IS42S32800D-6BL ISSI, Integrated Silicon Solution Inc, IS42S32800D-6BL Datasheet - Page 20
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IS42S32800D-6BL
Manufacturer Part Number
IS42S32800D-6BL
Description
IC SDRAM 256MBIT 166MHZ 90BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Specifications of IS42S32800D-6BL
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
256M (8Mx32)
Speed
166MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
90-BGA
Organization
8Mx32
Density
256Mb
Address Bus
13b
Access Time (max)
6.5/5.4ns
Maximum Clock Rate
166MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
180mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S32800D-6BL
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S32800D-6BL-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S32800D-6BLI
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Part Number:
IS42S32800D-6BLI
Manufacturer:
ISSI
Quantity:
20 000
Company:
Part Number:
IS42S32800D-6BLI-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
IS42S32800D, IS45S32800D
INITIALIzE AND LOAD MODE REGISTER
20
DQM0-DQM3
COMMAND
A0-A9, A11
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.
BA0, BA1
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
CKS
CMH
NOP
T
T0
t
t
CKH
CMS
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMH
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMS
t
RP
t
CMH
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMS
t
CH
NOP
t
RC
(1)
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RC
t
t
t
Load MODE
AS
AS
AS
REGISTER
CODE
CODE
CODE
Tp+1
Integrated Silicon Solution, Inc. - www.issi.com
Program MODE REGISTER
t
t
t
AH
AH
AH
Tp+2
t
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
(2, 3, 4)
12/01/09
Rev. C