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參數(shù)資料
| 型號(hào)： | 72205LB15PFI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | FIFO |
| 英文描述： | 256 X 18 OTHER FIFO, 10 ns, PQFP64 |
| 封裝： | PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大小： | 181K |
| 代理商： | 72205LB15PFI |
8
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFO
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
Commercial And Industrial Temperature Ranges
After half of the memory is filled, and at the LOW-to-HIGH
transition of the next write cycle, the Half-Full Flag goes LOW
and will remain set until the difference between the write
pointer and read pointer is less than or equal to one half of the
total memory of the device. The Half-Full Flag (
HF) is then
reset to HIGH by the LOW-to-HIGH transition of the read clock
(RCLK). The
HF is asynchronous.
In the Daisy Chain Depth Expansion mode,
WXI is connected
to
WXOof the previous device. This output acts as a signal to the
next device in the Daisy Chain by providing a pulse when the
previous device writes to the last location of memory.
READ EXPANSION OUT (
RXO
RXO)
In the Daisy Chain Depth Expansion configuration, Read
Expansion In (
RXI) is connected to Read Expansion Out (RXO)
of the previous device. This output acts as a signal to the next
device in the Daisy Chain by providing a pulse when the
previous device reads from the last location of memory.
DATA OUTPUTS (Q0-Q17)
Q0-Q17 are data outputs for 18-bit wide data.
,
t
RSF
RS
RSR
Q0 - Q17
t RSF
= 0
= 1
(1)
2766 drw 06
tRSS
NOTES:
1. After reset, the outputs will be LOW if
OE = 0 and tri-state if OE = 1.
2. The clocks (RCLK, WCLK) can be free-running during reset.
Figure 4. Reset Timing(2)
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PDF描述 |
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| 72205LB25TFI | 256 X 18 OTHER FIFO, 15 ns, PQFP64 |
| 72215LB10TFG8 | 512 X 18 OTHER FIFO, 6.5 ns, PQFP64 |
| 72215LB15J8 | 512 X 18 OTHER FIFO, 10 ns, PQCC68 |
| IDT72235LB25TF | CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18 |
| IDT72235LB25TFI | CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 72205LB15PFI8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 256 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 256 X 18 64TQFP - Tape and Reel |
| 72205LB15TF | 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(chǔ)容量:4 Mbit 定時(shí)類型:Synchronous 組織:256 K x 18 最大時(shí)鐘頻率:100 MHz 訪問時(shí)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: |
| 72205LB15TF8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 256 x 18 64-Pin STQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 256 X 18 64TQFP - Tape and Reel |
| 72205LB15TFI | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 256 x 18 64-Pin STQFP 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 256 X 18 64TQFP - Rail/Tube |
| 72205LB15TFI8 | 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 256 x 18 64-Pin STQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC DUAL DEPTH/WIDTH UNI-DIR 256 X 18 64TQFP - Tape and Reel |
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