Cypress Semiconductor MoBL CY62157E Технический паспорт - Страница 6
Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress Semiconductor MoBL CY62157E. Cypress Semiconductor MoBL CY62157E 12 страниц. 8-mbit (512k x 16) static ram
Печатать страницуSwitching Waveforms
Read Cycle 1 (Address Transition Controlled)
ADDRESS
PREVIOUS DATA VALID
DATA OUT
Read Cycle 2 (OE Controlled)
ADDRESS
CE
1
CE
2
BHE/BLE
OE
HIGH IMPEDANCE
DATA OUT
t
V
CC
SUPPLY
CURRENT
Notes:
16. The device is continuously selected. OE, CE
17. WE is HIGH for read cycle.
18. Address valid prior to or coincident with CE
Document #: 38-05695 Rev. *C
[16, 17]
t
AA
t
OHA
[17, 18]
t
RC
t
ACE
t
DBE
t
LZBE
t
DOE
t
LZOE
t
LZCE
PU
50%
= V
, BHE and/or BLE = V
1
IL
IL
, BHE, BLE transition LOW and CE
1
t
RC
DATA VALID
, and CE
= V
.
2
IH
transition HIGH.
2
CY62157E MoBL
DATA VALID
t
PD
t
HZCE
t
HZBE
t
HZOE
HIGH
IMPEDANCE
I
CC
50%
I
Page 6 of 12
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SB
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