參數(shù)資料
型號: M37736EHBGS
廠商: Mitsubishi Electric Corporation
英文描述: PROM VERSION OF M37736EHBXXXGP
中文描述: PROM的版本M37736EHBXXXGP
文件頁數(shù): 78/96頁
文件大小: 1328K
代理商: M37736EHBGS
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI MICROCOMPUTERS
M37736MHBXXXGP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
78
[External bus mode A]
Memory expansion mode and microprocessor mode
Bus timing data formulas
(V
CC
= 5 V ± 10%, V
SS
= 0 V, Ta = –20 to 85 °C, f(X
IN
) = 25 MHz (Max., Note), unless otherwise noted)
Address output delay time
Address output delay time
Address hold time
ALE pulse width
Address output setup time
Address hold time
ALE output delay time
Data output delay time
Data hold time
_
E
pulse width
Floating start delay time
Floating release delay time
No wait
Wait 1
Wait 0
45
5
1
10
9
2 · f(f
2
)
3
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
3
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
2
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
2
10
9
2 · f(f
2
)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
No wait
Wait 1
Wait 0
1
10
9
2 · f(f
2
)
ns
ns
ns
ns
ns
ns
9
4
1
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
2
10
9
2 · f(f
2
)
4
10
9
2 · f(f
2
)
ns
ns
1
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
3
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
3
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
1
10
9
2 · f(f
2
)
– 28
– 33
– 28
– 45
– 22
– 18
– 23
– 35
– 35
– 25
– 30
– 22
– 30
– 30
– 20
– 28
– 33
– 28
– 33
– 22
– 22
Unit
Symbol
Parameter
Limits
Wait mode
Min.
Max.
t
d(An–E)
t
d(A–E)
t
h(E–An)
t
w(ALE)
t
su(A–ALE)
t
h(ALE–A)
t
d(ALE–E)
t
d(E–DQ)
t
h(E–DQ)
t
w(EL)
t
pxz(E–DZ)
t
pzx(E–DZ)
No wait
Wait 1
Wait 0
___
BHE
output delay time
_
R/
W
output delay time
t
d(BHE–E)
t
d(R/W–E)
t
h(E–BHE)
t
h(E–R/W)
t
d(E–
1)
1
output delay time
_
R/
W
hold time
___
BHE
hold time
0
18
ns
ns
ns
ns
ns
ns
ns
ns
Notes 1.
This applies when the main-clock division selection bit = “0”.
2.
f(f
2
) represents the clock f
2
frequency.
For the relation to the main clock and sub clock, refer to Table 10.
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