ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 30

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

IC42S16400
AC Parameters for Write Timing (2 of 2)
BS1=”L”, Bank C,D = Idle
30
ADD
*BS0
DQM
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
t
CH
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22 T23
t
CKS
t
CL
t AS
Activate
Command
Bank A
t
CMS
t
t AH
CMH
t RCD
Auto Precharge
Command
t
Write with
t
CK3
RRD
Bank A
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1 QBa2 QBa3
Activate
Command
Bank B
RC
Auto Precharge
Command
Write with
Bank B
Begin Auto Precharge
Bank A
t
DAL
Activate
Command
Bank A
Begin Auto Precharge
Bank B
Write without
Auto Precharge
Command
Bank A
t DS
QAb0 QAb1 QAb2 QAb3
t
DH
Burst Length=4, CAS Latency=3
Integrated Circuit Solution Inc.
t
DPL
Precharge
Command
Bank A
t
RP
Command
DR034-0E 12/02/2003
Activate
Bank A
t
CKH