m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 454

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Figure 26.5 V
2
0
C
1
9
3 .
B
8 /
0
1
MAi
DB
BCLK
RAS
CASL
CASH
DW
3
Memory Expansion Mode and Microprocessor Mode
(When accessing the DRAM area)
0
3
Read Timing
J
G
t
4
a
NOTES:
Measurement Conditions:
d(BCLK-RAD)
o r
0 -
n
3 .
1. Values guaranteed only when the microcomputer is used independently.
1
u
2. Varies with operation frequency:
• V
• Input high and low voltage: V
• Output high and low voltage: V
, 1
3
p
1
A maximum of 35ns is guaranteed for the following combinations.
CC
(
2
t
t
t
t
t
t
t
t
M
d(BCLK-RAS)
d(BCLK-CAS)
d(BCLK-CAD)
ac4(RAS-DB)
ac4(CAS-DB)
ac4(CAD-DB)
h(RAS-RAD)
RP
=4.2 to 5.5V
CC
0
18ns.max
0
3
=(tcyc/2 x 3-20)ns.min
6
=5V Timing Diagram (4)
2
C
Row address
tcyc
t
h(BCLK-RAD)
t
8 /
Page 431
h(RAS-RAD)
, 3
=(tcyc/2-13)ns.min
=(tcyc/2 x m-35)ns.max (m=3 with 1 wait state and m=5 with 2 wait states)
=(tcyc/2 x n-35)ns.max (n=1 with 1 wait state and n=3 with 2 wait states)
=(tcyc x l-35)ns.max (l=1 with 1 wait state and l=2 with 2 wait states)
t
-3ns.min
+ t
+ t
+ t
d(BCLK-RAS)
18ns.max
M
su(DB-BCLK)
su(DB-BCLK)
su(DB-BCLK)
3
2
C
f o
(2)
8 /
(1)
4
3
t
8
) T
d(BCLK-CAD)
Hi-Z
18ns.max
8
IH
=2.5V, V
OH
t
=2.0V, V
ac4(RAS-DB)
t
d(BCLK-CAS)
(1)
18ns.max
IL
t
=0.8V
Column address
ac4(CAD-DB)
OL
t
=0.8V
ac4(CAS-DB)
(2)
(1)
26ns.min
t
su(DB-BCLK)
(2)
(1)
(2)
t
h(BCLK-CAD)
-3ns.min
t
-3ns.min
t
-3ns.min
h(BCLK-RAS)
h(BCLK-CAS)
t
h(CAS-DB)
0ns.min
t
RP
(2)
26. Electrical Characteristics
Vcc=5V