Cypress Semiconductor CY7C1338G Arkusz specyfikacji - Strona 13
Przeglądaj online lub pobierz pdf Arkusz specyfikacji dla Sprzęt komputerowy Cypress Semiconductor CY7C1338G. Cypress Semiconductor CY7C1338G 18 stron. Cypress 4-mbit (128k x 32) flow-through sync sram specification sheet
Timing Diagrams
(continued)
[17, 19, 20]
Read/Write Timing
CLK
t ADS
ADSP
ADSC
t AS
A1
A2
ADDRESS
BWE, BW
[A:D]
t CES
CE
ADV
OE
High-Z
Data In (D)
Data Out (Q)
Q(A1)
Back-to-Back READs
Notes:
19. The data bus (Q) remains in high-Z following a WRITE cycle, unless a new read access is initiated by ADSP or ADSC.
20. GW is HIGH.
Document #: 38-05521 Rev. *D
t CYC
t
t
CL
CH
t ADH
t AH
A3
t
WES
t CEH
t DS
D(A3)
t
OEHZ
Q(A2)
Single WRITE
A4
t
WEH
t DH
t OELZ
t CDV
Q(A4)
Q(A4+1)
BURST READ
DON'T CARE
UNDEFINED
CY7C1338G
A5
D(A5)
Q(A4+2)
Q(A4+3)
Back-to-Back
WRITEs
Page 13 of 17
A6
D(A6)