ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 29

• Manufacturer Part Number: ic42s16400
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400
AC Parameters for Write Timing (1 of 2)
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
DR034-0E 12/02/2003
*BS0
DQM
DQ
CLK
CKE
RAS
CAS
A10
CS
WE
ADD
t
CH
t
T0 T1 T2 T3 T4 T5
CKS
t
CL
t AS
Activate
Command
Bank A
t
CMS
t RCD
t
CMH
Auto Precharge
t AH
Command
Write with
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1 QBa2 QBa3 QAb0 QAb1 QAb2 QAb3
Bank A
t
t
CK2
RRD
t RC
Activate
Command
Bank B
T6 T7 T8
Auto Precharge
Command
Write with
Bank B
Begin Auto Precharge
Bank A
t DAL
T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Activate
Command
Bank A
Write without
Auto Precharge
Command
Bank A
Begin Auto Precharge
Bank B
t DS
t
DH
t
DPL
Precharge
Command
Bank A
Burst Length=4, CAS Latency=3
t
RP
Command
Activate
Bank A
t
CKH
Command
Activate
Bank B
29