參數(shù)資料
型號(hào): μPD78074B
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): 50/76頁(yè)
文件大小: 568K
代理商: ΜPD78074B
50
μ
PD78074B, 78075B
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY4
4.5 V
V
DD
5.5 V
800
ns
2.0 V
V
DD
< 4.5 V
3200
ns
4800
ns
SCK0 high/low-level
width
t
KH4
, t
KL4
4.5 V
V
DD
5.5 V
400
ns
2.0 V
V
DD
< 4.5 V
1600
ns
2400
ns
SB0, SB1 setup time
(to SCK0
)
t
SIK4
4.5 V
V
DD
5.5 V
100
ns
2.0 V
V
DD
< 4.5 V
300
ns
400
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI4
t
KCY4
/2
ns
SB0, SB1 output delay
time from SCK0
t
KSO4
R = 1 k
,
V
DD
= 4.5 to 5.5 V
0
300
ns
C = 100 pF
Note
0
1000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY4
ns
SCK0
from SB0, SB1
t
SBK
2.0 V
V
DD
5.5 V
t
KCY4
ns
SB0, SB1 high-level width
t
SBH
2.0 V
V
DD
5.5 V
t
KCY4
ns
SB0, SB1 low-level width
t
SBL
2.0 V
V
DD
5.5 V
t
KCY4
ns
SCK0 rise/fall time
t
R4
, t
F4
When using external device
expansion function
160
ns
When not using external
device expansion function
1000
ns
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY3
4.5 V
V
DD
5.5 V
800
ns
2.0 V
V
DD
< 4.5 V
3200
ns
4800
ns
SCK0 high/low-level
width
t
KH3
, t
KL3
V
DD
= 4.5 to 5.5 V
t
KCY3
/2 – 50
ns
t
KCY3
/2 – 150
ns
SB0, SB1 setup time
(to SCK0
)
t
SIK3
4.5 V
V
DD
5.5 V
100
ns
2.0 V
V
DD
< 4.5 V
300
ns
400
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI3
t
KCY3
/2
ns
SB0, SB1 output delay
time from SCK0
t
KSO3
R = 1 k
,
V
DD
= 4.5 to 5.5 V
0
250
ns
C = 100 pF
Note
0
1000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY3
ns
SCK0
from SB0, SB1
t
SBK
2.0 V
V
DD
5.5 V
t
KCY3
ns
SB0, SB1 high-level width
t
SBH
2.0 V
V
DD
5.5 V
t
KCY3
ns
SB0, SB1 low-level width
t
SBL
2.0 V
V
DD
5.5 V
t
KCY3
ns
(iii) SBI mode (SCK0… Internal clock output)
Note
R and C are the load resistance and load capacitance of the SCK0 and SB0, SB1 output lines.
(iv) SBI mode (SCK0… External clock input)
Note
R and C are the load resistance and load capacitance of the SB0, SB1 output line.
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