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參數(shù)資料
| 型號： | 72235LB25JGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | FIFO |
| 英文描述： | 2K X 18 OTHER FIFO, 15 ns, PQCC68 |
| 封裝： | GREEN, PLASTIC, LCC-68 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 178K |
| 代理商： | 72235LB25JGI |
12
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFOTM
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
OCTOBER 22, 2008
Figure 12. Programmable Almost-Empty Flag Timing
Figure 13. Programmable Almost-Full Flag Timing
WCLK
tCLKH
tCLKL
tENS
tENH
tENS
tPAE
n + 1 words in FIFO
n words in FIFO
RCLK
tPAE
2766 drw 14
WCLK
tCLKH
tCLKL
tENS
tENH
tENS
tPAF
D – m + 1 words
in FIFO memory
RCLK
tPAF
(1)
2766 drw 15
D – m words
in FIFO memory
(2)
(1)
D – m + 1 words in FIFO memory (1)
Figure 14. Half-Full Flag Timing
WCLK
tENS
tENH
tENS
tHF
RCLK
tHF
D/2 words in
FIFO memory(1)
2766 drw 16
D/2 + 1 words in
FIFO memory(2)
D/2 words in FIFO memory
(1)
tCLKL
tCLKH
NOTES:
1. D = maximum FIFO Depth = 256 words for the IDT72205LB, 512 words for the IDT72215LB, 1,024 words for the IDT72225LB, 2,048 words for the IDT72235LB and 4,096 words
for the IDT72245LB.
NOTE:
1. n =
PAE offset. Number of data words written into FIFO already = n.
NOTES:
1. m =
PAF offset. D = maximum FIFO Depth. Number od data words written into FIFO memory = 256 - m + 1 for the IDT72205LB, 512 - m + 1 for the IDT72215LB,
1,024 - m + 1 for the IDT72225LB, 2,048 - m + 1 for the IDT72235LB and 4,096 - m + 1 for the IDT72245LB.
2. 256 - m words for the IDT72205LB, 512 - m words for the IDT72215LB, 1,024 - m words for the IDT72225LB, 2,048 - m words for the IDT72235LB and 4,096 - m words for
the IDT72245LB.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 72235LB25JI | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 2K x 18 68-Pin PLCC 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 2KX18 68PLCC - Rail/Tube |
| 72235LB25JI8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 2K x 18 68-Pin PLCC T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 2KX18 68PLCC - Tape and Reel |
| 72235LB25PF | 功能描述:先進先出 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: |
| 72235LB25PF8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 2K x 18 64-Pin TQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 2KX18 64TQFP - Tape and Reel |
| 72235LB25PFG | 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 2KX18 64TQFP - Bulk |
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