T4312816A Taiwan Memory Technology, T4312816A Datasheet - Page 28

• Manufacturer Part Number: T4312816A
• Description: 8M x 16 SDRAM
• Manufacturer: Taiwan Memory Technology

tm
Mode Register Set Cycle
*Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
*Note : 1. CS , RAS , CAS & WE activation at the same clock cycle with address key will set internal
TM Technology Inc. reserves the right
to change products or specifications without notice.
C L O C K
A D D R
C K E
R A S
C A S
D Q M
W E
C S
D Q
MODE REGISTER SET CYCLE
2. Minimum 2 clock cycles should be met before new RAS activation.
3. Please refer to Mode Register Set table.
0
mode register.
CH
TE
1
K e y
M R S
2
* N o te 1
* N o te 3
H IG H
* N o te 2
H i-z
3
N e w C o m m a n d
K e y
4
5
6
0
P.28
Auto Refresh Cycle
1
A u to R e fre sh
2
H i-z
H IG H
3
Preliminary T4312816A
4
5
t
R P C
Publication Date: APR. 2003
6
S S
S S
S S
S S
S S
S S
S S
S S
S S
S S
S S
S S
S S
S S
7
8
9
N e w C o m m a n d
Revision: 0.B
:D o n 't c a re
1 0