HYR1812840G-845 datasheet(6/14 Pages) INFINEON

Part #	HYR1812840G-845

Description	Direct RDRAM RIMM Modules (with 288 Mbit RDRAMs)

Download	14 Pages

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Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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6 / 14 page

HYR16xx40G / HYR18xx40G

Rambus RIMM Modules

INFINEON Technologies

6

7.01

LDQB8 …

LDQB0

B32, A32, B30, A30, B28,

A28, B26, A26, B24

I/O

RSL

Data bus B. A 9-bit bus carrying a

byte of read or write data between

the Channel and the RDRAM.

LDQB8 is non-functional on

modules with x16 RDRAM devices.

LROW2 …

LROW0

B16, A18, B18

I

RSL

Row bus. 3-bit bus containing

control and address information for

row accesses.

LSCK

A34

I

V

CMOS

Serial Clock input. Clock source

used to read from and write to the

RDRAM control registers.

N.C.

A16, B14, A38, B38, A40,

B40, A77, B79;A43, B43,

A44, B44, A45, B45, A46,

B46, A47, B47, A48, B48,

A49, B49, A50, B50

––

These pads are not connected.

These connector pads are reserved

for future use.

RCFM

B83

I

RSL

Clock from master. Interface clock

used for receiving RSL signals from

the Channel. Positive polarity.

RCFMN

B81

I

RSL

Clock from master. Interface clock

used for receiving RSL signals from

the Channel. Negative polarity.

RCMD

B59

I

V

CMOS

Serial Command Input used to read

from and write to the control

registers. Also used for power

management.

RCOL4 …

RCOL0

A73, B73, A71, B71, A69

I

RSL

Column bus. 5-bit bus containing

control and address information for

column accesses.

RCTM

A79

I

RSL

Clock to master. Interface clock

used for transmitting RSL signals to

the Channel. Positive polarity.

RCTMN

A81

I

RSL

Clock to master. Interface clock

used for transmitting RSL signals to

the Channel. Negative polarity.

RDQA8 …

RDQA0

A91, B91, A89, B89, A87,

B87, A85, B85, A83

I/O

RSL

Data bus A. A 9-bit bus carrying a

byte of read or write data between

the Channel and the RDRAM.

RDQA8 is non-functional on

modules with x16 RDRAM devices.

Module Connector Pad Description (cont’d)

Signal

Module Connector Pads

I/O

Type

Description

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