IC42S16800D-7TL ISSI [Integrated Silicon Solution, Inc], IC42S16800D-7TL Datasheet - Page 22

• Manufacturer Part Number: IC42S16800D-7TL
• Description: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S81600D,
AUTO-REFRESH CYCLE
22
Notes:
1. CAS latency = 2, 3
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
SINGLE BANK
t
ALL BANKS
t
PRECHARGE
CKS
CMS
t
High-Z
AS
BANK
T0
IS42S16800D
t
t
CKH
t
CMH
AH
(s)
t
CK
NOP
t
T1
RP
t
CL
Refresh
T2
Auto
t
CH
NOP
t
RC
Integrated Silicon Solution, Inc. — www.issi.com
Tn+1
Refresh
Auto
NOP
t
RC
ACTIVE
BANK
ROW
ROW
To+1
DON'T CARE
07/28/08
Rev. E