AS4C8M16S-7TCN ALLIANCE MEMORY, AS4C8M16S-7TCN Datasheet - Page 43

• Manufacturer Part Number: AS4C8M16S-7TCN
• Description: DRAM 128M SDRAM 8M X 16 143MHz
• Manufacturer: ALLIANCE MEMORY

Specifications of AS4C8M16S-7TCN

• Data Bus Width: 16 bit
• Organization: 8 M x 16
• Package / Case: TSOP II-54
• Memory Size: 128 Mbit
• Maximum Clock Frequency: 143 MHz
• Access Time: 5.4 ns, 6 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 130 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Details

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