hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 51

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

Read/Single Write Cycle
Address
Address
I/O
(output)
A11(BS)
I/O
(output)
A11(BS)
DQMU
/DQML
DQMU
/DQML
(input)
(input)
I/O
I/O
CKE
CKE
RAS
CAS
RAS
CAS
CLK
CS
WE
CS
WE
V
V
IH
IH
Bank 0
Active
Bank 0
Active
R:a
R:a
0
1
2
Bank 0
Read
Bank 0
Read
C:a
C:a
3
4
Bank 1
Active
Bank 1
Active
R:b
R:b
5
a
a
6
a+1 a+2 a+3
a+1
7
HM5216805 Series, HM5216405 Series
8
a+3
9
10
Bank 0
Write
Bank 0
Write
C:a
a
C:a'
a
11
Bank 0
Read
C:a
12
Bank 0
Write
C:b
b
13
Bank 0
Write
C:c
c
14
a
15
a+1 a+2 a+3
16
Read/Single write
RAS-CAS delay = 3
CAS Latency = 3
Burst Length = 4
Bank 0
Precharge
Bank 0
Precharge
17
= V
IH
18
or V
Bank 1
Precharge
19
IL
20
51