IS42S32800D-6BI-TR ISSI, Integrated Silicon Solution Inc, IS42S32800D-6BI-TR Datasheet - Page 2

• Manufacturer Part Number: IS42S32800D-6BI-TR
• Description: IC SDRAM 256MBIT 166MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S32800D-6BI-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 90-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S32800D
2
FUNCTIONAL BLOCK DIAGRAM
A 1 0 / A P
A 0
A 9
A 1 1
B S 0
B S 1
CLK
C K E
C S #
R A S #
C A S #
W E #
D Q 0
D Q 31
C O U N TE R
A D D R E S S
D E C O D E R
COLUMN
COMMAND
R E F R E S H
C O U N T E R
B U F F E R
B U F F E R
C L O C K
B U F F E R
D Q M 0 ~ 3
G E N E R AT O R
D Q
C O N T R O L
R E G I S T E R
S I G N A L
M O D E
Integrated Silicon Solution, Inc. — www.issi.com
C o l u m n D e c o d e r
4 0 9 6 X 5 1 2 X 3 2
4 0 9 6 X 5 1 2 X 3 2
Column Decoder
Col um n
Sense
4096 X 512 X 32
C E L L A R R AY
Sense
Column
C E L L A R R AY
Sense Amplifier
Sense
CELL ARRAY
4096 X 512 X 32
( B A N K # 0 )
( B A N K # 1 )
(BANK #2)
CELL ARRAY
(BANK #3)
Amplifier
Amplifier
Amplifier
Decoder
Decoder
Rev. 00B
11/21/07