W541E260 Datasheet, PDF (6/11 Pages) Winbond – 4-BIT FLASH EPROM MICROCONTROLLER

W541E260
Pin description, continued
SYMBOL
I/O
VDD
I
VSS
I
VPP
I
MODE
I
DATA
I/O
FUNCTION
Positive power supply (+).
Negative power supply (-).
Voltage control pin for the flash EEPROM programming, erasing and
verifying. This pin has a built-in pull-low resistor.
Mode selection pin for the flash EEPROM programming, erasing and
verifying. This pin has a built-in pull-low resistor.
Data I/O pin for the flash EEPROM programming and verifying. This pin
has a built-in pull-low resistor.
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.
DC CHARACTERISTICS
(VDD-VSS = 3.0V, Fm = 4. MHz, Fs = 32.768 KHz, Ta = 25° C, LCD on; unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
MIN. TYP.
Op. Voltage
VDD
-
2.4
-
Op. Current (Crystal type) IOP1
No load (Ext-V)
In dual-clock normal
operation
-
0.6
Op. Current (RC type)
IOP2 No load (Ext-V)
In dual-clock normal
operation
-
1
Op. Current (Crystal type) IOP3 No load (Ext-V)
-
8.5
In dual-clock slow operation
and Fm is stopped
Hold Current (Crystal
type)
IHM1 Hold mode No load (Ext-V)
-
280
In dual-clock normal
operation
MAX.
5.5
2.5
4
20
450
UNIT
V
mA
mA
µA
µA
-6-