AS4C8M16S-7TCN ALLIANCE MEMORY, AS4C8M16S-7TCN Datasheet - Page 44

• 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 36.1. Full Page Read Cycle
FEBRUARY 2011
CLK
CKE
CS#
RAS#
CAS#
WE#
BA0,1
A10
A0-A9,
A11
DQM
DQ
Hi-Z
Activate
Cammand
Bank A
High
RAx
RAx
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Read
Command
Bank A
CAx
Activate
Cammand
Bank B
RBx
RBx
Ax
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Ax+1
Ax+2
Full Page burst operation does not
terminate when the burst length is satisfied;
the burst counter increments and continues
bursting beginning with the starting address
(Burst Length=Full Page, CAS# Latency=2)
Ax-2
Ax-1 Ax Ax+1 Bx Bx+1 Bx+2
Read
Command
Bank B
CBx
44
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Bx+3 Bx+4
Burst Stop
Command
Bx+5
Precharge
Command
Bank B
Bx+6
Don’t Care
t
RP
AS4C8M16S
Activate
Command
Bank B
RBy
RBy