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CY7C008V Scheda tecnica(PDF) 8 Page - Cypress Semiconductor

Il numero della parte CY7C008V
Spiegazioni elettronici  3.3V 64K/128K x 8/9 Dual-Port Static RAM
PDF  18 Pages
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Produttore elettronici  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C008V Scheda tecnica(HTML) 8 Page - Cypress Semiconductor

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CY7C008V/009V
CY7C018V/019V
Document #: 38-06044 Rev. *B
Page 8 of 18
Switching Waveforms
Notes:
19. R/W is HIGH for read cycles.
20. Device is continuously selected CE = VIL. This waveform cannot be used for semaphore reads.
21. OE = VIL.
22. Address valid prior to or coincident with CE transition LOW.
23. To access RAM, CE = VIL, SEM = VIH. To access semaphore, CE = VIH, SEM = VIL.
tRC
tAA
tOHA
DATA VALID
PREVIOUS DATA VALID
DATA OUT
ADDRESS
tOHA
Read Cycle No.1 (Either Port Address Access)[19, 20, 21]
tACE
tLZOE
tDOE
tHZOE
tHZCE
DATA VALID
tLZCE
tPU
tPD
ISB
ICC
DATA OUT
OE
CE
CURRENT
Read Cycle No.2 (Either Port CE/OE Access)[19, 22, 23]
DATA OUT
tRC
ADDRESS
tAA
tOHA
CE
tLZCE
tABE
tHZCE
tACE
tLZCE
Read Cycle No. 3 (Either Port)[19, 21, 22, 23]



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