MC-458CB647PFA-A75 datasheet(9/16 Pages) NEC

部件名	MC-458CB647PFA-A75

功能描述	8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

Download	16 Pages

Scroll/Zoom	100%

制造商	NEC [NEC]

网页	http://www.nec.com/

标志

9 / 16 page

Data Sheet M14279EJ3V0DS00

9

MC-458CB647

Asynchronous Characteristics

Parameter

Symbol

-A 75

Unit

Note

MIN.

MAX.

ACT to REF/ACT command period (operation)

tRC

67.5

ns

REF to REF/ACT command period (refresh)

tRC1

67.5

ns

ACT to PRE command period

tRAS

45

120,000

ns

PRE to ACT command period

tRP

20

ns

Delay time ACT to READ/WRITE command

tRCD

20

ns

ACT(one) to ACT(another) command period

tRRD

15

ns

Data-in to PRE command period

tDPL

8ns

Data-in to ACT(REF) command

/CAS latency = 3

tDAL3

1CLK+22.5

ns

1

period (Auto precharge)

/CAS latency = 2

tDAL2

1CLK+20

ns

1

Mode register set cycle time

tRSC

2CLK

Transition time

tT

0.5

30

ns

Refresh time (4,096 refresh cycles)

tREF

64

ms

Note This device can satisfy the tDAL3 spec of 1CLK+20 ns for up to and including 125 MHz operation.

5

类似零件编号 - MC-458CB647PFA-A75

制造商	部件名	数据表	功能描述
Elpida Memory	MC-458CB647PFA-A75	145Kb / 16P	8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

More results

类似说明 - MC-458CB647PFA-A75

制造商	部件名	数据表	功能描述
NEC	MC-458CB646	198Kb / 16P	8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-458CB646	149Kb / 16P	8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-458CB647	145Kb / 16P	8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
NEC	MC-45V8AB641	144Kb / 6P	8M-WORD BY 64-BIT VirtualChannel SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
NEC	MC-458CA727	198Kb / 16P	8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-458CA727	156Kb / 16P	8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-458CA726	159Kb / 16P	8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
NEC	MC-458CA726	207Kb / 16P	8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-4532CD647	167Kb / 16P	32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE
Elpida Memory	MC-4532CD646	170Kb / 16P	32M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE