IS42S32800B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7BL Datasheet - Page 59

• 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
Integrated Silicon Solution, Inc.
Rev. F
07/21/09
Figure 24.3.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
t
CK3
(Burst Length=4,8 or Full Page,CAS#Latency=3)
Write Data
is masked
Command
Bank A
DAx0
Write
CAx
DAx1
t
WR
Precharge
Command
Bank A
Precharge Terminati o n
of a Write Burst
t
RP
Command
Activate
Bank A
RAy
RAy
Command
Bank A
CAy
Read
Precharge
Command
Bank A
Ay0
Ay1
t
RP
Ay2
Command
Activate
Bank A
RAz
RAz
Precharge Terminati o n
of a Read Burst
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