IC42S16800 ICSI [Integrated Circuit Solution Inc], IC42S16800 Datasheet - Page 30

• Manufacturer Part Number: IC42S16800
• Description: 4(2)M x 8(16) Bits x 4 Banks (128-MBIT) SYNCHRONOUS DYNAMIC RAM
• Manufacturer: ICSI [Integrated Circuit Solution Inc]

IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
AC Parameters for Write Timing (1 of 2)
BS1=”L”, Bank C,D = Idle
30
*BS0
DQM
DQ
CLK
CKE
RAS
CAS
A10
CS
ADD
WE
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
QA a 0 QA a 1 QA a 2 QA a 3 QB a 0 QB a 1 QB a 2 QB a 3 QA b 0 QA b 1 QA b 2 QA b 3
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=2
t
RP
Integrated Circuit Solution Inc.
Command
Activate
Bank A
t
CKH
Command
Activate
Bank B
DR023-0E 6/11/2004