W78E52BF-40 WINBOND [Winbond], W78E52BF-40 Datasheet - Page 16

• Manufacturer Part Number: W78E52BF-40
• Description: 8-BIT MTP MICROCONTROLLER
• Manufacturer: WINBOND [Winbond]

Program Operation, continued
Note: Flash data can be accessed only in flash mode. The RST pin must pull in V
TIMING WAVEFORMS
Program Fetch Cycle
Program Operation
OECTRL Setup Time
OECTRL Hold Time
Data Valid from OE
CE Program Pulse Width for
OE Setup Time
OE High to Output Float
the PSEN pin must pull in V
PARAMETER
PORT 2
PORT 0
PSEN
XTAL1
ALE
Code
IH
S1
status.
T
AAH
A0-A7
S2
T
AAS
T
T
S3
PDA
APL
T
PSW
Data
SYMBOL
S4
T
T
T
T
T
T
PWP
OCS
OCH
OES
DFP
OEV
A0-A7
T
S5
PDH,
- 16 -
T
ALW
T
PDZ
S6
Code
MIN.
290
2.0
2.0
2.0
S1
0
-
A0-A7
S2
Preliminary W78E52B
IH
status, the ALE pin must pull in V
TYP.
300
S3
-
-
-
-
-
Data
S4
MAX.
A0-A7
310
130
150
S5
-
-
-
S6
UNIT
nS
nS
S
S
S
S
IL
status, and