TE
tmCH
T436416A
Active/ Precharge Power Down Mode @ CAS latency = 2, Butsr length = 4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
S S
C L O C K
C K E
C S
S S
S S
*N ote2
tss
tss
tss
*N ote1
S S
*N ote3
S S
S S
S S
S S
S S
S S
S S
S S
R A S
C A S
A D D R
B A
S S
S S
S S
S S
S S
S S
S S
S S
R a
C a
S S
S S
S S
S S
S S
S S
S S
S S
A 10/A P
D Q
R a
tSH Z
S S
S S
Q a0 Q a1 Q a2
S S
S S
S S
S S
W E
S S
S S
S S
S S
D Q M
R o w A ctiv e
R ead
P recharge
P ow er-
P recharge
A ctive
A ctive
P ow er-
D ow n E xit
P recharge
P ow er-
P ow er-
D ow n E ntry
D ow n E ntry
D ow n E xit
:D on't care
*Note : 1. Both banks should be in idle state prior to entering precharge power down mode.
2. CKE should be set high at least 1CLK+tSS prior to Row active command.
3. Can not violate minimum refresh specification.(64ms)
TM Technology Inc. reserves the right
to change products or specifications without notice.
P.26
Publication Date: MAY. 2003
Revision: B
TMT [ TAIWAN MEMORY TECHNOLOGY ]
