參數(shù)資料
型號(hào): W78C31B
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT Microcontroller(8位的微控制器)
中文描述: 8-BIT, 40 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數(shù): 6/14頁
文件大?。?/td> 233K
代理商: W78C31B
W78C31B
- 6 -
During reset, the ports are initialized to FFH, the stack pointer to 07H, PCON (with the exception of
bit 4) to 00H, and all of the other SFR registers except SBUF to 00H. SBUF is not reset.
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
the device.
of
DC CHARACTERISTICS
V
CC
-V
SS
= 5V
ó
10%, T
A
= 25
°
C, F
OSC
= 20 MHz unless otherwise specified.
PARAMETER
SYMBOL
TEST CONDITIONS
SPECIFICATION
MIN.
TYP.
4.5
5
-
-
-
-
-
-
UNIT
MAX.
5.5
30
6
50
Operating Voltage
Operating Current
Idle Current
Power Down Current
V
DD
I
DD
I
IDLE
I
PWDN
V
No load V
DD
= 5.5V
Idle mode V
DD
= 5.5V
Power-down mode
V
DD
= 5.5V
V
DD
= 5.5V
V
IN
= 0V or V
DD
V
DD
= 5.5V
V
IN
= V
DD
V
DD
= 5.5V
0V < V
IN
< V
DD
V
DD
= 4.5V
I
OL1
= +2 mA
V
DD
= 4.5V
I
OL2
= +4 mA
V
DD
= 4.5V
I
OH1
= -100
μ
A
V
DD
= 4.5V
I
OH2
= -400
μ
A
mA
mA
μ
A
Input Current P1, P3
I
IN1
-75
-
+10
μ
A
Input Current RST
(*2)
I
IN2
-
+184
+350
μ
A
Input Leakage
Current P0
(*1)
Output Low Voltage
P1, P2
(*1)
, P3
Output Low Voltage ALE,
PSEN, PO
(*1)
Output High Voltage
P1, P3
Output High Voltage
ALE, PSEN, P0
(*1)
, P2
(*1)
I
LK
-10
-
+10
μ
A
V
OL1
-
-
0.45
V
V
OL2
-
-
0.45
V
V
OH1
2.4
-
-
V
V
OH2
2.4
-
-
V
相關(guān)PDF資料
PDF描述
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W78C32CP-24 8-BIT MICROCONTROLLER
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