M37754 Mitsubishi, M37754 Datasheet - Page 108

• Manufacturer Part Number: M37754
• Description: SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

<NOTE> External bus timing when internal memory area is accessed (2- access) in high-speed
running
108
(V
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
d(WR–DLQ/DHQ)
pxz(WR–DLZ/DHZ)
h(WR–DLQ/DHQ)
pzx(WR–DLZ/DHZ)
: f(X
w( H)
d( 1–WR)
d( 1–RD)
w(WR)
w(RD)
d(A–WR)
d(A–RD)
d(A–ALE)
d(BHE–WR)
d(BHE–RD)
d(BHE–ALE)
d(CS–WR)
d(CS–RD)
d(CS–ALE)
d(ALE–WR)
d(ALE–RD)
w(ALE)
h(WR–A)
h(RD–A)
d(WR–BHE)
d(RD–BHE)
d(WR–CS)
d(RD–CS)
CC
: f(X
__
__
Symbol
IN
= 5 V±10 %, V
, t
IN
)
w( L)
)
20 MHz when the clock source select bit = “1”.
20 MHz when the clock source select bit = “1”.
___
___
____
____
____
____
____
___
WR output delay time
RD output delay time
___
WR low-level pulse width
RD low-level pulse width
Address output delay time
Address output delay time
Address output delay time
BHE output delay time
BHE output delay time
BHE output delay time
Chip select output delay time
Chip select output delay time
Chip select output delay time
Data output delay time
Floating start delay time
ALE output delay time
ALE output delay time
ALE pulse width
Address hold time
Address hold time
BHE hold time
BHE hold time
Chip select hold time
Chip select hold time
Data hold time
Floating release delay time
high-level pulse width, low-level pulse width
SS
= 0 V, T
a
= –20 to 85 °C, f(X
Parameter
IN
)
M37754M8C-XXXGP, M37754M8C-XXXHP
40 MHz when the clock source select bit = “0” )
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
f (X
MITSUBISHI MICROCOMPUTERS
Min.
–7
–7
25
25
10
25
25
10
25
25
10
30
10
10
10
10
10
10
10
15
5
5
5
4
4
0
IN
) = 40 MHz
Max.
12
12
35
data formula
1
1
1
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Bus timing
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
f(X
————
————
————
————
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
10
IN
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
– 20
– 20
– 20
– 25
– 25
– 40
– 25
– 25
– 40
– 25
– 25
– 40
+ 5
– 15
– 15
– 15
– 15
– 15
– 15
– 15
– 10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns