IS42S32800B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7BL Datasheet - Page 58

• Manufacturer Part Number: IS42S32800B-7BL
• Description: IC, SDRAM, 256MBIT, 143MHZ, BGA-90
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32800B-7BL

• Memory Type: DRAM - Sychronous
• Access Time: 7ns
• Page Size: 256Mbit
• Ic Interface Type: Parallel
• Memory Case Style: BGA
• No. Of Pins: 90
• Operating Temperature Range: 0°C To +70°C
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800B
58
Figure 24.2.Precharge Termination of a Burst
BS0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
A10
DQ
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
(Burst Length=8 or Full Page,CAS#Latency=2)
t
CK2
Command
Bank A
DAx0 DAx1 DAx2 DAx3
Write
CAx
Precharge Termination
Write data is masked.
of a Write Burst.
t
Precharge
Command
WR
Bank A
t
RP
Command
Activate
Bank A
RAy
RAy
Command
Bank A
CAy
Read
Ay0
Precharge
Command
Bank A
Ay1
t
RP
Ay2
Command
Activate
Bank A
RAz
RAz
Command
Integrated Silicon Solution, Inc.
Bank A
CAz
Read
Precharge Termination
of a Read Burst.
Az0
Precharge
Command
Bank A
Az1
t
RP
Az2
07/21/09
Rev. F