參數(shù)資料
型號: HB52R329E22
廠商: Hitachi,Ltd.
英文描述: 256 MB Registered SDRAM DIMM(256 MB 寄存同步DRAM DIMM)
中文描述: 注冊使用256 MB SDRAM的內存(256 MB的寄存同步的DRAM內存)
文件頁數(shù): 5/67頁
文件大?。?/td> 630K
代理商: HB52R329E22
HB52R329E22-D
5
Pin Description
Pin name
Function
A0 to A11
Address input
Row address
A0 to A11
Column address A0 to A9
A13/A12
Bank select address
BA0/BA1
DQ0 to DQ63
Data input/output
CB0 to CB7
S0
to
S3
RE
CE
W
Check bit (Data input/output)
Chip select input
Row enable (RAS) input
Column enable (CAS) input
Write enable input
DQMB0 to DQMB7
Byte data mask
CK0 to CK3
Clock input
CKE0
Clock enable input
WP
Write protect for serial PD
REGE*
1
Register enable
SDA
Data input/output for serial PD
SCL
Clock input for serial PD
SA0 to SA2
Serial address input
V
CC
V
SS
NC
Note:
Primary positive power supply
Ground
No connection
1. REGE is the Register Enable pin which permits the DIMM to operate in “buffered” mode and
“registered” mode. To conform to this specification, mother boards must pull this pin to high
state (“registered” mode).
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參數(shù)描述
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