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5.0
ELECTRICAL SPECIFICATIONS
5.1
Absolute Maximum Ratings
Power Supply Voltage (V
Serial Input Voltage:
5.2
Normal Operating Ratings
Power Supply Voltage (V
Supply Current (V
Backlight Current (+5 V
5.2.1 Power–up Supply Requirements
Initialization may or may not be performed completely unless the rise time (t
at turn–on (1ms < t
RCC
stipulates the minimum time that power can be OFF (t
supply cycles ON and OFF.
V
5.2.2 External Reset Requirements
To utilize the optional external reset, the RESET pin must be held at ground (<0.5 Volts) for at least 10
milliseconds after the power supply is within the voltage tolerance. Figure 12 shows the module Reset circuit.
J2–Pin 3
Industrial Electronic Engineers, Inc.
Van Nuys, California
):
–0.3 to +6.5 V
CC
–25.0 to +25.0 V
)
+5.0 Volts ±10%
CC
= 5 V
)
34 mA Max
CC
DC
)
900 mA
DC
< 10ms). Figure 11 represents the requirements of the power supply. Note that t
4.5V
CC
0.2V
t
RCC
Figure 11
1k
3.3k
Figure 12
DC
DC
> 1ms) during a momentary dip or when the power
OFF
Power Supply Requirements
+5V
330
External Reset Circuit
SIZE
CODE IDENT NO.
A
05464
SCALE
N/A
REV
) of the power supply is correct
RCC
t
OFF
1uF
Internal
Pull–down
Microprocessor
S03875–06–0214
A
SHEET 19
OFF
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