AS4C8M16S-7BCN Alliance Memory, AS4C8M16S-7BCN Datasheet - Page 43
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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 35. Auto Precharge after Write Burst
A0-A9,
A11
CLK
CKE
CS#
RAS#
CAS#
WE#
A10
DQM
DQ
BA0,1
FEBRUARY 2011
Hi-Z
High
Activate
Cammand
Bank A
RAx x
RAx
T0
T1
T2 T3
Write
Command
Bank A
DAx0 DAx1 DAx2 DAx3 DBx0
CAx
Activate
Command
Bank B
RBx
RBx
T4
T5
Write with
Auto Precharge
Command
Bank B
T6
CBx
T7
DBx1 DBx2 DBx3 DAy0 DAy1 DAy2 DAy3
T8
T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Write with
Auto Precharge
Command
Bank A
CAy
43
Begin Auto
Precharge
Bank B
(Burst Length=4)
t
DAL
Activate
Command
Bank B
RBy
RBy
Begin Auto
Precharge
Bank A
Write with
Auto Precharge
Command
Bank B
DBy0
CBy
Rev 1.0
Don’t Care
DBy1 DBy2 DBy3
AS4C8M16S