CY7C197BN 查看數據表（PDF） - Cypress Semiconductor
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CY7C197BN Datasheet PDF : 9 Pages
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Timing Waveforms (continued)
Read Cycle No. 2[4, 11, 12]
Address
CY7C197BN
tRC
CE
Data Out
High Z
ICC
Vcc Supply Current ISB
Write Cycle No. 1 (WE Controlled)[4, 13]
Address
CE
tSA
WE
Data In
Data Out
Data
Undefined
tACE
tLZCE
tPU
50%
tHZCE
Data Valid
High Z
tPD
50%
tWC
tSCE
tAW
tHA
tPWE
tHZWE
tSD
tHD
Data
Valid
tLZWE
High Impedance
Notes
11. WE is HIGH in read cycle.
12. Address valid prior to or coincident with CE transition LOW.
13. The minimum write cycle time is the sum of tHZWE and tSD.
Document #: 001-06447 Rev. **
Page 6 of 9
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