English
Language : 

IC42S32400 Datasheet, PDF (16/62 Pages) Integrated Circuit Solution Inc – 1M x 32 Bit x 4 Banks (128-MBIT) SDRAM
IC42S32400
IC42S32400L
CLK
CKE
CS#
RAS#
CAS#
WE#
ADDR.
DQM
DQ Hi-Z
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
tCK2
Clock min.
Address Key
tRP
Precharge All
Mode Register Any
Set Command Command
Mode Register Set Cycle
The mode register is divided into various fields depending on functionality.
Address BS0,1 A11/A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Function
RFU*
WBL Test Mode
CAS Latency
BT
Burst Length
*Note:RFU (Reserved for future use)should stay 0 during MRS cycle.
• Burst Length Field (A2~A0)
This field specifies the data length of column access using the A2~A0 pins and selects the Burst Length to be
2,4,8,or full page.
A2 A1
A0 Burst Length
00
0
1
00
1
2
01
0
4
01
1
8
10
0
Reserved
10
1
Reserved
11
0
Reserved
11
1
Full Page
16
Integrated Circuit Solution Inc.
DR038-0C 02/01/2005