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參數(shù)資料
| 型號： | W78E51BP-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, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大小： | 324K |
| 代理商： | W78E51BP-24 |
Preliminary W78E51B
- 14 -
Clock Input Waveform
T
T
XTAL1
F
CH
CL
OP,
T
CP
PARAMETER
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
Operating Speed
Clock Period
Clock High
Clock Low
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.
-
-
-
-
-
-
2 T
CP
3 T
CP
MAX.
-
-
-
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 from 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
PSEN Pulse Width
4
4
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 from RD High
Data Float from 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 |
|---|---|
| W78E51B-24 | 8-BIT MTP MICROCONTROLLER |
| W78E51B-40 | 8-BIT MTP MICROCONTROLLER |
| W78E51B | 8-BIT MTP Monitor Microcontroller(多次可編程的8位的監(jiān)視微控制器) |
| W78E51BF-24 | 8-BIT MTP MICROCONTROLLER |
| W78E51BF-40 | 8-BIT MTP MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W78E51BP-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78E51C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 bit micocontroller |
| W78E51C_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78E51P-16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| W78E51P-24 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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