Cypress Semiconductor CY7C1041DV33 Ficha de especificações - Página 7
Procurar online ou descarregar pdf Ficha de especificações para Hardware informático Cypress Semiconductor CY7C1041DV33. Cypress Semiconductor CY7C1041DV33 14 páginas. 4 mbit (256k x 16) static ram
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Switching Waveforms
ADDRESS
CE
OE
BHE, BLE
HIGH IMPEDANCE
DATA OUT
V
CC
SUPPLY
CURRENT
ADDRESS
CE
WE
BHE, BLE
DATAIO
Notes
18. Address valid prior to or coincident with CE transition LOW.
19. Data IO is high impedance if OE or BHE and BLE = V
20. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high impedance state.
Document #: 38-05473 Rev. *E
(continued)
Figure 5. Read Cycle No. 2 (OE Controlled)
t
RC
t
ACE
t
DOE
t
LZOE
t
DBE
t
LZBE
t
LZCE
t
PU
50%
Figure 6. Write Cycle No. 1 (CE Controlled)
t
SA
t
AW
IH.
[17, 18]
DATA VALID
[19, 20]
t
WC
t
SCE
t
PWE
t
BW
t
SD
CY7C1041DV33
t
HZOE
t
HZCE
t
HZBE
HIGH
IMPEDANCE
t
PD
I
ICC
CC
50%
I
ISB
SB
t
HA
t
HD
Page 7 of 13
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