IS42S32800D-7TLI-TR ISSI, Integrated Silicon Solution Inc, IS42S32800D-7TLI-TR Datasheet - Page 37

• Manufacturer Part Number: IS42S32800D-7TLI-TR
• Description: IC SDRAM 256MBIT 143MHZ 86TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32800D-7TLI-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 86-TSOPII
• Organization: 8Mx32
• Density: 256Mb
• Address Bus: 13b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 86
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800D
Figure 10.3.Random Column Write (Page within same Bank)
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00B
11/21/07
BS0,1
A 0-A9
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
Hi-Z
(Burst Length=4,CAS#Latency=3)
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T2 2
Command
Activate
Bank A
RBw
RBw
t
CK3
Command
Bank A
DBw0
CBw
Write
DBw1 DBw2 DBw3
Command
Bank B
DBx0 DBx1
Write
CBx
Command
Bank B
DBy0 DBy1 DBy2 DBy3
Write
CBy
Precharge
Command
Bank B
Command
Activate
Bank B
RBz
RBz
Command
Bank B
DBz0
Write
CBz
DBz1 DBz2
37