Cypress Semiconductor CY62146EV30 Scheda tecnica - Pagina 6
Sfoglia online o scarica il pdf Scheda tecnica per Hardware del computer Cypress Semiconductor CY62146EV30. Cypress Semiconductor CY62146EV30 13. Mobl 4-mbit (256k x 16) static ram
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Switching Waveforms
Read Cycle 1 (Address Transition Controlled)
ADDRESS
PREVIOUS DATA VALID
DATA OUT
Read Cycle No. 2 (OE Controlled)
ADDRESS
CE
OE
BHE/BLE
HIGH IMPEDANCE
DATA OUT
V
CC
SUPPLY
CURRENT
Notes:
16. The device is continuously selected. OE, CE = V
17. WE is HIGH for read cycle.
18. Address valid before or similar to CE and BHE, BLE transition LOW.
Document #: 38-05567 Rev. *C
[16, 17]
t
AA
t
OHA
[17, 18]
t
ACE
t
DOE
t
LZOE
t
DBE
t
LZBE
t
LZCE
t
PU
50%
, BHE and/or BLE = V
IL
t
RC
t
RC
DATA VALID
.
IL
CY62146EV30 MoBL
DATA VALID
t
PD
t
HZCE
t
HZOE
t
HZBE
IMPEDANCE
50%
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®
HIGH
I
CC
I
SB