參數(shù)資料
型號(hào): CYM74SP55
廠商: Cypress Semiconductor Corp.
英文描述: 82430NX Chipset Level II Cache Module Family(82430NX 芯片組電平II 高速緩沖存儲(chǔ)器模塊系列)
中文描述: 82430NX芯片組二級(jí)緩存模塊系列(82430NX芯片組電平二高速緩沖存儲(chǔ)器模塊系列)
文件頁(yè)數(shù): 3/7頁(yè)
文件大?。?/td> 198K
代理商: CYM74SP55
CYM74BP54
CYM74P54/55
CYM74SP54/55
PRELIMINARY
3
WE0/1
WE2/3
WE4/5
WE6/7
A
A
A
D
D
D
D
CE
OE
CE
OE
CE
OE
CE
OE
CE
0
OE
0
CE
1
OE
1
WE
0
-WE
7
D
0
-D
15
DP
0
-DP
1
D
16
-D
31
DP
2
-DP
3
D
32
-D
47
DP
4
-DP
5
D
48
-D
63
DP
6
-DP
7
A
6–0
-A
3–0
A
A
18
-A
7
ADV0
ADV
ADV
ADV
ADV
ADSC0
ADSC
ADSC
ADSC
ADSC
ADSP0
ADSP
ADSP
ADSP
ADSP
CLK0
CLK1
74BP54–4
(CYM74SP54)32K x 18
(CYM74SP55)64Kx18
Note:A
18
isnotusedbyCYM74SP54
ADSP1
ADSC1
ADV1
A
6–1
-A
3–1
Logic Block Diagram - CYM74SP54/CYM74SP55
Selection Guide
Asynchronous Cache Modules
CYM74BP54-60
Part Number
CYM74BP54-66
Cache Size (KB)
System Clock (MHz)
RAM Speed
256
60
66
t
AA
=15 ns
t
AA
=12 ns
Synchronous Pipelined Cache Modules
CYM74P54-66
Part Number
Cache Size (KB)
System Clock (MHz)
RAM Speed
CYM74P54-60
CYM74P55-60
512
60
t
CDV
=10.5 ns
CYM74P55-66
256
60
66
66
t
CDV
=8.5 ns
t
CDV
=10.5 ns
t
CDV
=8.5 ns
Synchornous Burst Cache Modules
CYM74SP54-66
Part Number
Cache Size (KB)
System Clock (MHz)
RAM Speed
CYM74SP54-60
CYM74SP55-60
512
60
t
CDV
=10.5 ns
CYM74SP55-66
256
60
66
66
t
CDV
=8.5 ns
t
CDV
=10.5 ns
t
CDV
=8.5 ns
相關(guān)PDF資料
PDF描述
CYM74P550A OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲(chǔ)器模塊系列)
CYM74B550 OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲(chǔ)器模塊系列)
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CYM74S551 OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲(chǔ)器模塊系列)
CYM76S683 512K L2 Cache Module for Power PC Systems(應(yīng)用于功率PC系統(tǒng)的512K L2高速緩沖存儲(chǔ)器模塊)
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