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W78LE51C Datasheet, PDF (13/23 Pages) Winbond – 8-BIT MICROCONTROLLER
W78LE51C/W78L051C
DC Characteristics, continued
PARAMETER
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
Output High Voltage
P1, P2, P3, P4
Output High Voltage
P0, ALE, PSEN [*2]
Source Current
P1, P2, P3, P4
Source Current
P0, ALE, PSEN
SYM.
VOL1
VOL2
ISK1
ISK2
VOH1
VOH2
ISR1
ISR2
SPECIFICATION
MIN.
MAX.
-
0.45
-
0.25
-
0.45
-
0.25
4
12
1.8
5.4
8
16
4.5
9
2.4
-
1.4
-
2.4
-
1.4
-
-100
-250
-20
-50
-8
-14
-1.9
-3.8
UNIT
TEST CONDITIONS
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 = 0.45V
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
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.
- 13 -
Publication Release Date: December 4, 2006
Revision A3