Renesas 7700 FAMILY, User Manual

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ELECTRICAL CHARACTERISTICS
7751 Group User’s Manual
15–20
15.8 Memory expansion mode and microprocessor mode : When 2-
φ
access in low-speed running
Switching characteristics (V
CC
= 5 V
±
10%, V
SS
= 0 V, Ta = –20 to 85
°
C, f(X
IN
) = 25 MHz, unless otherwise noted)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Limits
Min. Max.
Unit
Symbol Parameter
Data formula
(Min.)
18
9
18
18
18
9
18
18
18
18
Port P0 address hold time
Port P1 address hold time (BYTE = “L”)
Port P1 data hold time (BYTE = “L”)
Port P1 floating release delay time (BYTE = “L”)
Port P1 address hold time (BYTE = “H”)
Port P2 address hold time
Port P2 data hold time
Port P2 floating release delay time
____
BHE
hold time
__
R/W
hold time
– 22
1
✕
10 9
f(X
IN
)
– 22
1
✕
10
9
f(X
IN
)
– 22
1
✕
10 9
f(X
IN
)
– 22
1
✕
10
9
f(X
IN
)
– 22
1
✕
10
9
f(X
IN
)
– 22
1
✕
10 9
f(X
IN
)
– 22
1
✕
10 9
f(X
IN
)
– 22
1
✕
10 9
f(X
IN
)
Note: For test conditions, refer to Figure 15.15.1.
t
h(E–P0A)
t
h(ALE–P1A)
t
h(E–P1Q)
t
pzx(E–P1Z)
t
h(E–P1A)
t
h(ALE–P2A)
t
h(E–P2Q)
t
pzx(E–P2Z)
t
h(E–BHE)
t
h(E–RW)