參數(shù)資料
型號(hào): CY7C1049BV33L-17ZC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: GIGATRUE 550 CAT6 MOLDED COMPONENT, RED 5FT
中文描述: 512K X 8 STANDARD SRAM, 17 ns, PDSO44
封裝: TSOP2-44
文件頁數(shù): 7/10頁
文件大?。?/td> 165K
代理商: CY7C1049BV33L-17ZC
CY7C1049BV33
Document #: 38-05139 Rev. *A
Page 7 of 10
Write Cycle No. 1(WE Controlled, OE HIGH During Write)
[15, 16]
Write Cycle No. 2 (WE Controlled, OE LOW)
[16]
Switching Waveforms
(continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZOE
DATA
IN
VALID
CE
ADDRESS
WE
DATA I/O
OE
NOTE
17
DATA VALID
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
CE
ADDRESS
WE
DATA I/O
NOTE
17
Truth Table
CE
H
L
L
L
OE
X
L
X
H
WE
X
H
L
H
I/O
0
I/O
7
Mode
Power
High Z
Data Out
Data In
High Z
Power-Down
Read
Write
Selected, Outputs Disabled
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Notes:
15. Data I/O is high-impedance if OE = V
.
16. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
17. During this period the I/Os are in the output state and input signals should not be applied.
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