Cypress CY62137FV30 Технический паспорт - Страница 6
Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress CY62137FV30. Cypress CY62137FV30 13 страниц. Mobl 2-mbit (128k x 16) static ram
Switching Waveforms
ADDRESS
DATA OUT
PREVIOUS DATA VALID
ADDRESS
CE
OE
BHE/BLE
HIGH IMPEDANCE
DATA OUT
V
CC
SUPPLY
CURRENT
Notes
17. The device is continuously selected. OE, CE = V
18. WE is HIGH for read cycle.
19. Address valid before or similar to CE and BHE, BLE transition LOW.
Document Number: 001-07141 Rev. *F
Figure 5. Read Cycle 1: Address Transition Controlled
t
AA
t
OHA
Figure 6. Read Cycle 2: OE Controlled
t
ACE
t
DOE
t
LZOE
t
DBE
t
LZBE
t
LZCE
t
PU
50%
, BHE and/or BLE = V
IL
t
RC
[18, 19]
t
RC
DATA VALID
.
IL
CY62137FV30 MoBL
[17, 18]
DATA VALID
t
PD
t
HZCE
t
HZOE
t
HZBE
HIGH
IMPEDANCE
50%
Page 6 of 12
®
I
CC
I
SB
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