MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(External bus timing on internal RAM access (2-φ access) in high-speed running)
t
w(H)
t
w(L)
tw(H) tw(L)
t
r
t
f
t
c
t
r
t
f
tc
f(XIN
)
t
w(φL)
tw(φL)
φ1
t
d(φ1-WR)
td(φ1-RD)
t
d(φ1-WR)
td(φ1-RD)
t
w(φH)
t
w(φH)
RD
t
w(RD)
WR
t
w(WR)
t
w(ALE)
t
d(ALE-RD)
t
w(ALE)
t
d(ALE-WR)
ALE output
t
h(WR-BHE)
h(WR-A)
t
h(RD-BHE)
h(RD-A)
t
d(BHE-WR)
td(BHE-RD)
BHE output
t
d(BHE-ALE)
d(A-WR)
t
d(BHE-ALE)
t
t
t
td(A-RD)
A
A
A
0—
A
7
output
15 output
23 output
8—A
Address
Address
16—
A
t
d(A-ALE)
td(A-ALE)
t
h(WR-CS)
th(RD-CS)
t
d(CS-WR)
td(CS-RD)
CS0—CS4 output
td(CS-ALE)
td(CS-ALE)
t
h(WR-DLQ/DHQ)
t
d(WR-DLQ/DHQ)
Hi-Z
Hi-Z
D
0—
D
7
output
Data
D
8—
D
15 output (BYTE = “L”)
t
pzx(WR-DLZ/DHZ)
t
pxz(WR-DLZ/DHZ)
✽ The value of output data is undefined.
Test conditions
• VCC = 5 V±10 %
• Output timing voltage : VOL = 0.8 V, VOH = 2.0 V, CL = 100 pF
109
RENESAS [ RENESAS TECHNOLOGY CORP ]
