mb91101 Fujitsu Microelectronics, Inc., mb91101 Datasheet - Page 79

• Manufacturer Part Number: mb91101
• Description: 32-bit Risc Microcontroller Cmos
• Manufacturer: Fujitsu Microelectronics, Inc.

t
*1: When Q1 cycle or Q4 cycle is extended for 1 cycle, add t
*2: Rating at a gear cycle of
RAS delay time
CAS delay time
ROW address delay time
COLUMN address delay
time
DW delay time
Output data delay time
RAS
time
CAS
time
CAS
(8) Normal DRAM Mode Read/Write Cycle
CYC
Equation: (3 – n/2)
When a gear cycle of 1/2, 1/4, 1/8 is selected, substitute “n” in the following equation with 1/2, 1/4, 1/8,
respectively.
(a cycle time of peripheral system clock): Refer to “(2) Clock Output Timing.”
Parameter
valid data input
valid data input
data hold time
t
CYC
t
t
t
t
t
t
t
t
t
t
t
t
– 16
Symbol
CLRAH
CHRAL
CLCASL
CLCASH
CHRAV
CHCAV
CHDWL
CHDWH
CHDV1
RLDV
CLDV
CADH
1.
CLK, RAS0, RAS1
CLK, RAS0, RAS1
CLK, CS0H, CS0L,
CS1H, CS1L
CLK, CS0H, CS0L,
CS1H, CS1L
CLK,
A24 to A00
CLK,
A24 to A00
CLK, DW0, DW1
CLK, DW0, DW1
CLK,
D31 to D16
RAS0, RAS1,
D31 to D16
CS0H, CS0L, CS1H,
CS1L, D31 to D16
CS0H, CS0L, CS1H,
CS1L, D31 to D16
(V
CC
Pin name
5 = V
(V
CC
CC
3 = 2.7 V to 3.6 V, V
5 = 5.0 V 10%, V
CYC
Condition
time to this rating.
—
MB91101/MB91101A
SS
SS
Min
= AV
= AV
—
—
—
—
—
—
—
—
—
—
—
0
Value
SS
SS
= 0.0 V, T
= 0.0 V, T
5/2 t
t
CYC
Max
– 16
15
15
15
15
15
—
6
6
6
6
– 17
CYC
A
A
Unit
= –40 C to +70 C)
= –40 C to +70 C)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
*1
*2
*1
Remarks
79