參數資料
型號: CY7C1031-8JC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 64K x 18 Synchronous Cache RAM
中文描述: 64K X 18 CACHE SRAM, 8.5 ns, PQCC52
封裝: PLASTIC, LCC-52
文件頁數: 3/13頁
文件大小: 282K
代理商: CY7C1031-8JC
CY7C1031
CY7C1032
Document #: 38-05278 Rev. *A
Page 3 of 13
Application Example
Figure 1
shows a 512-Kbyte secondary cache for the Pentium
microprocessor using four CY7C1031 cache RAMs.
PPENTIUM
CLK
DATA
ADR
66-MHz OSC
CTAG
CLK
DATA
ADR
CLK
DATA
ADSP
ADR
MATCH
DIRTY
VALID
MATCH
DIRTY
VALID
CD
ADSC ADV OE
WH
0
,
WL
0
COCACHE
CLK
DATA
ADR
ADSP
ADSC
ADV
OE
WH, WL
512 KB
7C1031
IMAIN MEMORY
WH, WL
WH, WL
WH, WL
WH
1
,
WL
1
WH
2
,
WL
2
WH
3
,
WL
3
2
2
2
2
ADS
Figure 1. Cache Using Four CY7C1031s
Pin Definitions
Signal Name
Type
# of Pins
1
4
1
4
1
16
1
1
1
1
1
1
1
16
2
Description
V
CC
V
CCQ
GND
V
SSQ
CLK
A
15
– A
0
ADSP
ADSC
WH
WL
ADV
OE
CS
DQ
15
–DQ
0
DP
1
–DP
0
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input/Output
Input/Output
+
5V Power
+
5V or 3.3V (Outputs)
Ground
Ground (Outputs)
Clock
Address
Address Strobe from Processor
Address Strobe from Cache Controller
Write Enable – High Byte
Write Enable – Low Byte
Advance
Output Enable
Chip Select
Regular Data
Parity Data
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相關代理商/技術參數
參數描述
CY7C1031-8JCT 制造商:Cypress Semiconductor 功能描述:
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CY7C1032-10JCT 制造商:Cypress Semiconductor 功能描述:SRAM Chip Sync Single 5V 1.125M-Bit 64K x 18 10ns 52-Pin PLCC T/R
CY7C1032-12JC 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY7C10328JC 制造商:CYPRESS 功能描述:NEW