AS4C8M16S-7BCN Alliance Memory, AS4C8M16S-7BCN Datasheet - Page 35
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AS4C8M16S-7BCN
Manufacturer Part Number
AS4C8M16S-7BCN
Description
DRAM 128Mb, 3.3V, 143Mhz 8M x 16 SDRAM
Manufacturer
Alliance Memory
Datasheet
1.AS4C8M16S-7BCN.pdf
(53 pages)
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 30. Random Row Write (Interleaving Banks)
WE#
BA0,1
A0-A9,
A11
CLK
CKE
CS#
RAS#
CAS#
A10
DQM
DQ
FEBRUARY 2011
Hi-Z
High
Activate
Cammand
Bank A
* t
RAx
RAx
WR
T0
t
RCD
(Burst Length=8)
> t
T1
WR
T2 T3
(min.)
Write
Command
Bank A
DAx0 DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1 DBx2
CAx
T4
T5
T6
T7
Activate
Command
Bank B
RBx
RBx
T8
T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Write
Command
Bank B
35
CBx
t
WR*
Precharge
Command
Bank A
t
DBx3 DBx4 DBx5 DBx6 DBx7 DAy0 DAy1 DAy2 DAy3
RP
Activate
Command
Bank A
RAy
RAy
t
WR*
Write
Command
Bank A
Don’t Care
CAy
AS4C8M16S
Precharge
Command
Bank B