CYM74SP55PM-60 View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
Manufacturer
CYM74SP55PM-60 Datasheet PDF : 7 Pages
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PRELIMINARY
CYM74BP54
CYM74P54/55
CYM74SP54/55
Logic Block Diagram - CYM74SP54/CYM74SP55
Note:A 18 isnotusedbyCYM74SP54
(CYM74SP54)32K x 18
(CYM74SP55)64Kx18
D
A18-A 7
A6–0-A 3–0
ADSP0
ADSC0
ADV0
A
ADSP
ADSC
ADV
CLK0
CLK1
CE0
OE0
CE1
OE1
WE0-WE 7
CE
OE
WE0/1
D
D
A
ADSP
ADSC
ADV
A6–1-A 3–1 A
ADSP1 ADSP
ADSC1 ADSC
ADV1 ADV
CE
OE
WE2/3
CE
OE
WE4/5
D
A
ADSP
ADSC
ADV
CE
OE
WE6/7
D0-D 15
DP0-DP 1
D16-D 31
DP2-DP 3
D32-D 47
DP4-DP 5
D48-D 63
DP6-DP 7
74BP54–4
Selection Guide
Part Number
Cache Size (KB)
System Clock (MHz)
RAM Speed
Asynchronous Cache Modules
CYM74BP54-60
CYM74BP54-66
256
60
66
tAA=15 ns
tAA=12 ns
Part Number
Cache Size (KB)
System Clock (MHz)
RAM Speed
CYM74P54-60
60
tCDV=10.5 ns
Synchronous Pipelined Cache Modules
CYM74P54-66
CYM74P55-60
256
512
66
60
tCDV=8.5 ns
tCDV=10.5 ns
CYM74P55-66
66
tCDV=8.5 ns
Part Number
Cache Size (KB)
System Clock (MHz)
RAM Speed
Synchornous Burst Cache Modules
CYM74SP54-60
CYM74SP54-66 CYM74SP55-60
256
512
60
66
60
tCDV=10.5 ns
tCDV=8.5 ns
tCDV=10.5 ns
CYM74SP55-66
66
tCDV=8.5 ns
3
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