
ELECTRICAL CHARACTERISTICS
7702/7703 Group User’s Manual
15–22
15.9 Memory expansion mode and microprocessor mode : with Wait
Switching characteristics (VCC = 5 V±10%, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
25 MHz
16 MHz
Unit
Parameter
Symbol
Min.
Max.
Min.
Max.
ns
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
th(E–P0A)
th(ALE–P1A)
th(E–P1Q)
tpzx(E–P1Z)
th(E–P1A)
th(ALE–P2A)
th(E–P2Q)
tpzx(E–P2Z)
th(E–BHE)
th(E–R/W)
18
9
18
9
18
V
25
9
25
36
25
9
25
36
18
(Note 1)
V
Notes 1: For the M37702E2AXXXFP, M37702E2AFS, M37702E4AXXXFP, and M37702E4AFS, refer to
section “19.5.4 Bus timing and EPROM mode.” For the M37703E2AXXXSP and M37703E4AXXXSP,
refer to section “20.6.2 Bus timing and EPROM mode.”
2: For test conditions, refer to Figure 15.10.1.
V: This is the value depending on f(XIN). For data formula, refer to Table 15.9.1.
Table 15.9.1 Bus timing data formula
tw(EL)
td(P0A–E)
td(P1A–E)
td(P2A–E)
td(P1A–ALE)
td(P2A–ALE)
tw(ALE)
td(BHE-E)
td(R/W-E)
th(E–P0A)
th(E–P1A)
th(E–P1Q)
th(E–P2Q)
tpzx(E–P1Z)
tpzx(E–P2Z)
4 ! 109
f(XIN)
– 30
f(XIN)
≤ 8 MHz
8 MHz < f(XIN)
≤ 16 MHz
16 MHz < f(XIN)
≤ 25 MHz
1 ! 109
f(XIN)
100 +
– 125
1 ! 109
f(XIN)
– 45
1 ! 109
f(XIN)
– 35
1 ! 109
f(XIN)
100 +
– 125
1 ! 109
f(XIN)
– 30
1 ! 109
f(XIN)
– 38.5
1 ! 109
f(XIN)
– 27.5
1.2 ! 109
f(XIN)
– 75
30 +
1 ! 109
f(XIN)
– 26
1 ! 109
2 ! f(XIN)
– 6.25
1 ! 109
2 ! f(XIN)
– 12.5
1 ! 109
f(XIN)
– 35
1 ! 109
f(XIN)
– 18
1 ! 109
f(XIN)
– 22
1 ! 109
2 ! f(XIN)
– 2
1.2 ! 109
f(XIN)
30 +
– 75
1 ! 109
f(XIN)
12 +
– 40
1 ! 109
f(XIN)
– 40
20 +
Note: For the M37702E2AXXXFP, M37702E2AFS, M37702E4AXXXFP, and M37702E4AFS, refer to section
“19.5.4 Bus timing and EPROM mode.” For the M37703E2AXXXSP and M37703E4AXXXSP, refer
to section “20.6.2 Bus timing and EPROM mode.”
(Note)
f(XIN)
Sign