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K7A401809A-QC300 PDF预览

K7A401809A-QC300

更新时间: 2023-03-15 00:00:00
品牌 Logo 应用领域
三星 - SAMSUNG 静态存储器
页数 文件大小 规格书
17页 465K
描述
Cache SRAM, 256KX18, 2.2ns, CMOS, PQFP100, 20 X 14 MM, TQFP-100

K7A401809A-QC300 数据手册

 浏览型号K7A401809A-QC300的Datasheet PDF文件第3页浏览型号K7A401809A-QC300的Datasheet PDF文件第4页浏览型号K7A401809A-QC300的Datasheet PDF文件第5页浏览型号K7A401809A-QC300的Datasheet PDF文件第7页浏览型号K7A401809A-QC300的Datasheet PDF文件第8页浏览型号K7A401809A-QC300的Datasheet PDF文件第9页 
K7A403609A  
K7A401809A  
128Kx36 & 256Kx18 Synchronous SRAM  
TRUTH TABLES  
SYNCHRONOUS TRUTH TABLE  
CS1  
H
L
CS2  
X
L
CS2 ADSP ADSC ADV WRITE CLK  
ADDRESS ACCESSED  
N/A  
OPERATION  
Not Selected  
X
X
H
X
H
L
X
L
L
X
X
L
X
X
X
X
X
X
X
X
L
X
X
X
X
X
X
L
N/A  
Not Selected  
L
X
L
L
N/A  
Not Selected  
L
X
X
L
N/A  
Not Selected  
L
X
H
H
H
X
X
X
X
X
X
X
X
L
N/A  
Not Selected  
L
X
L
External Address  
External Address  
External Address  
Next Address  
Next Address  
Next Address  
Next Address  
Current Address  
Current Address  
Current Address  
Current Address  
Begin Burst Read Cycle  
Begin Burst Write Cycle  
Begin Burst Read Cycle  
Continue Burst Read Cycle  
Continue Burst Read Cycle  
Continue Burst Write Cycle  
Continue Burst Write Cycle  
Suspend Burst Read Cycle  
Suspend Burst Read Cycle  
Suspend Burst Write Cycle  
Suspend Burst Write Cycle  
L
L
H
H
H
X
H
X
H
X
H
X
L
L
L
H
H
H
L
X
H
X
H
X
H
X
H
X
X
X
X
X
X
X
X
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
H
L
L
Notes : 1. X means "Don¢t Care".  
2. The rising edge of clock is symbolized by .  
3. WRITE = L means Write operation in WRITE TRUTH TABLE.  
WRITE = H means Read operation in WRITE TRUTH TABLE.  
4. Operation finally depends on status of asynchronous input pins(ZZ and OE).  
WRITE TRUTH TABLE( x36)  
GW  
H
BW  
H
L
WEa  
X
WEb  
X
WEc  
X
WEd  
X
OPERATION  
READ  
H
H
H
H
H
READ  
H
L
L
H
H
H
WRITE BYTE a  
WRITE BYTE b  
WRITE BYTE c and d  
WRITE ALL BYTEs  
WRITE ALL BYTEs  
H
L
H
L
H
H
H
L
H
H
L
L
H
L
L
L
L
L
L
X
X
X
X
X
Notes : 1. X means "Don¢t Care".  
2. All inputs in this table must meet setup and hold time around the rising edge of CLK().  
WRITE TRUTH TABLE(x18)  
GW  
H
BW  
H
L
WEa  
X
WEb  
X
OPERATION  
READ  
H
H
H
READ  
H
L
L
H
WRITE BYTE a  
WRITE BYTE b  
WRITE ALL BYTEs  
WRITE ALL BYTEs  
H
L
H
L
H
L
L
L
L
X
X
X
Notes : 1. X means "Don¢t Care".  
2. All inputs in this table must meet setup and hold time around the rising edge of CLK().  
- 6 -  
August 2000  
Rev 3.0  

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