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コンピュータ・ハードウェア Cypress Semiconductor CY62157ESLのPDF 仕様書をオンラインで閲覧またはダウンロードできます。Cypress Semiconductor CY62157ESL 13 ページ。 Mobl 8-mbit (512k x 16) static ram
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ADDRESS
CE
WE
BHE/BLE
OE
NOTE 19
DATA IO
ADDRESS
CE
WE
BHE/BLE
OE
DATA IO
NOTE 19
Notes
17. Data IO is high impedance if OE = V
18. If CE goes HIGH simultaneously with WE = V
19. During this period, the IOs are in output state. Do not apply input signals.
Document #: 001-43141 Rev. **
(continued)
Figure 4. Write Cycle No 1: WE Controlled
t
AW
t
SA
t
HZOE
Figure 5. Write Cycle 2: CE Controlled
t
SA
t
AW
t
HZOE
.
IH
, the output remains in a high impedance state.
IH
[13, 17, 18]
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
[13, 17, 18]
t
WC
t
SCE
t
PWE
t
BW
t
SD
DATA
IN
CY62157ESL MoBL
t
HA
t
HD
t
HA
t
HD
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