W78LE54 View Datasheet(PDF) - Winbond
Part Name
Description
View to exact match
W78LE54 Datasheet PDF : 22 Pages
| |||
Preliminary W78LE54
Program Operation
PARAMETER
VPP Setup Time
Data Setup Time
Data Hold Time
Address Setup Time
Address Hold Time
CE Program Pulse Width for
Program Operation
OECTRL Setup Time
OECTRL Hold Time
OE Setup Time
OE High to Output Float
Data Valid from OE
SYMBOL
TVPS
TDS
TDH
TAS
TAH
TPWP
TOCS
TOCH
TOES
TDFP
TOEV
MIN.
2.0
2.0
2.0
2.0
0
290
2.0
2.0
2.0
0
-
TYP.
-
-
-
-
-
300
-
-
-
-
-
MAX.
-
-
-
-
-
310
-
-
-
130
150
UNIT
µS
µS
µS
µS
µS
µS
µS
µS
µS
nS
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
XTAL1
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
ALE
PSEN
PORT 2
TAPL
TALW
TPSW
TAAS
TAAH
TPDA
TPDH, TPDZ
PORT 0
Code
A0-A7
Data A0-A7
Code A0-A7
Data A0-A7
- 16 -
Share Link: 