eds1232aase Elpida Memory, Inc., eds1232aase Datasheet - Page 45

• Manufacturer Part Number: eds1232aase
• Description: 128m Bits Sdram
• Manufacturer: Elpida Memory, Inc.

Read Cycle/Write Cycle
Data Sheet E0350E31 (Ver. 3.1)
DQ (output)
DQ (output)
DQ (input)
DQ (input)
Address
Address
/RAS
/CAS
DQM
/RAS
/CAS
DQM
CKE
CKE
CLK
/WE
/WE
/CS
/CS
BS
BS
VIH
VIH
Bank 0
Active
Bank 0
Active
R:a
R:a
0
1
2
Bank 0
Read
Bank 0
Write
C:a
a
C:a
3
a+1 a+2 a+3
4
Bank 3
Active
Bank 3
Active
R:b
R:b
5
a
6
a+1 a+2 a+3
7
Bank 3
Read
Bank 3
Write
b
C:b
C:b
8
Bank 0
Precharge
b+1 b+2 b+3 b'
9
Bank 0
Precharge
High-Z
High-Z
10
45
b
11
Bank 3
Read
Bank 3
Write
b+1 b+2 b+3 b'
C:b'
C:b'
12
b'+1 b"
13
Bank 3
Read
Bank 3
Write
C:b"
C:b"
14
b"+1 b"+2 b"+3
15
b'+1 b"
16
17
Bank 3
Precharge
Bank 3
Precharge
b"+1 b"+2 b"+3
18
19
EDS1232AASE
20
Read cycle
/RAS-/CAS delay = 3
/CAS latency = 3
Burst length = 4
Write cycle
/RAS-/CAS delay = 3
/CAS latency = 3
Burst length = 4
= VIH or VIL
= VIH or VIL