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參數資料
型號： W78LE812F-24
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT MTP MICROCONTROLLER
中文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數： 16/25頁
文件大小： 338K
代理商： W78LE812F-24
W78LE812
- 16 -
DC Characteristics, continued
SYMBOL
PARAMETER
SPECIFICATION
MIN.
MAX.
0
0
3.5
V
DD
+0.2
1.6
V
DD
+0.2
TEST CONDITIONS
UNIT
V
IL3
Input Low Voltage
XTAL1
[*3]
Input High Voltage
0.8
0.6
V
DD
= 5.5V
V
DD
= 2.4V
V
DD
= 5.5V
V
DD
= 2.4V
V
V
V
V
IH1
P1, P2, P3, P4,
EA
Input High Voltage
RST
Input High Voltage
XTAL1
[*4]
V
IH2
3.5
1.7
3.5
1.6
V
DD
+0.2
V
DD
+0.2
V
DD
+0.2
V
DD
+0.2
V
V
V
V
V
DD
= 5.5V
V
DD
= 2.4V
V
DD
= 5.5V
V
DD
= 2.4V
V
IH3
Output
V
OL1
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
-
-
-
-
0.45
0.25
0.45
0.25
V
V
V
V
V
DD
= 4.5V, I
OL
= +2 mA
V
DD
= 2.4V, I
OL
= +1 mA
V
DD
= 4.5V, I
OL
= +4 mA
V
DD
= 2.4V, I
OL
= +2 mA
V
OL2
V
OL3
I
SK1
-
4
0.22
12
5.4
18
9
V
V
DD
= 4.5V, I
OL
= +2 mA
V
DD
= 4.5V, V
OL
= 0.45V
V
DD
= 2.4V, V
OL
= 0.4V
V
DD
= 4.5V, V
OL
= 0.45V
V
DD
= 2.4V, V
OL
= 0.4V
mA
mA
mA
mA
1.8
10
4.5
I
SK2
P0, ALE, PSEN, P4<5:6>
Sink current P3.4 to P3.7
in High-Drive mode
Output High Voltage
P1, P2, P3, P4
Output High Voltage
I
SK3
12
24
mA
V
DD
= 4.5V, V
OL
= 0.45V
V
OH1
2.4
1.4
2.4
1.4
-
-
-
-
V
V
V
V
V
DD
= 4.5V, V
OH
= -100
μ
A
V
DD
= 2.4V, V
OH
= -20
μ
A
V
DD
= 4.5V, I
OH
= -400
μ
A
V
DD
= 2.4V, I
OH
= -200
μ
A
V
OH2
P0, ALE, PSEN
[*4]
Source current
P1, P2, P3, P4<0:4>
Source current
I
SR1
-120
-20
-10
-1.9
-250
-40
-14
-3.3
μ
A
μ
A
mA
mA
V
DD
= 4.5V, V
OH
= 2.4V
V
DD
= 2.4V, V
OH
= 1.4V
V
DD
= 4.5V, V
OH
= 2.4V
V
DD
= 2.4V, V
OH
= 1.4V
I
SR2
P0, ALE, PSEN, P4<5:6>
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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