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參數資料
| 型號： | W78LE51F-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： | 14/21頁 |
| 文件大小： | 304K |
| 代理商： | W78LE51F-24 |
Preliminary W78LE51
- 14 -
Program Fetch Cycle
PARAMETER
SYMBOL
T
AAS
T
AAH
T
APL
MIN.
1 T
CP
-
1 T
CP
-
1 T
CP
-
TYP.
-
-
-
MAX.
-
-
-
UNIT
nS
nS
nS
NOTES
4
1, 4
4
Address Valid to ALE Low
Address Hold from ALE Low
ALE Low to
PSEN
Low
PSEN
Low to Data Valid
T
PDA
-
-
2 T
CP
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 from RD High
T
DDH
0
-
2 T
CP
nS
Data Float from 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.
Data Write Cycle
PARAMETER
SYMBOL
T
DAW
MIN.
3 T
CP
-
1 T
CP
-
1 T
CP
-
6 T
CP
-
TYP.
-
MAX.
3 T
CP
+
-
UNIT
nS
ALE Low to WR Low
Data Valid to WR Low
T
DAD
-
nS
Data Hold from WR High
T
DWD
-
-
nS
WR Pulse Width
T
DWR
6 T
CP
-
nS
Note: "
" (due to buffer driving delay and wire loading) is 20 nS.
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| W78LE51 | 8-BIT MTP MICROCONTROLLER |
| W78LE51-24 | 8-BIT MTP MICROCONTROLLER |
| W78LE51P-24 | 8-BIT MTP MICROCONTROLLER |
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相關代理商/技術參數 |
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|---|---|
| W78LE51P-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78LE52-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE52C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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