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CY7C109B Datasheet(PDF) 8 Page - Cypress Semiconductor

Part # CY7C109B
Description  128K x 8 Static RAM
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C109B Datasheet(HTML) 8 Page - Cypress Semiconductor

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CY7C109B
CY7C1009B
Document #: 38-05038 Rev. **
Page 8 of 12
Write Cycle No. 3 (WE Controlled, OE LOW)[14]
Switching Waveforms (continued)
10B9–11
DATA VALID
tHD
tSD
tLZWE
tPWE
tSA
tHA
tAW
tSCE
tSCE
tWC
tHZWE
CE1
ADDRESS
CE2
WE
DATA I/O
NOTE 15
Truth Table
CE1
CE2
OE
WE
I/O0 – I/O7
Mode
Power
H
X
X
X
High Z
Power-Down
Standby (ISB)
X
L
X
X
High Z
Power-Down
Standby (ISB)
L
H
L
H
Data Out
Read
Active (ICC)
L
H
X
L
Data In
Write
Active (ICC)
L
H
H
H
High Z
Selected, Outputs Disabled
Active (ICC)



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