AS4C16M16SA
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
CLK
CKE
CS#
tMRD
RAS#
CAS#
WE#
BA0,1
A10
Address Key
A0-A9,
A11-A12
DQM
DQ
tRP
Hi-Z
PrechargeAll
Mode Register
Set Command
Any
Command
Don’t Care
Figure 15. Mode Register Set 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.
Table 6. Burst Length Field
A2
0
A1
0
A0
0
Burst Length
1
0
0
1
2
0
1
0
4
0
1
1
8
1
0
0
Reserved
Reserved
Reserved
Full Page
1
0
1
1
1
0
1
1
1
Full Page Length: 512
Burst Type Field (A3)
The Addressing Mode can be one of two modes, Interleave Mode or Sequential Mode. Sequential Mode
supports burst length of 1, 2, 4, 8, or full page, but Interleave Mode only supports burst length of 4 and 8.
Table 7. Addressing Mode Select Field
A3
0
Burst Type
Sequential
Interleave
1
Confidential
13
Rev. 2.0 63nm Mar /2014
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
