參數(shù)資料
型號: K4S643232C-TC70
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Low Noise Precision Advanced LinCMOS(TM) Single Operational Amplifier 8-CDIP -55 to 125
中文描述: 200萬× 32內(nèi)存為512k × 32 × 4銀行同步DRAM LVTTL
文件頁數(shù): 24/43頁
文件大小: 1155K
代理商: K4S643232C-TC70
K4S643232C
CMOS SDRAM
REV. 1.1 Nov. '99
- 24
FUNCTION TRUTH TABLE (TABLE 2)
Current
State
CS
RAS
CAS
WE
ADDR
ACTION
Note
X
H
L
L
L
L
X
X
H
L
L
L
L
X
X
H
L
L
L
L
L
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RA
X
OP Code
X
X
X
X
X
Self
Refresh
INVALID
Exit Self Refresh --> Idle after t
RFC
(ABI)
Exit Self Refresh --> Idle after t
RFC
(ABI)
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Exit Power Down --> ABI
Exit Power Down --> ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Low Power Mode)
Refer to Table 1
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
Row (& Bank) Active
Enter Self Refresh
Mode Register Access
NOP
Refer to Operations in Table 1
Begin Clock Suspend next cycle
Exit Clock Suspend next cycle
Maintain Clcok Suspend
X
X
H
H
H
L
X
X
X
H
H
H
L
X
X
X
H
H
H
L
L
L
X
X
X
X
X
X
X
H
H
L
X
X
X
X
H
H
L
X
X
X
X
H
H
L
H
L
L
X
X
X
X
X
X
X
H
L
X
X
X
X
X
H
L
X
X
X
X
X
H
L
X
H
H
L
X
X
X
X
X
6
6
7
7
8
8
8
9
9
All
Banks
Idle
*Note :
6. CKE low to high transition is asynchronous.
7. CKE low to high transition is asynchronous if restarts internal clock.
A minimum setup time 1CLK + t
SS
must be satisfied before any command other than exit.
8. Power down and self refresh can be entered only from the both banks idle state.
9. Must be a legal command.
Abbreviations : ABI = All Banks Idle, RA = Row Address
CKE
(n-1)
H
L
L
L
L
L
L
H
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
H
H
L
L
X
H
H
H
H
H
L
X
H
H
H
H
H
L
H
L
L
L
L
L
L
L
L
H
L
H
L
CKE
n
All
Banks
Precharge
Power
Down
Any State
other than
Listed
above
相關PDF資料
PDF描述
K4S643232E 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
K4S643232E-TE70 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL(3.3V)
K4S643232E-TC45 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
K4S643232E-TC50 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
K4S643232E-TC55 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
相關代理商/技術(shù)參數(shù)
參數(shù)描述
K4S643232C-TC70000 制造商:Samsung SDI 功能描述:DRAM Chip SDRAM 64M-Bit 2Mx32 3.3V 86-Pin TSOP-II Tray
K4S643232C-TC80 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
K4S643232C-TC8000 制造商:Samsung Semiconductor 功能描述:
K4S643232C-TL10 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL
K4S643232C-TL55 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL