upd178p018 Renesas Electronics Corporation., upd178p018 Datasheet - Page 41

• Manufacturer Part Number: upd178p018
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

AC CHARACTERISTICS
(1) PROM Write Mode
Note
Address setup time (to OE )
OE setup time
CE setup time (to OE )
Input data setup time (to OE )
Address hold time (from OE )
Input data hold time (from OE )
Data output float delay time
from OE
V
V
Program pulse width
Valid data delay time from OE
OE pulse width during data
latching
PGM setup time
CE hold time
OE hold time
Address setup time (to PGM )
OE set time
CE setup time (to PGM )
Input data setup time (to PGM )
Address hold time (from OE )
Input data hold time
(from PGM )
Data output float delay time
from OE
V
V
Program pulse width
Valid data delay time from OE
OE hold time
PP
DD
PP
DD
(a) Page program mode (T
(b) Byte program mode (T
setup time (to OE )
setup time (to PGM )
setup time (to OE )
setup time (to PGM )
Corresponding PD27C1001A symbol.
Parameter
Parameter
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
PGMS
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OES
CES
AHV
VDS
CEH
OEH
OES
CES
VDS
OEH
AHL
VPS
VPS
AS
DS
AH
DH
DF
PW
OE
LW
AS
DS
AH
DH
DF
PW
OE
A
A
= 25
= 25
Symbo
Symbo
t
t
t
t
t
t
t
t
t
t
PGMS
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OES
CES
AHV
VCS
CEH
OEH
OES
CES
VCS
AHL
VPS
VPS
—
PW
LW
PW
AS
DS
AH
DH
DF
OE
AS
DS
AH
DH
DF
OE
5 C, V
5 C, V
l
l
Note
Note
DD
DD
= 6.5
Test Conditions
Test Conditions
= 6.5
0.25 V, V
0.25 V, V
PP
PP
= 12.5
= 12.5
0.095
0.095
MIN.
0.3 V)
MIN.
0.3 V)
1.0
1.0
1.0
1.0
2
2
2
2
2
2
0
2
0
1
2
2
2
2
2
2
2
2
2
0
2
TYP.
TYP.
0.1
0.1
PD178P018A
MAX.
0.105
MAX.
0.105
250
250
1
1
Unit
Unit
ms
ms
ms
ns
ms
ms
ms
ns
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
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