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參數(shù)資料
| 型號： | CY7C4205-10ACT |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | FIFO |
| 英文描述： | 256 X 18 OTHER FIFO, 8 ns, PQFP64 |
| 封裝： | 14 X 14 MM, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 412K |
| 代理商： | CY7C4205-10ACT |
CY7C4425/4205/4215
CY7C4225/4235/4245
10
Notes:
19. PAE offset – n. Number of data words into FIFO already = n.
20. PAE offset – n.
21. tSKEW3 is the minimum time between a rising WCLK and a rising RCLK edge for PAE to change state during that clock cycle. If the time between the edge of WCLK and the
rising RCLK is less than tSKEW3, then PAE may not change state until the next RCLK.
22. If a read is performed on this rising edge of the read clock, there will be Empty + (n – 1) words in the FIFO when PAE goes LOW.
Switching Waveforms (continued)
tENH
Programmable Almost Empty Flag Timing
WCLK
PAE]
REN
RCLK
tCLKH
tPAE
tENS
n+1 WORDS
IN FIFO
tCLKL
tENS
tPAE
n WORDS IN FIFO
42X5–13
[19]
WEN
Note
tENH
WCLK
PAE
RCLK
tCLKH
tENS
tCLKL
t
tPAEsynch
N + 1 WORDS
INFIFO
42X5–14
tENH
tENS
tENH
tENS
tPAEsynch
REN
WEN
WEN2
tSKEW3
Note
Programmable Almost Empty Flag Timing (applies only in SMODE (SMODE is LOW)
[21]
22
20
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C4205-10AXC | 功能描述:先進先出 256x18 IDT Compat SYNC 先進先出 COM RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
| CY7C4205-10AXCT | 功能描述:先進先出 256x18 IDT Compat SYNC 先進先出 COM RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
| CY7C4205-15AC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C4205-15ACT | 制造商:Cypress Semiconductor 功能描述: |
| CY7C4205-15ASC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 256 x 18 64-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:256 X 18 68 PIN IDT COMPAT SYNC FIFO - Bulk |
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