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參數(shù)資料
| 型號(hào)： | W78C33 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 8-BIT Microcontroller(8位的微控制器) |
| 中文描述： | 8位微控制器（8位的微控制器） |
| 文件頁(yè)數(shù)： | 11/18頁(yè) |
| 文件大?。?/td> | 217K |
| 代理商： | W78C33 |
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W78C33
Publication Release Date: October 1997
- 11 -
Revision A1
PARAMETER
Operating Speed
Clock Period
Clock High
Clock Low
SYMBOL
F
OP
T
CP
T
CH
T
CL
MIN.
0
25
10
10
TYP.
-
-
-
-
MAX.
40
-
-
-
UNIT
MHz
nS
nS
nS
NOTES
1
2
3
3
Notes:
1. The clock may be stopped indefinitely in either state.
2. The T
CP
specification is used as a reference in other specifications.
3. There are no duty cycle requirements on the XTAL1 input.
Program Fetch Cycle
PARAMETER
SYMBOL
T
AAS
T
AAH
T
APL
MIN.
1 T
CP
-
1 T
CP
-
1 T
CP
-
-
TYP.
-
-
1Tcp
MAX.
-
-
UNIT
nS
nS
nS
NOTES
4
1, 4
4
Address Valid to ALE Low
Address Hold after ALE Low
ALE Low to PSEN Low
1Tcp+
2 T
CP
PSEN Low to Data Valid
T
PDA
-
nS
2
Data Hold after PSEN High
T
PDH
0
-
1 T
CP
nS
3
Data Float after PSEN High
ALE Pulse Width
T
PDZ
0
-
1 T
CP
nS
T
ALW
T
PSW
2 T
CP
-
3 T
CP
-
2 T
CP
3 T
CP
-
-
nS
nS
4
4
PSEN
Pulse Width
Notes:
1. P0.0
P0.7, P2.0
P2.7 remain stable throughout entire memory cycle.
2. Memory access time is 3 T
CP
.
3. Data have been latched internally prior to PSEN going high.
4. "
" ( due to buffer driving delay and wire loading) is 20 nS.
Data Read Cycle
PARAMETER
SYMBOL
T
DAR
MIN.
3 T
CP
-
-
TYP.
-
MAX.
3 T
CP+
4 T
CP
UNIT
nS
NOTES
1, 2
ALE Low to RD Low
RD Low to Data Valid
T
DDA
-
nS
1
Data Hold after RD High
T
DDH
0
-
2 T
CP
nS
Data Float after RD High
T
DDZ
0
-
2 T
CP
nS
RD Pulse Width
T
DRD
6 T
CP
-
6 T
CP
-
nS
2
Notes:
1. Data memory access time is 8 T
CP
.
2. "
" (due to buffer driving delay and wire loading) is 20 nS.
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| W78C354 | MONITOR MICROCONTROLLER |
| W78CE354 | MONITOR MICROCONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W78C33B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33B-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33B-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33BF-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33BF-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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