M37754 Mitsubishi, M37754 Datasheet - Page 100

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

Switching characteristics
Memory expansion and Microprocessor mode : High-speed running
Note: Since the values depend on external clock frequency f(X
100
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
t
t
t
t
t
t
t
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(WR–DLQ/DHQ)
pxz(WR–DLZ/DHZ)
d(ALE–WR)
d(ALE–RD)
w(ALE)
h(WR–A)
h(RD–A)
h(WR–BHE)
h(RD–BHE)
h(WR–CS)
h(RD–CS)
h(WR–DLQ/DHQ)
pzx(WR–DLZ/DHZ)
d(LA–WR)
d(LA–RD)
d(LA–ALE)
h(ALE–LA)
PXZ(RD–DLZ)
PZX(RD–DLZ)
d(WR–PiQ)
: f(X
__
__
IN
Symbol
, t
) = 20 MHz when the clock source selet bit = “1”
w( L)
___
___
____
____
____
____
____
___
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
Address output delay time
Address output delay time
Address output delay time
Address hold time
Floating start delay time
Floating release delay time
Port Pi data output delay time (i = 4—9, 11)
high-level pulse width,
(V
“0” , unless otherwise noted)
CC
= 5 V±10 %, V
low-level pulse width
Parameter
M37754M8C-XXXGP, M37754M8C-XXXHP
IN
), calculate them by using the bus timing data formulas on the next page.
SS
= 0 V, T
a
= –20 to 85 °C, f(X
M37754S4CGP, M37754S4CHP
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
(Note)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Min.
3- access
–7
–7
55
55
25
25
10
25
25
10
25
25
10
10
10
10
10
10
10
10
15
15
15
10
15
5
4
4
0
5
IN
) = 40 MHz when the clock source select bit =
Max.
12
12
35
30
60
MITSUBISHI MICROCOMPUTERS
5
Min.
4
–7
–7
80
80
45
45
35
45
45
35
45
45
35
35
10
10
10
10
10
10
15
40
40
30
10
15
5
4
4
0
access
Max.
12
12
35
30
60
5
Min.
130
130
5- access
–7
–7
45
45
35
45
45
35
45
45
35
35
10
10
10
10
10
10
15
40
40
30
10
15
5
4
4
0
Max.
12
12
35
30
60
5
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
ns
ns
ns
ns
ns
ns
ns