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W78LE54_06 Datasheet, PDF (15/26 Pages) Winbond – 8-BIT MICROCONTROLLER
W78LE54/W78L054A
DC Characteristics, continued
PARAMETER
Input High Voltage
P0, P1, P2, P3, P4, EA
Input High Voltage
RST[*1]
Input High Voltage
XTAL1 [*3]
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
P0, ALE, PSEN [*2]
Sink Current
P1, P2, P3, P4
Sink Current
P0, ALE, PSEN
SYM.
VIH1
VIH2
VIH3
VOL1
VOL2
ISK1
ISK2
SPECIFICATION
MIN.
2.4
MAX.
VDD +0.2
1.4 VDD +0.2
3.5 VDD +0.2
1.7 VDD +0.2
3.5 VDD +0.2
1.6 VDD +0.2
-
0.45
-
0.25
-
0.45
-
0.25
4
12
1.8
5.4
8
16
4.5
9
UNIT
TEST CONDITIONS
V VDD = 5.5V
V VDD = 2.4V
V VDD = 5.5V
V VDD = 2.4V
V VDD = 5.5V
V VDD = 2.4V
V VDD = 4.5V, IOL = +2 mA
V VDD = 2.4V, IOL = +1 mA
V VDD = 4.5V, IOL = +4 mA
V VDD = 2.4V, IOL = +2 mA
mA VDD = 4.5V, Vin = 0.45V
mA VDD = 2.4V, Vin = 0.45V
mA VDD = 4.5V, Vin = 0.45V
mA VDD = 2.4V, Vin = 0.4V
Output High Voltage
2.4
-
VOH1
P1, P2, P3, P4
1.4
-
Output High Voltage
2.4
-
VOH2
P0, ALE, PSEN [*2]
1.4
-
V VDD = 4.5V, IOH = -100 μA
V VDD = 2.4V, IOH = -8 μA
V VDD = 4.5V, IOH = -400 μA
V VDD = 2.4V, IOH = -200 μA
Source Current
P1, P2, P3, P4
Source Current
P0, ALE, PSEN
-100
ISR1
-20
-8
ISR2
-1.9
-250
-50
-14
-3.8
μA VDD = 4.5V, Vin = 2.4V
μA VDD = 2.4V, Vin = 1.4V
mA VDD = 4.5V, Vin = 2.4V
mA VDD = 2.4V, Vin = 1.4V
Notes:
*1. RST pin is a Schmitt trigger input.
*2. P0, ALE and PSEN are tested in the external access mode.
*3. XTAL1 is a CMOS input.
*4. Pins of P1, P2, P3, P4 can source a transition current when they are being externally driven from 1 to 0.
- 15 -
Publication Release Date: December 4, 2006
Revision A6