參數(shù)資料
型號: W78C54M-24
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP44
封裝: TQFP-44
文件頁數(shù): 12/22頁
文件大小: 304K
代理商: W78C54M-24
W78C54
- 12 -
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
V
CC
V
SS
V
IN
T
A
T
ST
MIN.
-0.3
V
SS
-0.3
0
-55
MAX.
+7.0
V
CC
+0.3
70
+150
UNIT
V
V
°
C
°
C
DC Power Supply
Input Voltage
Operating Temperature
Storage Temperature
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
DC CHARACTERISTICS
(V
DD
V
SS
= 5V
±
10%, T
A
= 25
°
C, Fosc = 20 MHz, unless otherwise specified.)
PARAMETER
SYM.
SPECIFICATION
UNIT
TEST CONDITIONS
MIN.
MAX.
Operating Voltage
V
DD
4.5
5.5
V
Operating Current
I
DD
-
20
mA
No load
V
DD
= 5.5V
Idle Current
I
IDLE
-
6
mA
Idle mode
V
DD
= 5.5V
Power Down Current
I
PWDN
-
50
μ
A
Power-down mode
V
DD
= 5.5V
Input Current
P1, P2, P3, P4
I
IN1
-50
+10
μ
A
V
DD
= 5.5V
V
IN
= 0V or V
DD
Input Current
RST
I
IN2
-10
+300
μ
A
V
DD
= 5.5V
0 < V
IN
< V
DD
Input Leakage Current
P0, EA
I
LK
-10
+10
μ
A
V
DD
= 5.5V
0V < V
IN
< V
DD
Logic 1 to 0 Transition
Current
P1, P2, P3, P4
I
TL
[*4]
-500
-200
μ
A
V
DD
= 5.5V
V
IN
= 2.0V
Input Low Voltage
P0, P1, P2, P3, P4, EA
V
IL1
0
0.8
V
V
DD
= 4.5V
Input Low Voltage
RST
V
IL2
0
0.8
V
V
DD
= 4.5V
Input Low Voltage
XTAL1[*4]
V
IL3
0
0.8
V
V
DD
= 4.5V
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