M37754 Mitsubishi, M37754 Datasheet - Page 91

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

Switching characteristics
Memory expansion and Microprocessor mode : Low-speed running
Note: Since the values depend on external clock input frequency f(X
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
__
__
Symbol
, t
IN
w( L)
) = 12.5 MHz when the clock source selet bit = “1”
Port Pi data output delay time (i = 4—9, 11)
____
____
____
___
WR output delay time
__
RD output delay time
___
WR low-level pulse width (Note)
RD low-level pulse width (Note)
Address output delay time (Note)
Address output delay time (Note)
Address output delay time (Note)
BHE output delay time (Note)
BHE output delay time (Note)
BHE output delay time (Note)
Chip select output delay time (Note)
Chip select output delay time (Note)
Chip select output delay time (Note)
Data output delay time
Floating start delay time (Note)
ALE output delay time
ALE output delay time
ALE pulse width (Note)
Address hold time (Note)
Address hold time (Note)
BHE hold time (Note)
BHE hold time (Note)
Chip select hold time (Note)
Chip select hold time (Note)
Data hold time (Note)
Floating release delay time
Address output delay time (Note)
Address output delay time (Note)
Address output delay time (Note)
Address hold time
Floating start delay time
Floating release delay time (Note)
high-level pulse width,
(V
unless otherwise noted)
CC
= 5 V±10 %, V
low-level pulse width (Note)
Parameter
M37754M8C-XXXGP, M37754M8C-XXXHP
SS
= 0 V, T
IN
a
= –20 to 85 °C, f(X
), calculate them using the bus timing data formula on the next page.
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Min.
2- access
20
–7
–7
60
60
15
15
15
15
15
15
22
10
10
10
10
10
10
15
12
12
18
IN
8
8
8
4
4
0
5
9
) = 25 MHz when the clock source select bit = “0” ,
Max.
12
12
35
30
60
MITSUBISHI MICROCOMPUTERS
5
Min.
140
140
3- access
20
–7
–7
15
15
15
15
15
15
22
10
10
10
10
10
10
15
12
12
18
8
8
8
4
4
0
5
9
Max.
12
12
35
30
60
5
25 (Note)
Min.
140
140
4- access
20
–7
–7
95
95
55
95
95
55
95
95
55
62
10
10
10
10
10
10
15
92
92
52
18
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
91