參數(shù)資料
型號: μPD70P3000
廠商: NEC Corp.
英文描述: 16/32 Bit Single Chip Microcontrollers(16/32位單片微控制器)
中文描述: 16/32位單片機(jī)微控制器(16/32位單片微控制器)
文件頁數(shù): 50/72頁
文件大?。?/td> 334K
代理商: ΜPD70P3000
μ
PD70P3000
50
(5) Read timing (1/2)
Parameter
Symbol
Condition
MIN.
MAX.
Unit
CLKOUT
↑→
address delay time
<20>
t
DKA
3
32
ns
CLKOUT
↑→
address float delay time
<21>
t
FKA
3
32
ns
CLKOUT
↓→
ASTB delay time
<22>
t
DKST
3
32
ns
CLKOUT
↓→
DSTB delay time
<23>
t
DKD
3
32
ns
CLKOUT
↑→
status delay time
<24>
t
DKS
3
32
ns
Data input setup time (vs. CLKOUT
) <25>
t
SIDK
5
ns
Data input hold time (vs. CLKOUT
)
<26>
t
HKID
5
ns
WAIT setup time (vs. CLKOUT
)
<27>
t
SWTK
7
ns
WAIT hold time (vs. CLKOUT
)
<28>
t
HKWT
7
ns
Address hold time (vs. CLKOUT
) <29>
t
HKA
0
ns
Address setup time (vs. ASTB
)
<30>
t
SAST
0.5 T – 25
ns
Address hold time (vs. ASTB
)
<31>
t
HSTA
0.5 T – 25
ns
DSTB
↓→
address float delay time <32>
t
FDA
0
ns
Data input setup time (vs. address) <33>
t
SAID
(2 + n) T – 45
ns
Data input setup time (vs. DSTB
) <34>
t
SDID
(1 + n) T – 35
ns
ASTB
↓→
DSTB
delay time
<35>
t
DSTD
0.5 T – 15
ns
Data input hold time (vs. DSTB
)
<36>
t
HDID
0
ns
DSTB
↑→
address output delay time
<37>
t
DDA
(1 + i) T
ns
DSTB
↑→
ASTB
delay time
<38>
t
DDSTH
0.5 T – 15
ns
DSTB
↑→
ASTB
delay time
<39>
t
DDSTL
(1.5 + i) T – 15
ns
Status setup time (vs. ASTB
)
<40>
t
SSST
0.5 T – 15
ns
Status hold time (vs. ASTB
)
<41>
t
HSTS
0.5 T – 20
ns
DSTB width, low
<42>
t
WDL
(1 + n) T – 15
ns
ASTB width, high
<43>
t
WSTH
T – 20
ns
WAIT setup time (vs. address)
<44>
t
SAWT1
n
1
1.5 T – 50
ns
<45>
t
SAWT2
(1.5 + n) T – 50
ns
WAIT hold time (vs. address)
<46>
t
HAWT1
n
1
(0.5 + n) T
ns
<47>
t
HAWT2
(1.5 + n) T
ns
WAIT setup time (vs. ASTB
)
<48>
t
SSTWT1
n
1
T – 35
ns
<49>
t
SSTWT2
(1 + n) T – 35
ns
WAIT hold time (vs. ASTB
)
<50>
t
HSTWT1
n
1
nT
ns
<51>
t
HSTWT2
(1 + n) T
ns
Remarks 1.
T = t
CYK
2.
n indicates the number of wait clocks inserted in the bus cycle. The sampling timing differs when
the programmable wait state is inserted.
3.
i indicates the number of idle states (0 or 1) t be inserted in the read cycle.
4.
Be sure to observe at least one of data input hold times t
HKID
(<26>) and t
HDID
(<36>).
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