IS42S32800B-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7TL Datasheet - Page 51

• Manufacturer Part Number: IS42S32800B-7TL
• Description: IC, SDRAM, 256MBIT, 143MHZ, TSOP-86
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32800B-7TL

• Memory Type: DRAM - Sychronous
• Access Time: 7ns
• Page Size: 256Mbit
• Memory Case Style: TSOP
• No. Of Pins: 86
• Operating Temperature Range: -40°C To +85°C
• Frequency: 143MHz
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800B
Integrated Silicon Solution, Inc.
Rev. F
07/21/09
Figure 18.2.Full Page Read Cycle (Burst Length=Full Page,CAS#Latency=2)
BS0,1
CAS#
A0-A9
RAS#
DQM
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
High
Command
Activate
Bank A
RAx
RAx
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
Command
Bank A
CK2
Read
CAx
Command
Activate
Bank B
RBx
RBx
Ax
Ax+1 Ax+2 Ax-2 Ax- 1
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Command
Bank B
Read
CBx
Ax
Ax+1 Bx
Full Page burst operation does not
term in ate when the burst length is sat is fied;
the burst counter increments and continues
bursting beginning with the starting address.
Bx+1
B
x+2
Bx+3 Bx+4
Burst Stop
Command
Bx+5
Precharge
Command
Bank B
Bx+6
t
RP
Command
Activate
Bank B
RBy
RBy
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