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参数资料
| 型号： | MSC23S4721E |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| 中文描述： | 4194304字× 72位同步动态RAM模块（2BANK）： |
| 文件页数： | 11/11页 |
| 文件大小： | 76K |
| 代理商： | MSC23S4721E |
MSC23S4721E-8BS18 (98.07.17)
Page 11/11
FUNCTION TRUTH TABLE (CKE) (Table2)
Current State (n)
CKEn-1
CKEn
/CS
Self Refresh
H
X
L
H
L
H
L
H
L
H
L
H
L
L
H
X
Power Down
L
H
L
H
L
H
L
H
L
H
L
L
All Banks idle
6
H
H
(ABI)
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
Any State
H
H
Other than
H
L
Listed Above
L
H
L
L
/RAS
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
/CAS
X
X
H
H
/WE
X
X
H
L
X
X
X
X
X
H
L
X
X
X
X
X
H
L
X
L
H
L
X
X
X
X
X
ADDR
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Action
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
INVALID
Exit Self Refresh
ABI
Exit Self Refresh
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Exit Power Down
ABI
Exit Power Down
ABI
ILLEGAL
ILLEGAL
ILLEGAL
6
NOP (Continue power down mode)
Refer to Table 1
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
Refer to Operations in Table 1
Begin Clock Suspend Next Cycle
Enable Clock of Next Cycle
Continue Clock Suspension
L
X
X
X
X
H
H
L
X
X
X
X
H
H
L
H
L
L
X
X
X
X
X
Notes:
6.
Power-down and self refresh can be entered only when all the banks are in an idle state.
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相关代理商/技术参数 |
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| MSC23S4721E-8BS18 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| MSC23T | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576-Word x 72-Bit DRAM MODULE : FAST PAGE MODE TYPE |
| MSC23V13258D | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576,Word X 32 Bit DYNAMIC RAM MODULE |
| MSC23V13258D-XXBS2 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576,Word X 32 Bit DYNAMIC RAM MODULE |
| MSC23V23258D | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:2,097,152 Word X 32 Bit DYNAMIC RAM MODULE |
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