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參數(shù)資料
| 型號： | CYDC128B16 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| 中文描述： | 1.8 4k/8k/16k × 16和8k/16k × 8 ConsuMoBL雙端口靜態(tài)存儲器 |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 580K |
| 代理商： | CYDC128B16 |
CYDC256B16, CYDC128B16,
CYDC064B16, CYDC128B08,
CYDC064B08
Document #: 001-01638 Rev. *E
Page 20 of 26
Semaphore Read After Write Timing, Either Side
[49, 50]
Timing Diagram of Semaphore Contention
[51, 52]
Notes:
49.If the CE or SEM LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in the high-impedance state.
50.CE = HIGH for the duration of the above timing (both write and read cycle).
51.I/O
0R
= I/O
= LOW (request semaphore); CE
= CE
= HIGH.
52.If t
SPS
is violated, the semaphore will definitely be obtained by one side or the other, but which side will get the semaphore is unpredictable.
Switching Waveforms
(continued)
t
SOP
t
SAA
VALID ADRESS
VALID ADRESS
t
HD
DATA
IN
VALID
t
OHA
t
AW
t
HA
t
ACE
t
SOP
t
SCE
t
SD
t
SA
t
PWE
t
SWRD
t
DOE
WRITE CYCLE
READ CYCLE
OE
R/W
I/O
0
SEM
A
0
–A
2
DATA
OUT
VALID
MATCH
t
SPS
MATCH
R/W
L
SEM
L
R/W
R
SEM
R
A
0L
–A
2L
A
0R
–A
2R
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| CYDC128B16-40AXC | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| CYDC128B16-55AXC | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| CYDC128B16-55AXI | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| CYDC256B16-40AXC | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| CYDC256B16-55AXC | 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CYDC128B16_11 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:1.8 V 4 K/8 K/16 K × 16 and 8 K/16 K × 8 ConsuMoBL Dual-Port Static RAM |
| CYDC128B16-40AXC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
| CYDC128B16-55AXC | 制造商:Cypress Semiconductor 功能描述: |
| CYDC128B16-55AXI | 功能描述:靜態(tài)隨機存取存儲器 128K 8Kx16 Consumer Hi Vol Dual Port IND RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| CYDC256B16 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM |
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