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參數(shù)資料
| 型號： | 72V805L15PFI9 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | FIFO |
| 英文描述： | 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128 |
| 封裝： | TQFP-128 |
| 文件頁數(shù)： | 13/26頁 |
| 文件大?。?/td> | 325K |
| 代理商： | 72V805L15PFI9 |
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20
IDT72V805/72V815/72V825/72V835/72V845
3.3 V CMOS DUAL SyncFIFO 256 x 18, 512 x 18, 1,024 x 18, 4,096 x 18
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
WCLK
tENH
WEN
PAE
RCLK
REN
4295 drw 22
tENS
tENH
tENS
n + 1 words in FIFO(2),
n + 2 words in FIFO(3)
tSKEW2
tPAES
n Words in FIFO(2),
n + 1 words in FIFO(3)
(4)
tPAES
n words in FIFO(2),
n + 1words in FIFO(3)
tCLKH
tCLKL
WCLK
tENH
WEN
PAF
RCLK
REN
4295 drw 23
tENS
tENH
tENS
D - m Words in FIFO
D -(m+1) Words
in FIFO
tSKEW2(3)
tPAFS
D-(m+1) Words in FIFO
tCLKL
tCLKH
Figure 22. Synchronous Programmable Almost-Empty Flag Timing (IDT Standard and FWFT Modes)
NOTES:
1. n =
PAE offset.
2. For IDT Standard Mode.
3. For FWFT Mode.
4. tSKEW2 is the minimum time between a rising WCLK edge and a rising RCLK edge for
PAE to go HIGH during the current clock cycle. If the time between the rising edge
of WCLK and the rising edge of RCLK is less than tSKEW2, then the
PAE deassertion may be delayed one extra RCLK cycle.
5.
PAE is asserted and updated on the rising edge of RCLK only.
6. Select this mode by setting (
FL, RXI, WXI) = (1,0,0), (1,0,1), or (1,1,0) during Reset.
NOTES:
1. m =
PAF offset.
2. D = maximum FIFO Depth.
In IDT Standard Mode: D = 256 for the IDT72V805, 512 for the IDT72V815, 1,024 for the IDT72V825, 2,048 for the IDT72V835 and 4,096 for the IDT72V845. In FWFT Mode:
D = 257 for the IDT72V805, 513 for the IDT72V815, 1,025 for the IDT72V825, 2,049 for the IDT72V835 and 4,097 for the IDT72V845.
3. tSKEW2 is the minimum time between a rising RCLK edge and a rising WCLK edge for
PAF to go HIGH during the current clock cycle. If the time between the rising edge of RCLK and
the rising edge of WCLK is less than tSKEW2, then the
PAF deassertion time may be delayed an extra WCLK cycle.
4.
PAF is asserted and updated on the rising edge of WCLK only.
5. Select this mode by setting (
FL, RXI, WXI) = (1,0,0), (1,0,1), or (1,1,0) during Reset.
Figure 23. Synchronous Programmable Almost-Full Flag Timing (IDT Standard and FWFT Modes)
相關(guān)PDF資料 |
PDF描述 |
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| 72V805L15PF8 | 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128 |
| 7305-0-15-15-47-14-04-0 | BRASS, GOLD FINISH, PCB TERMINAL |
| 7305-0-15-15-47-01-04-0 | BRASS, GOLD FINISH, PCB TERMINAL |
| 7305-0-15-01-47-27-04-0 | BRASS, TIN FINISH, PCB TERMINAL |
| 7305-0-15-01-47-14-04-0 | BRASS, TIN FINISH, PCB TERMINAL |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| 72V805L20PF | 功能描述:先進(jìn)先出 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: |
| 72V805L20PF8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Quad Depth/Width Bi-Dir 256 x 18 x 2 128-Pin TQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC QUAD DEPTH/WIDTH BI-DIR 256 X 18 X 2 128TQFP - Tape and Reel |
| 72V811L10PF | 功能描述:先進(jìn)先出 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: |
| 72V811L10PF8 | 功能描述:先進(jìn)先出 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: |
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