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W78LE812 데이터시트(PDF) 19 Page - Winbond

부품명 W78LE812
상세설명  8-BIT MTP MICROCONTROLLER
PDF  25 Pages
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제조업체  WINBOND [Winbond]
홈페이지  http://www.winbond.com
Logo WINBOND - Winbond

W78LE812 데이터시트(HTML) 19 Page - Winbond

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W78LE812
Publication Release Date: February 1999
- 19 -
Revision A2
Program Operation
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
VPP Setup Time
TVPS
2.0
-
-
µS
Data Setup Time
TDS
2.0
-
-
µS
Data Hold Time
TDH
2.0
-
-
µS
Address Setup Time
TAS
2.0
-
-
µS
Address Hold Time
TAH
0
-
-
µS
CE
Program Pulse Width for
Program Operation
TPWP
290
300
310
µS
OECTRL Setup Time
TOCS
2.0
-
-
µS
OECTRL Hold Time
TOCH
2.0
-
-
µS
OE
Setup Time
TOES
2.0
-
-
µS
OE
High to Output Float
TDFP
0
-
130
nS
Data Valid from OE
TOEV
-
-
150
nS
Note: Flash data can be accessed only in flash mode. The RST pin must pull in VIH status, the ALE pin must pull in VIL status, and
the PSEN pin must pull in VIH status.
TIMING WAVEFORMS
Program Fetch Cycle
S1
XTAL1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
ALE
PORT 2
A0-A7
A0-A7
Data
A0-A7
Code
T
A0-A7
Data
Code
PORT 0
PSEN
PDH,
TPDZ
TPDA
TAAH
TAAS
TPSW
TAPL
TALW



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