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W78E54B Datasheet, PDF (12/21 Pages) Winbond – 8-BIT MICROCONTROLLER
W78E54B
A0 to A7
V IL
V IL
V IL
V IL
V IL
V IH
P1
P3.0
P3.1
P3.2
P3.3
P3.6
P3.7
X'tal1
X'tal2
Vss
+5V
V DD
P0
EA/Vpp
ALE
RST
PSEN
P2
PGM DATA
V CP
V IL
V IH
V IH
A8 to A15
Programming Configuration
A0 to A7
V IL
V IL
V IL
V IL
V IH
V IL
P1
P3.0
P3.1
P3.2
P3.3
P3.6
P3.7
X'tal1
X'tal2
Vss
+5V
V DD
P0
EA/Vpp
ALE
RST
PSEN
P2
PGM DATA
V CP
V IL
V IH
V IH
A8 to A15
Programming Verification
ABSOLUTE MAXIMUM RATINGS
PARAMETER
DC Power Supply
Input Voltage
Operating Temperature
Storage Temperature
SYMBOL
VDD−VSS
VIN
TA
TST
MIN.
-0.3
VSS -0.3
0
-55
MAX.
+7.0
VDD +0.3
70
+150
UNIT
V
V
°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
VCC−VSS = 5V ±10%, TA = 25° C, unless otherwise specified.
PARAMETER
SYMBOL TEST CONDITIONS
Operating Voltage
Operating Current
Idle Current
Power Down Current
Input Current
P1, P2, P3, P4
Logical 1-to-0 Transition
Current P1, P2, P3 (*1), P4
Input Current
RST (*2)
VDD
IDD
IIDLE
IPWDN
IIN1
ITL
IIN2
-
No load, VDD = 5.5V,
RST = 1
Idle mode VDD = 5.5V
Power-down mode
VDD = 5.5V
VDD = 5.5V
VIN = 0V or VDD
VDD = 5.5V
VIN = 2.0V (*1)
VDD = 5.5V
VIN = VDD
SPECIFICATION
MIN.
MAX.
4.5
5.5
-
20
-
6
-
50
-50
+10
-550
-
-10
+300
UNIT
V
mA
mA
µA
µA
µA
µA
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