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CY7C1327B-166BGCT PDF预览

CY7C1327B-166BGCT

更新时间: 2024-11-19 19:45:23
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 静态存储器内存集成电路
页数 文件大小 规格书
17页 363K
描述
Cache SRAM, 256KX18, 3.5ns, CMOS, PBGA119, 14 X 22 MM, 2.40 MM HEIGHT, FBGA-119

CY7C1327B-166BGCT 技术参数

生命周期:Obsolete零件包装代码:BGA
包装说明:BGA,针数:119
Reach Compliance Code:unknownECCN代码:3A991.B.2.A
HTS代码:8542.32.00.41风险等级:5.76
最长访问时间:3.5 ns其他特性:PIPELINED ARCHITECTURE
JESD-30 代码:R-PBGA-B119长度:22 mm
内存密度:4718592 bit内存集成电路类型:CACHE SRAM
内存宽度:18功能数量:1
端子数量:119字数:262144 words
字数代码:256000工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:256KX18封装主体材料:PLASTIC/EPOXY
封装代码:BGA封装形状:RECTANGULAR
封装形式:GRID ARRAY并行/串行:PARALLEL
认证状态:Not Qualified座面最大高度:2.4 mm
最大供电电压 (Vsup):3.63 V最小供电电压 (Vsup):3.135 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子形式:BALL端子节距:1.27 mm
端子位置:BOTTOM宽度:14 mm
Base Number Matches:1

CY7C1327B-166BGCT 数据手册

 浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第2页浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第3页浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第4页浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第5页浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第6页浏览型号CY7C1327B-166BGCT的Datasheet PDF文件第7页 
327  
CY7C1327B  
256K x 18 Synchronous-Pipelined Cache RAM  
The CY7C1327B I/O pins can operate at either the 2.5V or the  
3.3V level. The I/O pins are 3.3V tolerant when VDDQ=2.5V.  
Features  
• Supports 100-MHz bus for Pentium and PowerPC™  
operations with zero wait states  
• Fully registered inputs and outputs for pipelined  
operation  
• 256K by 18 common I/O architecture  
• 3.3V core power supply  
• 2.5V / 3.3V I/O operation  
All synchronous inputs pass through input registers controlled  
by the rising edge of the clock. All data outputs pass through  
output registers controlled by the rising edge of the clock. Max-  
imum access delay from the clock rise is 3.5 ns (166-MHz  
device).  
The CY7C1327B supports either the interleaved burst se-  
quence used by the Intel Pentium processor or a linear burst  
sequence used by processors such as the PowerPC. The  
burst sequence is selected through the MODE pin. Accesses  
can be initiated by asserting either the Processor Address  
Strobe (ADSP) or the Controller Address Strobe (ADSC) at  
clock rise. Address advancement through the burst sequence  
is controlled by the ADV input. A 2-bit on-chip wraparound  
burst counter captures the first address in a burst sequence  
and automatically increments the address for the rest of the  
burst access.  
• Fast clock-to-output times  
— 3.5 ns (for 166-MHz device)  
— 4.0 ns (for 133-MHz device)  
— 5.5 ns (for 100-MHz device)  
• User-selectable burst counter supporting Intel  
Pentium interleaved or linear burst sequences  
• Separate processor and controller address strobes  
• Synchronous self-timed writes  
• Asynchronous Output Enable  
• JEDEC-standard 100 TQFP pinout  
Byte write operations are qualified with the four Byte Write  
Select (BW[1:0]) inputs. A Global Write Enable (GW) overrides  
all byte write inputs and writes data to all four bytes. All writes  
are conducted with on-chip synchronous self-timed write cir-  
cuitry.  
• “ZZ” Sleep Mode option and Stop Clock option  
Functional Description  
Three synchronous Chip Selects (CE1, CE2, CE3) and an  
asynchronous Output Enable (OE) provide for easy bank se-  
lection and output three-state control. In order to provide prop-  
er data during depth expansion, OE is masked during the first  
clock of a read cycle when emerging from a deselected state.  
The CY7C1327B is a 3.3V, 256K by 18 synchronous-pipelined  
cache SRAM designed to support zero wait state secondary  
cache with minimal glue logic.  
MODE  
Logic Block Diagram  
2
(A  
)
[1;0]  
Q
Q
CLK  
ADV  
ADSC  
0
BURST  
COUNTER  
CE  
CLR  
1
ADSP  
Q
16  
18  
ADDRESS  
REGISTER  
CE  
D
256KX18  
MEMORY  
ARRAY  
A
[17:0]  
18  
16  
GW  
DQ[15:8], DP[1]  
BYTEWRITE  
REGISTERS  
D
Q
BWE  
BW  
1
DQ[7:0], DP[0]  
BYTEWRITE  
REGISTERS  
D
Q
BW  
0
18  
18  
CE  
2
1
CE  
D
CE  
Q
ENABLE CE  
REGISTER  
CE  
3
D
Q
OUTPUT  
INPUT  
REGISTERS  
CLK  
ENABLE DELAY  
REGISTER  
REGISTERS  
CLK  
OE  
ZZ  
SLEEP  
CONTROL  
DQ  
[15:0]  
[1:0]  
DP  
Cypress Semiconductor Corporation  
Document #: 38-05140 Rev. *B  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Revised January 18, 2003  

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