W541E261 Datasheet, PDF (8/13 Pages) Winbond – 4BIT MICROCONTROLLER, 2K ×16 ROM, 128 ×4 RAM 128 -DOT LCD

W541E/C261 DATA SHEET
PAD DESCRIPTION, continued
SYMBOL
I/O
FUNCTION
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 W541E261.
MODE
Mode selection pin for the flash EEPROM programming, erasing and
I
verifying. This pin has a built-in pull-low resistor. Only for W541E261.
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 W541E261.
4. ABSOLUTE MAXIMUM RATINGS
PARAMETER
RATING
UNIT
Supply Voltage to Ground Potential
-0.3 to +7.0
V
Applied Input/Output Voltage
-0.3 to +7.0
V
Power Dissipation
120
mW
Ambient Operating Temperature
0 to +70
°C
Storage Temperature
-55 to +150
°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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