IS42S32800B-6BL

IS42S32800B-6BL Datasheet


IS42S32800B

Part Datasheet
IS42S32800B-6BL IS42S32800B-6BL IS42S32800B-6BL (pdf)
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IS42S32800B
2M Words x 32 Bits x 4 Banks 256-MBIT SYNCHRONOUS DYNAMIC RAM

JULY 2009
• Concurrent auto precharge
• Clock rate:166/143 MHz
• Fully synchronous operation
• Internal pipelined architecture
• Four internal banks 2M x 32bit x 4bank
• Programmable Mode
-CAS#Latency:2 or 3 -Burst Length:1,2,4,8,or full page -Burst Type:interleaved or linear burst -Burst-Read-Single-Write
• Burst stop function
• Individual byte controlled by DQM0-3
• Auto Refresh and Self Refresh
• 4096 refresh cycles/64ms 15.6µs/row
• 4096 refresh cycles/32ms for industrial grade
• Single +3.3V ±0.3V power supply
• Interface:LVTTL
• Package 86 Pin TSOP-2,0.50mm Pin Pitch
8x13mm, 90 Ball LF-BGA, Ball pitch 0.8mm
• Pb-free package is available.

The ISSI IS42S32800B is a high-speed CMOS configured as a quad 2M x 32 DRAM with a synchronous interface all signals are registered on the positive edge of the clock signal,CLK .

Each of the 2M x 32 bit banks is organized as 4096 rows by 512 columns by 32 bits.Read and write accesses start at a selected locations in a programmed sequence. Accesses begin with the registration of a BankActive command which is then followed by a Read or Write command

The ISSI IS42S32800B provides for programmable Read or Write burst lengths of 1,2,4,8,or full page, with a burst termination operation. An auto precharge function may be enable to provide a self-timed row precharge that is initiated at the end of the burst sequence.The refresh functions, either Auto or Self Refresh are easy to use.

By having a programmable mode register,the system can choose the most suitable modes to maximize its performance.

These devices are well suited for applications requiring high memory bandwidth.

Integrated Silicon Solution, Inc.
07/21/09

IS42S32800B

FUNCTIONAL BLOCK DIAGRAM

CS# RAS# CAS# WE#

CLOCK BUFFER

COMMAND DECODER

A10/AP

COLUMN C O U N TE R

CONTROL SIGNAL

G E N E R AT O R

MODE REGISTER

A9 A 11 BS0 BS1

ADDRESS BUFFER

REFRESH COUNTER

DQ0 D Q 31

DQ BUFFER

DQM0~3

Row Decoder

Row Decoder

Row Decoder

Row Decoder

Column Decoder 4096 X 512 X 32 CELL ARRAY BANK #0 Sense Amplifier

Sense Amplifier 4096 X 512 X 32

CELL ARRAY BANK #1

Col um n Decoder

Column Decoder 4096 X 512 X 32 CELL ARRAY BANK #2 Sense Amplifier

Sense Amplifier 4096 X 512 X 32

CELL ARRAY BANK #3

Column Decoder
ORDERING INFORMATION

Commercial Range 0°C to +70°C

Frequency 166 MHz 166 MHz 166 MHz 166 MHz 143 MHz 143 MHz 143 MHz 143 MHz

Speed ns 6 7

Order Part No. IS42S32800B-6T IS42S32800B-6TL IS42S32800B-6B IS42S32800B-6BL IS42S32800B-7T IS42S32800B-7TL IS42S32800B-7B IS42S32800B-7BL

Package 400 mil TSOP-II 400 mil TSOP-II, Lead-free 8 x13mm BGA 8 x13mm BGA, Lead-free 400 mil TSOP-II 400 mil TSOP-II, Lead-free 8 x13mm BGA 8 x13mm BGA, Lead-free

Industrial Range -40°C to +85°C

Frequency

Speed ns
166 MHz
166 MHz
166 MHz
166 MHz
143 MHz
143 MHz
143 MHz
143 MHz

Order Part No. IS42S32800B-6TI IS42S32800B-6TLI IS42S32800B-6BI IS42S32800B-6BLI IS42S32800B-7TI IS42S32800B-7TLI IS42S32800B-7BI IS42S32800B-7BLI

Package 400 mil TSOP-II 400 mil TSOP-II, Lead-free 8 x13mm BGA 8 x13mm BGA, Lead-free 400 mil TSOP-II 400 mil TSOP-II, Lead-free 8 x13mm BGA 8 x13mm BGA, Lead-free

Integrated Silicon Solution, Inc.
07/21/09

Integrated Silicon Solution, Inc.

NOTE :

Controlling dimension mm

Dimension D and E1 do not include mold protrusion

Dimension b does not include dambar protrusion/intrusion.

Formed leads shall be planar with respect to one another within 0.1mm
at the seating plane after final test.

IS42S32800B
09/26/2006
07/21/09
07/21/09

Integrated Silicon Solution, Inc.

IS42S32800B D1

NOTE :

CONTROLLING DIMENSION MM Reference document JEDEC MO-207
08/14/2008
More datasheets: IS42S32800B-7TLI-TR | IS42S32800B-7TL | IS42S32800B-7T | IS42S32800B-7BL | IS42S32800B-6B-TR | IS42S32800B-6TL-TR | IS42S32800B-6TL | IS42S32800B-6T-TR | IS42S32800B-6T | IS42S32800B-6BL-TR


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Datasheet ID: IS42S32800B-6BL 639294