MSM5718C50 查看數據表（PDF） - Oki Electric Industry

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MSM5718C50

18Mb (2M x 9) & 64Mb (8M x 8) Concurrent RDRAM

Oki Electric Industry 

¡ Semiconductor

SIN SOUT RXCLK ADDRESS COMMAND

(BUSENABLE) (BUSCTRL)

1 1 1 11

DQ8, DQ7,...DQ0

(BUSDATA[8:0])

9

Initialize/Powerdown

1 11 9

1:8 Demux

MSM5718C50/MD5764802

TXCLK

1

91

8:1 Mux

DIN

REQ

DEVICETYPE Register

RSTRB, RTERM DEVICEID Register

WSTRB, WTERM

88 CKE, RESET

MODE Register

Control Logic

d64/72:

64b for 64M

72b for 18M

64/72

DOUT

REFROW Register

RASINTERVAL Register

DEVICEMFGR Register

64/72

64/72

64/72d

MASK Register

64/72d

64/72 ¥ 256 Page

64/72 ¥ 256

64/72d

64/72 ¥ 256 Page

64/72 ¥ 256

64/72d

64/72 ¥ 256a Page

64/72 ¥ 256a

64/72d

64/72 ¥ 256a Page

64/72 ¥ 256a

64/72 ¥ 256 ¥ 1024

Bank 3c

64/72 ¥ 256 ¥ 1024

Bank 2c

c4 banks per RDRAM for 64M

64/72 ¥ 256a ¥ 512b

Bank 1

64/72 ¥ 256a ¥ 512b

Bank 0

a256 octbytes per row for 18M

b512 rows per bank for 18M

64/72 ¥ 256a ¥ 512b

Bank 1

64/72 ¥ 256a ¥ 512b

Bank 0

a256 octbytes per row for 64M

b1024 rows per bank for 64M

Fig. 3 18/64-Mbit Concurrent RDRAM Block Diagram

6/45

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