AS4C8M16S-7TCN ALLIANCE MEMORY, AS4C8M16S-7TCN Datasheet - Page 24

• 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 22. Power on Sequence and Auto Refresh
CLK
CKE
CS#
RAS#
CAS#
WE#
BA0,1
A10
A0-A9,
A11
DQM
DQ
FEBRUARY 2011
Note(*):The Auto Refresh command can be issue before or after Mode Register Set command
Hi-Z
Inputs must be
Stable for 200 µs
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
High Level
is reguired
Precharge All
Command
t
RP
Address Key
Mode Register
Set Command
t
MRD
1st Auto Refresh
Command
(*)
Minimum for 2 Refresh Cycles are required
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
24
2nd Auto Refresh
Command
(*)
Don’t Care
Any
Command
AS4C8M16S