參數(shù)資料
型號: UPD178004A
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁數(shù): 36/56頁
文件大小: 314K
代理商: UPD178004A
36
μ
PD178004A, 178006A, 178016A, 178018A
(iii) SBI mode (SCK0 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY3
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
3 200
ns
SCK0 high-/low-level width
t
KH3
,
4.5 V
V
DD
5.5 V
t
KCY3
/2 – 50
ns
t
KL3
3.5 V
V
DD
< 4.5 V
t
KCY3
/2 – 150
ns
SB0, SB1 setup time (to SCK0
)
t
SIK3
4.5 V
V
DD
5.5 V
100
ns
3.5 V
V
DD
< 4.5 V
300
ns
SB0, SB1 hold time (from SCK0
)
t
KSI3
t
KCY3
/2
ns
SB0, SB1 output delay time from
t
KSO3
R = 1 k
4.5 V
V
DD
5.5 V
0
250
ns
SCK0
C = 100 pF
Note
3.5 V
V
DD
< 4.5 V
0
1 000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY3
ns
SCK0
from SB0, SB1
t
SBK
t
KCY3
ns
SB0, SB1 high-level width
t
SBH
t
KCY3
ns
SB0, SB1 low-level width
t
SBL
t
KCY3
ns
Note
R and C are the load resistance and load capacitance of SB0 and SB1 output line.
(iv) SBI mode (SCK0 ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY4
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
3 200
ns
SCK0 high-/low-level width
t
KH4
,
4.5 V
V
DD
5.5 V
400
ns
t
KL4
3.5 V
V
DD
< 4.5 V
1 600
ns
SB0, SB1 setup time (to SCK0
)
t
SIK4
4.5 V
V
DD
5.5 V
100
ns
3.5 V
V
DD
< 4.5 V
300
ns
SB0, SB1 hold time (from SCK0
)
t
KSI4
t
KCY4
/2
ns
SB0, SB1 output delay time from
t
KSO4
R = 1 k
4.5 V
V
DD
5.5 V
0
300
ns
SCK0
C = 100 pF
Note
3.5 V
V
DD
< 4.5 V
0
1 000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY4
ns
SCK0
from SB0, SB1
t
SBK
t
KCY4
ns
SB0, SB1 high-level width
t
SBH
t
KCY4
ns
SB0, SB1 low-level width
t
SBL
t
KCY4
ns
SCK0 at rising or falling edge time
t
R4
, t
F4
1 000
ns
Note
R and C are the load resistance and load capacitance of SB0 and SB1 output line.
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