IS42S32200E-7BL ISSI, Integrated Silicon Solution Inc, IS42S32200E-7BL Datasheet - Page 12

• Manufacturer Part Number: IS42S32200E-7BL
• Description: IC SDRAM 64MBIT 143MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32200E-7BL

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 64M (2Mx32)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-BGA
• Organization: 2Mx32
• Density: 64Mb
• Address Bus: 13b
• Access Time (max): 8/5.5ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TFBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 140mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 706-1079; IS42S32200E-7BL

IS42S32200E, IS45S32200E
12
10. For a READ without auto precharge interrupted by a READ (with or without auto precharge), the READ to bank m will interrupt
11. For a READ without auto precharge interrupted by a WRITE (with or without auto precharge), the WRITE to bank m will inter-
12. For a WRITE without auto precharge interrupted by a READ (with or without auto precharge), the READ to bank m will interrupt
13. For a WRITE without auto precharge interrupted by a WRITE (with or without auto precharge), the WRITE to bank m will inter-
14. For a READ with auto precharge interrupted by a READ (with or without auto precharge), the READ to bank m will interrupt the
15. For a READ with auto precharge interrupted by a WRITE (with or without auto precharge), the WRITE to bank m will interrupt
16. For a WRITE with auto precharge interrupted by a READ (with or without auto precharge), the READ to bank m will interrupt
17. For a WRITE with auto precharge interrupted by a WRITE (with or without auto precharge), the WRITE to bank m will interrupt
8. CONCURRENT AUTO PRECHARGE: Bank n will initiate the AUTO PRECHARGE command when its burst has been inter-
9. Burst in bank n continues as initiated.
rupted by bank m’s burst.
the READ on bank n, CAS latency later (Consecutive READ Bursts).
rupt the READ on bank n when registered (READ to WRITE). DQM should be used one clock prior to the WRITE command to
prevent bus contention.
the WRITE on bank n when registered (WRITE to READ), with the data-out appearing CAS latency later. The last valid WRITE
to bank n will be data-in registered one clock prior to the READ to bank m.
rupt the WRITE on bank n when registered (WRITE to WRITE). The last valid WRITE to bank n will be data-in registered one
clock prior to the READ to bank m.
READ on bank n, CAS latency later. The PRECHARGE to bank n will begin when the READ to bank m is registered (Fig CAP
1).
the READ on bank n when registered. DQM should be used two clocks prior to the WRITE command to prevent bus contention.
The PRECHARGE to bank n will begin when the WRITE to bank m is registered (Fig CAP 2).
the WRITE on bank n when registered, with the data-out appearing CAS latency later. The PRECHARGE to bank n will begin
after t
tered one clock prior to the READ to bank m (Fig CAP 3).
the WRITE on bank n when registered. The PRECHARGE to bank n will begin after t
WRITE to bank m is registered. The last valid WRITE to bank n will be data registered one clock prior to the WRITE to bank m
(Fig CAP 4).
WR
is met, where t
wr
begins when the READ to bank m is registered. The last valid WRITE to bank n will be data-in regis-
Integrated Silicon Solution, Inc. — www.issi.com
wr
is met, where t WR begins when the
07/12/2010
Rev. D