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參數(shù)資料
| 型號： | CY62148E |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 4-Mbit (512K x 8) Static RAM |
| 中文描述： | 4兆位（為512k × 8）靜態(tài)RAM |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 860K |
| 代理商： | CY62148E |
CY62148E MoBL
Document #: 38-05442 Rev. *F
Page 6 of 10
Switching Waveforms
Read Cycle No. 1
(Address Transition Controlled)
[16, 17]
Read Cycle No. 2
(OE Controlled)
[17, 18]
Write Cycle No. 1
(WE Controlled, OE HIGH During Write)
[19, 20]
PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
ADDRESS
DATA OUT
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
HIGH IMPEDANCE
t
HZOE
t
HZCE
t
PD
IMPEDANCE
I
CC
I
SB
HIGH
ADDRESS
CE
DATA OUT
V
CC
SUPPLY
CURRENT
OE
DATA VALID
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZOE
ADDRESS
CE
WE
DATA IO
OE
NOTE
21
Notes:
16.Device is continuously selected. OE, CE = V
IL
.
17.WE is HIGH for read cycles.
18.Address valid before or similar to CE transition LOW.
19.Data IO is high impedance if OE = V
IH
.
20.If CE goes HIGH simultaneously with WE HIGH, the output remains in high impedance state.
21.During this period, the IOs are in output state and input signals must not be applied.
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相關代理商/技術參數(shù) |
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| CY62148E_09 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4-Mbit (512K x 8) Static RAM |
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| CY62148E_13 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4-Mbit (512 K x 8) Static RAM |
| CY62148ELL | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:4-Mbit (512 K × 8) Static RAM |
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