Cypress Semiconductor CY62167EV30 Arkusz specyfikacji - Strona 6
Przeglądaj online lub pobierz pdf Arkusz specyfikacji dla Sprzęt komputerowy Cypress Semiconductor CY62167EV30. Cypress Semiconductor CY62167EV30 15 stron. Mobl 16-mbit (1m x 16 / 2m x 8) static ram
Drukuj stronęSwitching Waveforms
Figure 5
shows address transition controlled read cycle waveforms.
ADDRESS
DATA OUT
PREVIOUS DATA VALID
Figure 6
shows OE controlled read cycle waveforms.
ADDRESS
CE
1
CE
2
BHE/BLE
OE
HIGH IMPEDANCE
DATA OUT
V
CC
SUPPLY
CURRENT
Notes
19. The device is continuously selected. OE, CE
20. WE is HIGH for read cycle.
21. Address valid before or similar to CE
Document #: 38-05446 Rev. *E
Figure 5. Read Cycle No. 1
t
AA
t
OHA
[20, 21]
Figure 6. Read Cycle No. 2
t
ACE
t
DBE
t
LZBE
t
DOE
t
LZOE
t
LZCE
t
PU
50%
= V
, BHE, BLE or both = V
1
IL
, BHE, BLE transition LOW and CE
1
[19, 20]
t
RC
RC
t
RC
DATA VALID
, and CE
= V
.
IL
2
IH
transition HIGH.
2
CY62167EV30 MoBL
DATA VALID
t
PD
t
HZCE
t
HZBE
t
HZOE
HIGH
IMPEDANCE
50%
Page 6 of 14
®
I
CC
I
SB
[+] Feedback