 21
Input Low Voltage, VIL
Input High Voltage, VIH
Input Resistance to VSS, RIN
VIN = VDD -1.0V
Digit Driver: Pins 8-11, 13-16
Low Output Current, IOL
VO = +1.0V
High Output Current, IOH
VO = VDD -2.5V
NOTES:
1. Assumes all leads soldered or welded to PC board and free air flow.
2. Typical values are not tested.
MIN
-
2.0
50
-
150
-
10
-
VDD-0.8
100
50
-
TYP
-
-
100
-0.3
180
-
15
-
-
360
75
100
MAX UNITS
0.8
V
-
V
-
kΩ
-
mA
-
mA
10
µA
-
mA
VDD-2.0 V
-
V
-
kΩ
-
mA
-
µA
Timing Waveform
STORE
30ms TO 40ms
RESET
MEASUREMENT
IN PROGRESS
40ms
60ms
40ms
UPDATE
190ms TO 200ms
FUNCTION:
TIME INTERVAL
PRIMING
MEASUREMENT INTERVAL
UPDATE
INPUT A
PRIMING EDGES
INPUT B
NOTE:
1. If range is set to 1 event, first and last measured interval will coincide.
250ns MIN
MEASURED
INTERVAL
(FIRST)
MEASURED
INTERVAL
(LAST)
FIGURE 1. WAVEFORMS FOR TIME INTERVAL MEASUREMENT (OTHERS ARE SIMILAR, BUT WITHOUT PRIMING PHASE)
5
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