AS4C8M16S-7BNTR Alliance Memory, AS4C8M16S-7BNTR Datasheet - Page 21

• Manufacturer Part Number: AS4C8M16S-7BNTR
• Description: DRAM 128Mb, 3.3V, 143Mhz 8M x 16 SDRAM
• Manufacturer: Alliance Memory

Specifications of AS4C8M16S-7BNTR

• Rohs: yes

Timing Waveforms
Figure 19. AC Parameters for Write Timing
A0-A9,
A11
CLK
CKE
CS#
RAS#
CAS#
BA0,1
DQ
WE#
A10
DQM
FEBRUARY 2011
Hi-Z
t
CH
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
IS
Bank A
Activate
Command
t
IS
t
CL
RAx
RAx
t
t
t
IH
IS
IH
t
RCD
Write with
Auto Precharge Command
Command
Bank A
CAx
Ax0 Ax1
Ax3
Activate
Bank B
RBx
RBx
Ax2
t
RC
Begin Auto
Precharge Bank A
Command
Bank B
Write with
Auto Precharge Command
CBx
Bx0
t
DAL
(Burst Length=4)
Bx1
21
Bx2
Activate
Bank A
RAy
RAy
Bx3
Begin Auto
Precharge Bank B
t
IS
Write
Command
Bank A
CAy
Ay0
Ay1
t
IH
Ay2
Don’t Care
Ay3
t
WR
AS4C8M16S
Bank A
Precharge
Command