IS43R16800A-6T ISSI [Integrated Silicon Solution, Inc], IS43R16800A-6T Datasheet - Page 43

• Manufacturer Part Number: IS43R16800A-6T
• Description: 8Meg x 16 128-MBIT DDR SDRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS43R16800A-6
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. 00A
04/04/06
Mode Register Set Cycle
Read/Write Cycle
DQ (output)
DQ (output)
DQ (input)
Address
Address
/RAS
/CAS
DQS
CKE
/RAS
/CAS
/WE
DQS
/CK
/CS
CKE
DM
/WE
CK
BA
/CK
/CS
DM
CK
BA
VIH
Bank 0
Active
R:a
VIH
Precharge
If needed
High-Z
High-Z
valid
0
1
High-Z
tRP
Bank 0
Read
2
C:a
Mode
register
set
code
code
Bank 3
Active
3
R:b
tMRD
4
tRWD
a
Bank 3
Active
R: b
5
6
7
Bank 3
Read
C: b
Bank 3
Write
8
C:b
9
b
Bank 3
Precharge
tWRD
10
b
11
Bank 3
Read
C:b''
12
CL = 2
BL = 4
13
Read cycle
CL = 2
BL = 4
= VIH or VIL
=VIH or VIL
14
b’’
ISSI
15
43
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