ic42s32400 ETC-unknow, ic42s32400 Datasheet - Page 16

• Manufacturer Part Number: ic42s32400
• Description: 1m X 32 Bit X 4 Banks 128-mbit Sdram
• Manufacturer: ETC-unknow

IC42S32400
IC42S32400L
16
•
CAS#
ADDR.
RAS#
DQM
CKE
CS#
WE#
CLK
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.
DQ
*Note:RFU (Reserved for future use)should stay 0 during MRS cycle.
The mode register is divided into various fields depending on functionality.
Function
Address BS0,1 A11/A10
Hi-Z
A2
0
0
0
0
1
1
1
1
T0
RFU*
A1
0
0
1
1
0
0
1
1
t CK2
T1
Precharge All
0
1
0
1
1
0
1
A0
0
WBL
A9
T2
Burst Length
1
2
4
8
Reserved
Reserved
Reserved
Full Page
t
Mode Register
Address Key
RP
Set Command
Mode Register Set Cycle
Test Mode
A8
T3
Clock min.
A7
T4
Any
Command
A6
T5
CAS Latency
A5
T6
A4
T7
BT
A3
T8
Integrated Circuit Solution Inc.
A2
T9
Burst Length
A1
T10
DR038-0C 02/01/2005
A0