t431616a TM Technology Inc., t431616a Datasheet - Page 24

• Manufacturer Part Number: t431616a
• Description: 1m X 16 Sdram - Taiwan Memory Technology
• Manufacturer: TM Technology Inc.

Read Interrupted by Precharge Command & Read Burst Stop Cycle @ Burst Length=Full Page
*Note : 1. Burst can’t end in full page mode, so auto precharge can’t issue.
Taiwan Memory Technology, Inc. reserves the right P.24
to change products or specifications without notice.
tm
D Q
C L O C K
A 1 0 / A P
A D D R
C K E
R A S
C A S
D Q M
C L = 2
C L = 3
C S
B A
W E
2. About the valid DQs after burst stop, it is same as the case of RAS interrupt.
3. Burst stop is valid at every burst length.
Both cases are illustrated above timing diagram. See the lable 1,2 on them.
But at burst write, burst stop and RAS interrupt should be compared carefully.
Refer the timing diagram of ‘Full Page write burst stop cycle’.
0
R o w A c t i v e
( A - B a n k )
CH
TE
R A a
R A a
1
2
3
R e a d ( A -
C A a
B a n k )
4
5
Q A a 0
6
Q A a 1
Q A a 0
7
Q A a 2
Q A a 1
H I G H
8
B u r s t S t o p
Q A a 3
Q A a 2
9
* N o t e 2
Q A a 4
Q A a 3
1 0
1
R e a d ( A -
C A b
Q A a 4
B a n k )
1 1
2
1 2
Q A b 0
1 3
Q A b 1
Q A b 0
1 4
Q A b 2
Q A b 1
Publication Date: DEC. 2000
1 5
Q A b 3
Q A b 2
1 6
P r e c h a r g e
( A - B a n k )
Q A b 4
Q A b 3
1 7
T431616A
Q A b 5
Q A b 4
1 8
1
Revision: C
Q A b 5
: D o n 't c a r e
1 9
2