MC-4R64CEE6B datasheet(9/16 Pages) NEC

No de pièce	MC-4R64CEE6B

Description	Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT

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Fabricant	NEC [NEC]

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Preliminary Data Sheet M14537EJ1V1DS00

9

MC-4R64CEE6B, 4R64CEE6C

AC Electrical Specifications

Symbol

Parameter and Conditions

MIN.

TYP.

MAX.

Unit

Z

Module Impedance

25.2

28

30.8

Ω

TPD

Average clock delay from finger to finger of all RSL clock nets

-845

1.25

ns

(CTM, CTMN,CFM, and CFMN)

-745

1.25

-653

1.25

∆TPD

Propagation delay variation of RSL signals with respect to TPD

Note1,2

−21

+21

ps

∆TPD-CMOS Propagation delay variation of SCK and CMD signals with respect to

an average clock delay

Note1

−100

+100

ps

Vα/VIN

Attenuation Limit

-845

12

%

-745

12

-653

8

VXF/VIN

Forward crosstalk coefficient

-845

2

%

(300ps input rise time 20% - 80%)

-745

2

-653

2

VXB/VIN

Backward crosstalk coefficient

-845

1.5

%

(300ps input rise time 20% - 80%)

-745

1.5

-653

1.5

RDC

DC Resistance Limit

-845

0.6

Ω

-745

0.6

-653

0.6

Notes 1. TPD or Average clock delay is defined as the average delay from finger to finger of all RSL clock nets (CTM,

CTMN, CFM, and CFMN).

2. If the RIMM module meets the following specification, then it is compliant to the specification.

If the RIMM module does not meet these specifications, then the specification can be adjusted by the

“Adjusted

∆TPD Specification” table.

Adjusted

∆∆∆∆TPD Specification

Symbol

Parameter and conditions

Adjusted MIN./MAX.

Absolute

Unit

MIN.

MAX.

∆TPD

Propagation delay variation of RSL signals with respect to TPD

+/

− [17+(18*N*∆Z0)] Note

−30

+30

ps

Note N = Number of RDRAM devices installed on the RIMM module.

∆Z0 = delta Z0% = (MAX. Z0 − MIN. Z0) / (MIN. Z0)

(MAX. Z0 and MIN. Z0 are obtained from the loaded (high impedance) impedance coupons of all RSL layers

on the module.)

Numéro de pièce similaire - MC-4R64CEE6B

Fabricant	No de pièce	Fiches technique	Description
NEC	MC-4R64CPE6C	130Kb / 6P	Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT
Elpida Memory	MC-4R64CPE6C	173Kb / 16P	Direct Rambus??DRAM RIMM??Module 64M-BYTE (32M-WORD x 16-BIT)
NEC	MC-4R64CPE6C-653	130Kb / 6P	Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT
Elpida Memory	MC-4R64CPE6C-653	173Kb / 16P	Direct Rambus??DRAM RIMM??Module 64M-BYTE (32M-WORD x 16-BIT)
NEC	MC-4R64CPE6C-745	130Kb / 6P	Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT

More results

Description similaire - MC-4R64CEE6B

Fabricant	No de pièce	Fiches technique	Description
Elpida Memory	MC-4R64FKE6D-840	458Kb / 14P	Direct Rambus DRAM RIMM Module 64M-BYTE (32M-WORD x 16-BIT)
NEC	MC-4R64CPE6C	130Kb / 6P	Direct Rambus DRAM RIMM Module 64M-BYTE 32M-WORD x 16-BIT
Elpida Memory	MC-4R64FKE6D	135Kb / 14P	Direct Rambus DRAM RIMM Module 64M-BYTE (32M-WORD x 16-BIT)
	MC-4R64CPE6C	173Kb / 16P	Direct Rambus??DRAM RIMM??Module 64M-BYTE (32M-WORD x 16-BIT)
	MC-4R64FKE8D-840	458Kb / 14P	Direct Rambus DRAM RIMM Module 64M-BYTE (32M-WORD x 18-BIT)
	MC-4R64FKE8D	135Kb / 14P	Direct Rambus DRAM RIMM Module 64M-BYTE (32M-WORD x 18-BIT)
NEC	MC-4R128CEE6B	129Kb / 16P	Direct Rambus DRAM RIMM Module 128M-BYTE 64M-WORD x 16-BIT
Elpida Memory	MC-4R128FKE6D-840	497Kb / 14P	Direct Rambus DRAM RIMM Module 128M-BYTE (64M-WORD x 16-BIT)
	MC-4R128FKE6D	113Kb / 14P	Direct Rambus DRAM RIMM Module 128M-BYTE (64M-WORD x 16-BIT)
	MC-4R128CPE6C	175Kb / 16P	Direct Rambus??DRAM RIMM??Module 128M-BYTE (64M-WORD x 16-BIT)

More results

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