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參數(shù)資料
| 型號： | W78C33B |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 134K |
| 代理商： | W78C33B |
Preliminary W78C33B
Publication Release Date: June 1998
- 9 -
Revision A1
Continued
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
T
PDA
T
PDH
T
PDZ
T
ALW
T
PSW
MIN.
1 T
CP
-
1 T
CP
-
1 T
CP
-
-
0
0
2 T
CP
-
3 T
CP
-
TYP.
-
-
1Tcp
-
-
-
2 T
CP
3 T
CP
MAX.
-
-
1Tcp+
2 T
CP
1 T
CP
1 T
CP
-
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
NOTES
4
1, 4
4
2
3
Address Valid to ALE Low
Address Hold after ALE Low
ALE Low to PSEN Low
PSEN Low to Data Valid
Data Hold after PSEN High
Data Float after PSEN High
ALE Pulse Width
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
T
DDA
T
DDH
T
DDZ
T
DRD
MIN.
3 T
CP
-
-
0
0
6 T
CP
-
TYP.
-
-
-
-
6 T
CP
MAX.
3 T
CP+
4 T
CP
2 T
CP
2 T
CP
-
UNIT
nS
nS
nS
nS
nS
NOTES
1, 2
1
ALE Low to RD Low
RD Low to Data Valid
Data Hold after RD High
Data Float after RD High
RD Pulse Width
2
Notes:
1. Data memory access time is 8 T
CP
.
2. "
" (due to buffer driving delay and wire loading) is 20 nS.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W78C33B-24 | 8-BIT MICROCONTROLLER |
| W78C33B-40 | 8-BIT MICROCONTROLLER |
| W78C33BF-24 | 8-BIT MICROCONTROLLER |
| W78C33BF-40 | TVS UNIDIRECT 600W 90V SMB |
| W78C33 | 8-BIT Microcontroller(8位的微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| W78C33BM-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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