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參數(shù)資料
| 型號： | UPD75P108BGF-3BE |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 28/46頁 |
| 文件大小： | 381K |
| 代理商： | UPD75P108BGF-3BE |
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28
μ
PD75P108B
AC PROGRAMMING CHARACTERISTICS (Ta = 25
°
C, V
DD
= 6.0
±
0.25 V, V
PP
= 12.5
±
0.3 V, V
SS
= 0 V)
PARAMETER
Address setup time
*2
(to MD0
↓
)
MD1 setup time (to MD0
↓
)
Data setup time (to MD0
↓
)
Address hold time
*2
(from MD0
↑
)
Data hold time (from MD0
↑
)
Data output float delay time from MD0
↑
V
PP
setup time (to MD3
↑
)
V
DD
setup time (to MD3
↑
)
Initial program pulse width
Additional program pulse width
MD0 setup time (to MD1
↑
)
Data output delay time from MD0
↓
MD1 hold time (from MD0
↑
)
MD1 recovery time (from MD0
↓
)
Program counter reset time
X1 input high-/low-level width
X1 input frequency
Initial mode setting time
MD3 setup time (to MD1
↑
)
MD3 hold time (from MD1
↓
)
MD3 setup time (to MD0
↓
)
Address
*2
data output delay time
Address
*2
data output hold time
MD3 hold time (from MD0
↑
)
Data output float delay time from MD3
↓
UNIT
μ
s
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
ms
ms
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
MHz
μ
s
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
MAX.
130
1.05
21.0
1
4.19
2
130
2
TYP.
1.0
MIN.
2
2
2
2
2
0
2
2
0.95
0.95
2
2
2
10
0.125
2
2
2
2
0
2
*1
t
AS
t
OES
t
DS
t
AH
t
DH
t
DF
t
VPS
t
VCS
t
PW
t
OPW
t
CES
t
DV
t
OEH
t
OR
—
—
—
—
—
—
—
t
ACC
t
OH
—
—
*
1.
2.
Corresponding to
PD27C256A symbol.
Internal address signal is incremented by 1 on rise of 4th X1 input, and is not connected to a pin.
TEST CONDITIONS
MD0 = MD1 = V
IL
t
M1H
+ t
M1R
≥
50
μ
s
In program memory read
In program memory read
In program memory read
In program memory read
In program memory read
SYMBOL
t
AS
t
M1S
t
DS
t
AH
t
DH
t
DF
t
VPS
t
VDS
t
PW
t
OPW
t
MOS
t
DV
t
M1H
t
M1R
t
PCR
t
XH
, t
XL
f
X
t
I
t
M3S
t
M3H
t
M3SR
t
DAD
t
HAD
t
M3HR
t
DFR
#
#
#
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