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| 型號(hào)： | K7I643684M-FC16 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 72Mb DDRII SRAM Specification |
| 中文描述： | 72Mb SRAM的規(guī)范條DDRII |
| 文件頁(yè)數(shù)： | 9/18頁(yè) |
| 文件大?。?/td> | 424K |
| 代理商： | K7I643684M-FC16 |
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2Mx36 & 4Mx18 DDRII CIO b4 SRAM
K7I643684M
K7I641884M
- 9 -
Rev. 1.3 March 2007
WRITE TRUTH TABLE
(x18)
Notes:
1. X means "Don
′
t Care".
2. All inputs in this table must meet setup and hold time around the rising edge of input clock K or K (
↑
).
3. Assumes a WRITE cycle was initiated.
4. This table illustrates operation for x18 devices.
K
K
BW
0
BW
1
OPERATION
↑
L
L
WRITE ALL BYTEs (K
↑ )
↑
L
L
WRITE ALL BYTEs (K
↑ )
↑
L
H
WRITE BYTE 0 (K
↑ )
↑
L
H
WRITE BYTE 0 (K
↑ )
↑
H
L
WRITE BYTE 1 (K
↑ )
↑
H
L
WRITE BYTE 1 (K
↑ )
↑
H
H
WRITE NOTHING (K
↑ )
↑
H
H
WRITE NOTHING (K
↑ )
WRITE TRUTH TABLE
(x36)
Notes:
1. X means "Don
′
t Care".
2. All inputs in this table must meet setup and hold time around the rising edge of input clock K or K (
↑
).
3. Assumes a WRITE cycle was initiated.
K
K
BW
0
BW
1
BW
2
BW
3
OPERATION
↑
L
L
L
L
WRITE ALL BYTEs (K
↑ )
↑
L
L
L
L
WRITE ALL BYTEs (K
↑ )
↑
L
H
H
H
WRITE BYTE 0 (K
↑ )
↑
L
H
H
H
WRITE BYTE 0 (K
↑ )
↑
H
L
H
H
WRITE BYTE 1 (K
↑ )
↑
H
L
H
H
WRITE BYTE 1 (K
↑ )
↑
H
H
L
L
WRITE BYTE 2 and BYTE 3 (K
↑ )
↑
H
H
L
L
WRITE BYTE 2 and BYTE 3 (K
↑ )
↑
H
H
H
H
WRITE NOTHING (K
↑ )
↑
H
H
H
H
WRITE NOTHING (K
↑ )
TRUTH TABLES
SYNCHRONOUS TRUTH TABLE
Notes:
1. X means "Don
′
t Care".
2. The rising edge of clock is symbolized by (
↑
).
3. Before enter into clock stop status, all pending read and write operations will be completed.
K
LD
R/W
Q
OPERATION
Q(A0)
Q(A1)
Q(A2)
Q(A3)
Stopped
X
X
Previous
state
Previous
state
Previous
state
Previous
state
Clock Stop
↑
H
X
High-Z
High-Z
High-Z
High-Z
No Operation
↑
L
H
Q
OUT
at
C(t+1)
Q
OUT
at
C(t+2)
Q
OUT
at
C(t+2)
Q
OUT
at
C(t+3)
Read
↑
L
L
Din at K(t+1)
Din at K(t+1)
Din at K(t+2)
Din at K(t+2)
Write
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| K7I643684M-FC20 | 72Mb DDRII SRAM Specification |
| K7I643684M-FC25 | 72Mb DDRII SRAM Specification |
| K7I643684M-FC30 | 72Mb DDRII SRAM Specification |
| K7I643684M-FCI16 | 72Mb DDRII SRAM Specification |
| K7I643684M-FECI25 | 72Mb DDRII SRAM Specification |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| K7I643684M-FC20 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:72Mb DDRII SRAM Specification |
| K7I643684M-FC25 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:72Mb DDRII SRAM Specification |
| K7I643684M-FC30 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:72Mb DDRII SRAM Specification |
| K7I643684M-FCI16 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:72Mb DDRII SRAM Specification |
| K7I643684M-FCI20 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:72Mb DDRII SRAM Specification |
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