參數(shù)資料
型號(hào): W77IE58
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁(yè)數(shù): 83/90頁(yè)
文件大?。?/td> 409K
代理商: W77IE58
Preliminary W77IE58
Publication Release Date: July 2000
- 83 -
Revision A1
AC Specification, continued
PARAMETER
SYMBOL
VARIABLE
CLOCK
MIN.
VARIABLE
CLOCK
MAX.
UNITS
PSEN
Low to Valid Instruction In
t
PLIV
2.0t
CLCL
- 20
nS
Input Instruction Hold After PSEN
t
PXIX
0
nS
Input Instruction Float After PSEN
t
PXIZ
t
CLCL
- 5
nS
Port 0 Address to Valid Instr. In
t
AVIV1
3.0t
CLCL
- 20
nS
Port 2 Address to Valid Instr. In
t
AVIV2
3.5t
CLCL
- 20
nS
PSEN
Low to Address Float
t
PLAZ
0
nS
Data Hold After Read
t
RHDX
0
nS
Data Float After Read
t
RHDZ
t
CLCL
- 5
nS
RD
Low to Address Float
t
RLAZ
0.5t
CLCL
- 5
nS
MOVX Characteristics Using Strech Memory Cycles
PARAMETER
SYMBOL
VARIABLE
CLOCK
MIN.
VARIABLE
CLOCK
MAX.
UNITS
STRECH
Data Access ALE Pulse Width
t
LLHL2
1.5 t
CLCL
- 5
2.0 t
CLCL
- 5
nS
t
MCS
= 0
t
MCS
>0
Address Hold After ALE Low for
MOVX write
t
LLAX2
0.5 t
CLCL
- 5
nS
RD
Pulse Width
t
RLRH
2.0 t
CLCL
- 5
t
MCS
- 10
nS
t
MCS
= 0
t
MCS
>0
WR
Pulse Width
t
WLWH
2.0 t
CLCL
- 5
t
MCS
- 10
nS
t
MCS
= 0
t
MCS
>0
RD
Low to Valid Data In
t
RLDV
2.0 t
CLCL
- 20
t
MCS
- 20
nS
t
MCS
= 0
t
MCS
>0
Data Hold after Read
t
RHDX
0
nS
Data Float after Read
t
RHDZ
t
CLCL
- 5
2.0 t
CLCL
- 5
nS
t
MCS
= 0
t
MCS
>0
ALE Low to Valid Data In
t
LLDV
2.5 t
CLCL
- 5
t
MCS
+ 2 t
CLCL
- 40
nS
t
MCS
= 0
t
MCS
>0
Port 0 Address to Valid Data In
t
AVDV1
3.0 t
CLCL
- 20
2.0 t
CLCL
- 5
nS
t
MCS
= 0
t
MCS
>0
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