M37754 Mitsubishi, M37754 Datasheet - Page 99

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

Timing requirements
Memory expansion and Microprocessor mode : High-speed running
Notes 1: When the clock source select bit = “1”, t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
c
w(H)
w(L)
r
f
su(DH–RD)
su(DL–RD)
su(PiD–RD)
h(RD–DH)
h(RD–DL)
h(RD–PiD)
su(A–DL/DH)
su(CS–DL/DH)
su(LA–DL)
: f(X
The rise and fall time of input signal must be 100 ns or less respectively, unless otherwise noted.
Symbol
IN
2: When the clock source select bit = “1”, set t
3: Since the values depend on external clock input frequency f(X
) = 20 MHz when the clock source selet bit = “1”
the next page.
External clock input cycle time (Note 1)
External clock input high-level pulse width (Note 2)
External clock input low-level pulse width (Note 2)
External clock rise time
External clock fall time
High-order data input setup time (BYTE = “L”)
Low-order data input setup time
Port Pi input setup time (i = 4—9, 11)
High-order data input hold time (BYTE = “L”)
Low-order data input hold time
Port Pi input hold time (i = 4—9, 11)
Data setup time with address stabilized (Note 3)
Data setup time with chip select stabilized (Note 3)
Data setup time with address stabilized (Note 3)
(V
otherwise noted)
CC
= 5 V±10 %, V
c
Parameter
’s minimum limit is 50 ns.
SS
w(H)
M37754M8C-XXXGP, M37754M8C-XXXHP
= 0 V, T
/t
c
and t
a
= –20 to 85 °C, f(X
w(L)
/t
c
ratios to 45 to 55 %.
IN
), calculate them using the bus timing data formula on the page after
M37754S4CGP, M37754S4CHP
IN
)=40 MHz when the clock source select bit = “0” , unless
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
t
t
c
c
Min.
/2 – 8
/2 – 8
25
30
30
60
0
0
0
Limits
160 (5- access)
160 (5- access)
100 (4- access)
150 (5- access)
110 (4- access)
110 (4- access)
65 (3- access)
65 (3- access)
50 (3- access)
Max.
8
8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
99