W541E Datasheet, PDF (8/13 Pages) Winbond – 4BIT MICROCONTROLLER, 4K ×16 ROM, 256 ×4 RAM 128 -DOT LCD

W541E/C480 DATA SHEET
PAD DESCRIPTION, continued
SYMBOL
I/O
FUNCTION
VDD1, VDD2,
VDD3
I
Positive (+) supply voltage terminal.
Refer to Functional Description.
VDD
I
Positive power supply (+).
VSS
I
Negative power supply (-).
Voltage control pin for the flash EEPROM programming, erasing and
VPP
I
verifying. This pin has a built-in pull-low resistor. Only for W541E480.
MODE
Mode selection pin for the flash EEPROM programming, erasing and
I
verifying. This pin has a built-in pull-low resistor. Only for W541E480.
DATA
Data I/O pin for the flash EEPROM programming and verifying. This pin
I/O
has a built-in pull-low resistor. Only for W541E480.
4. ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage to Ground Potential
Applied Input/Output Voltage
Power Dissipation
Ambient Operating Temperature
Storage Temperature
RATING
-0.3 to +7.0
-0.3 to +7.0
120
0 to +70
-55 to +150
UNIT
V
V
mW
°C
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
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