Cypress Semiconductor CY62147DV30 Ficha de especificações - Página 7
Procurar online ou descarregar pdf Ficha de especificações para Hardware informático Cypress Semiconductor CY62147DV30. Cypress Semiconductor CY62147DV30 13 páginas. 4-mbit (256k x 16) static ram
Imprimir páginaSwitching Waveforms
Write Cycle No. 1 (WE Controlled)
ADDRESS
CE
WE
BHE/BLE
OE
DATA I/O
NOTE
Write Cycle No. 2 (CE Controlled)
ADDRESS
CE
WE
BHE/BLE
OE
DATA I/O
NOTE 23
Notes:
21. Data I/O is high impedance if OE = V
22. If CE goes HIGH simultaneously with WE = V
23. During this period, the I/Os are in output state and input signals should not be applied.
Document #: 38-05340 Rev. *F
(continued)
[17, 21, 22]
t
AW
t
SA
23
t
HZOE
[17, 21, 22]
t
SA
t
AW
t
HZOE
.
IH
, the output remains in a high-impedance state.
IH
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
CY62147DV30
t
HA
t
HD
t
HA
t
HD
Page 7 of 12
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