IS42S32200E-7BL-TR ISSI, Integrated Silicon Solution Inc, IS42S32200E-7BL-TR Datasheet - Page 38

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

Specifications of IS42S32200E-7BL-TR

• 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

IS42S32200E, IS45S32200E
Notes:
1. If CS is High at clock High time, all commands applied are NOP.
2. The Mode Register may be loaded prior to the Auto-Refresh cycles, if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after the command is issued.
38
INITIALIzE AND LOAD MODE REGISTER
DQM0-DQM3
COMMAND
BA0, BA1
A0-A9
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
T
CKS
CMS
NOP
T0
t
t
CKH
CMH
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMS
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMH
t
RP
t
CMS
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMH
t
CH
NOP
t
RFC
(1)
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
Integrated Silicon Solution, Inc. — www.issi.com
NOP
t
RFC
t
t
Load MODE
REGISTER
AS
AS
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
AH
AH
t
Tp+2
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
07/12/2010
Rev. D