參數(shù)資料
型號(hào): CY7C1049B-25VC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: PROBE, THERMISTOR, NTC; Series:B572; Thermistor type:NTC; Resistance:5kR; Tolerance, resistance:+/-10%; Beta value:4300; Temperature, lower limit, beta value:25(degree C); Temperature, upper limit, beta value:85(degree C); Temp, op. RoHS Compliant: Yes
中文描述: 512K X 8 STANDARD SRAM, 25 ns, PDSO36
封裝: 0.400 INCH, SOJ-36
文件頁數(shù): 7/10頁
文件大?。?/td> 132K
代理商: CY7C1049B-25VC
CY7C1049B
Document #: 38-05169 Rev. *A
Page 7 of 10
Write Cycle No. 1 (CE Controlled)
[15, 16]
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
[15, 16]
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.
Switching Waveforms
(continued)
t
WC
DATA VALID
t
AW
t
SA
t
PWE
t
HA
t
HD
t
SD
t
SCE
t
SCE
CE
ADDRESS
WE
DATA I/O
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
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