AS4C8M16S-7BCN Alliance Memory, AS4C8M16S-7BCN Datasheet - Page 40
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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 33. Interleaved Column Write Cycle
BA0,1
A0-A9,
A11
CLK
A10
CS#
RAS#
DQM
CKE
WE#
DQ
CAS#
FEBRUARY 2011
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
Cammand
Activate
Bank A
RAx
RAx
t
t
RRD
RCD
>t
RRD(min)
Write
Command
Bank A
CAx
DAx0 DAx1 DAx2 DAx3 DBw0 DBw1 DBx0 DBx1 DBy0 DBy1 DAy0 DAy1 DBz0
Activate
Command
Bank B
RBw
RBw
Write
Command CommandCommand CommandCommand
Bank B
CBw
Write
Bank B
CBx
(Burst Length=4)
Write
Bank B
40
CBy
Write
Bank A
CAy
Write
Bank B
t
CBz
WR
Precharge
Command
Bank A
DBz1
DBz2 DBz3
Don’t Care
t
WR
AS4C8M16S
AS4C8M16S
Command
Precharge
Bank B