AS4C8M16S-7BCN Alliance Memory, AS4C8M16S-7BCN Datasheet - Page 32

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

Specifications of AS4C8M16S-7BCN

• Rohs: yes
• Data Bus Width: 16 bit
• Organization: 8 M x 16
• Memory Size: 128 MB
• Maximum Clock Frequency: 143 MHz
• Access Time: 5 ns, 5.4 ns
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V
• Maximum Operating Current: 120 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT

Figure 28. Random Column Write (Page within same Bank)
A0-A9,
A11
CLK
CKE
CS#
A10
DQM
RAS#
DQ
CAS#
WE#
BA0,1
FEBRUARY 2011
Hi-Z
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Activate
Cammand
Bank B
(Burst Length=4)
RBw x
RBw
Write
Command
Bank B
DBw0 DBw1 DBw2 DBw3
DBy3
CBw
Write
Command Command
Bank B
CBx
DBx0 DBx1 DBy0 DBy1 DBy2
Write
Bank B
CBy
32
Precharge
Command
Bank B
Activate
Command
Bank B
RBz
RBz
Don’t Care
AS4C8M16S
Write
Command
Bank B
DBz0 DBz1
CBz