W78L812A(2006) Просмотр технического описания (PDF) - Winbond
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W78L812A Datasheet PDF : 31 Pages
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W78LE812/W78L812A
DC Characteristics, continued
PARAMETER
Output
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
P0, ALE, PSEN [*4]
Output Low Voltage
P3[*6]
Sink current
P1, P2, P3[5], P4<0:4>
Sink current
P0, ALE, PSEN , P4.6
Sink current P3.4 to P3.7
in High-Drive mode
Output High Voltage
P1, P2, P3, P4
Output High Voltage
P0, ALE, PSEN [*4]
Source current
P1, P2, P3, P4<0:4>
Source current
P0, ALE, PSEN , P4.6
SYM.
VOL1
VOL2
VOL3
ISK1
ISK2
ISK3
VOH1
VOH2
ISR1
ISR2
SPECIFICATION
MIN.
MAX.
UNIT
TEST CONDITIONS
-
-
-
-
-
4
1.8
10
4.5
12
2.4
1.4
2.4
1.4
-120
-20
-10
-1.9
0.45
0.25
0.45
0.25
0.22
12
5.4
18
9
24
-
-
-
-
-250
-40
-14
-3.3
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
V
VDD = 4.5V, IOL = +2 mA
mA VDD = 4.5V, VOL = 0.45V
mA VDD = 2.4V, VOL = 0.4V
mA VDD = 4.5V, VOL = 0.45V
mA VDD = 2.4V, VOL = 0.4V
mA VDD = 4.5V, VOL = 0.45V
V
VDD = 4.5V, VOH = -100 μA
V
VDD = 2.4V, VOH = -20 μA
V
VDD = 4.5V, IOH = -400 μA
V
VDD = 2.4V, IOH = -200 μA
μA VDD = 4.5V, VOH = 2.4V
μA VDD = 2.4V, VOH = 1.4V
mA VDD = 4.5V, VOH = 2.4V
mA VDD = 2.4V, VOH = 1.4V
Notes:
*1. RST pin has an internal pull-down.
*2. Pins of P1 and P3 can source a transition current when they are being externally driven from 1 to 0.
*3. RST is a Schmitt trigger input and XTAL1 is a CMOS input.
*4. P0, P2, ALE and PSEN are tested in the external access mode.
*5. P3.4 to P3.7 are in normal mode.
*6. P3 (P3.4 − P3.7) is used LED driver port by set SFR.
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