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W9812G6JH
7.11 Burst Stop Command
A Burst Stop Command may be used to terminate the existing burst operation but leave the bank open
for future Read or Write Commands to the same page of the active bank, if the burst length is full page.
Use of the Burst Stop Command during other burst length operations is illegal. The Burst Stop
Command is defined by having RAS and CAS high with CS and WE low at the rising edge of
the clock. The data DQs go to a high impedance state after a delay which is equal to the CAS Latency
in a burst read cycle interrupted by Burst Stop.
7.12 Addressing Sequence of Sequential Mode
A column access is performed by increasing the address from the column address which is input to
the device. The disturb address is varied by the Burst Length as shown in Table 2.
Table 2 Address Sequence of Sequential Mode
DATA
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
ACCESS ADDRESS
n
n+1
n+2
n+3
n+4
n+5
n+6
n+7
BURST LENGTH
BL = 2 (disturb address is A0)
No address carry from A0 to A1
BL = 4 (disturb addresses are A0 and A1)
No address carry from A1 to A2
BL = 8 (disturb addresses are A0, A1 and A2)
No address carry from A2 to A3
7.13 Addressing Sequence of Interleave Mode
A column access is started in the input column address and is performed by inverting the address bit
in the sequence shown in Table 3.
Table 3 Address Sequence of Interleave Mode
DATA
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
ACCESS ADDRESS
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
-9-
BURST LENGTH
BL = 2
BL = 4
BL = 8
Publication Release Date: Jun. 25, 2013
Revision A06
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