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參數(shù)資料
| 型號(hào)： | μPD78P9014 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8位單片微控制器) |
| 中文描述： | 8位單片機(jī)微控制器（8位單片微控制器） |
| 文件頁(yè)數(shù)： | 37/48頁(yè) |
| 文件大小： | 191K |
| 代理商： | ΜPD78P9014 |
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μ
PD78P9014
37
AC Programming Characteristics (T
A
= 25
°
C, V
DD
= 5.5
±
0.25 V, V
PP
= 12.5
±
0.3 V, V
SS
= 0 V)
Parameter
Symbol
Note 1
Test Conditions
MIN.
TYP.
MAX.
Unit
Address setup time
Note 2
t
AS
t
AS
2
μ
s
(vs. MD0
↓
)
MD1 setup time (vs. MD0
↓
)
t
M1S
t
OES
2
μ
s
Data setup time (vs. MD0
↓
)
t
DS
t
DS
2
μ
s
Address hold time
Note 2
t
AH
t
AH
2
μ
s
(vs. MD0
↓
)
Data hold time (vs. MD0
↑
)
t
DH
t
DH
2
μ
s
MD0
↑
→
data output float
t
DF
t
DF
0
130
μ
s
delay time
V
PP
setup time (vs. MD3
↑
)
t
VPS
t
VPS
2
μ
s
V
DD
setup time (vs. MD3
↑
)
t
VDS
t
VCS
2
μ
s
Initial program pulse width
t
PW
t
PW
0.95
1.0
1.05
ms
Additional program pulse width
t
OPW
t
OPW
0.95
21.0
ms
MD0 setup time (vs. MD1
↑
)
t
MOS
t
CES
2
μ
s
MD0
↑
→
data output delay time
t
DV
t
DV
MD0 = MD1 = V
IL
1
μ
s
MD1 hold time (vs. MD0
↑
)
t
M1H
t
OEH
t
M1H
+ t
M1R
≥
50
μ
s
2
μ
s
MD1 recovery time (on MD0
↓
)
t
M1R
t
OR
2
μ
s
Program counter reset time
t
PCR
–
10
μ
s
X1 input high/low level widths
t
XH
, t
KL.
–
0.125
μ
s
X1 input frequency
f
X
–
4.19
MH
Z
Initial mode set time
t
I
–
2
μ
s
MD3 setup time (vs. MD1
↑
)
t
M3S
–
2
μ
s
MD3 hold time (vs. MD1
↓
)
t
M3H
–
2
μ
s
MD3 setup time (vs. MD0
↓
)
t
M3SR
–
During program memory read
2
μ
s
Address
Note 2
→
data output
t
DAD
t
ACC
During program memory read
2
μ
s
delay time
Address
Note 2
→
data output
t
HAD
t
OH
During program memory read
0
130
ns
hold time
MD3 hold time (vs. MD0
↑
)
t
M3HR
–
During program memory read
2
μ
s
MD3
↓
→
data output float
t
DFR
–
During program memory read
2
μ
s
delay time
Notes 1.
Symbol corresponding to those of
μ
PD27C256A.
2.
The internal address signal is incremented by one at the rising edge of the fourth X1 input and is not
connected to a pin.
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