HYB39S256400T-10 datasheet(4/56 Pages) SIEMENS

Part #	HYB39S256400T-10

Description	256 MBit Synchronous DRAM

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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HYB 39S256400/800/160T

256 MBit Synchronous DRAM

Semiconductor Group

4

1998-10-01

Block Diagram for 64 M

× 4 SDRAM (13/11/2 addressing)

A0 - A9, A11, AP

BA0, BA1

Column Addresses

Address Buffer

Column

Address Counter

Column

A0 - A12,

BA0, BA1

Row Addresses

Row Address

Buffer

Counter

Refresh

8196 x

Bank 3

Decoder

Array

Memory

Row

Bank 2

8196 x

Row

Decoder

Array

Memory

2048 x

4 Bit

8196 x

Bank 0

Bank 1

8196 x

Row

Memory

Array

Decoder

Row

Decoder

Array

Memory

Input Buffer

Output Buffer

DQ0 - DQ3

Control Logic & Timing Generator

CLK CKE CS RAS CAS WE DQM

VREF*)

*) on SSTL versions only

SPB03781

2048 x

4 Bit

2048 x

4 Bit

2048 x

4 Bit

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HYB39S256400T-10 Datasheet(PDF) 4 Page - Siemens Semiconductor Group

HYB39S256400T-10 Datasheet(HTML) 4 Page - Siemens Semiconductor Group

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