CY7C4255-35(2004) 查看數據表（PDF） - Cypress Semiconductor
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CY7C4255-35 Datasheet PDF : 22 Pages
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CY7C4255
CY7C4265
Switching Characteristics Over the Operating Range (continued)
7C42X5-10 7C42X5-15 7C42X5-25 7C42X5-35
Parameter
Description
Min. Max. Min. Max. Min. Max. Min. Max. Unit
tXO
tXI
tXIS
tSKEW1
Clock to Expansion Out
Expansion in Pulse Width
Expansion in Set-Up Time
Skew Time between Read Clock and Write
Clock for Full Flag
6
10
15
20 ns
4.5
6.5
10
14
ns
4
5
10
15
ns
5
6
10
12
ns
tSKEW2
Skew Time between Read Clock and Write
5
Clock for Empty Flag
6
10
12
ns
tSKEW3
Skew Time between Read Clock and Write
10
15
18
20
ns
Clock for Programmable Almost Empty and Pro-
grammable Almost Full Flags (Synchronous
Mode only)
Document #: 38-06004 Rev. *B
Page 6 of 22
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