Features
- Optimal combination of large capacity, design flexibility and small footprint
- Ideal for prioritization, bidirectional, and width expansion applications
- 10 ns read/write cycle time
- Separate control lines and data lines for each FIFO
- Separate Empty, Full, Programmable Almost-Empty and Almost- Full flags for each FIFO
- Enable puts output data lines in high-impedance state
- Available in 64-pin TQFP and STQFP packages
- Industrial temperature range (–40C to +85C)
72851 - Block Diagram
Description
The 72851 is a 8K x 9 dual synchronous (clocked) FIFO. The device is functionally equivalent to two 72251 FIFOs in a single package with all associated control, data, and flag lines assigned to separate pins. Each of the two FIFOs has a 9-bit input data port and a 9-bit output data port. The Read Clock can be tied to the Write Clock for single clock operation or the two clocks can run asynchronous of one another for dual clock operation. The 72851 architecture lends itself to many flexible configurations such as: 2-level priority data buffering, Bidirectional operation, Width expansion and Depth expansion.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 72851L10PF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L10PF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L10TF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L10TF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L15PF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L15PF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L15PFI | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Tray |
| 72851L15PFI8 | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Reel |
| 72851L15TF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L15TF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L15TFI | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Tray |
| 72851L15TFI8 | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Reel |
| 72851L25PF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L25PF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L25PFI | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Tray |
| 72851L25PFI8 | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Reel |
| 72851L25TF | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Tray |
| 72851L25TF8 | Obsolete | N/A | Out of Stock | TQFP | 64# | C | No | Reel |
| 72851L25TFI | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Tray |
| 72851L25TFI8 | Obsolete | N/A | Out of Stock | TQFP | 64# | I | No | Reel |
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- Product Change NoticePDF 24 KB 7WDXRDKU4E7E-5-41812 Nov 14, 2012
- Product Change NoticePDF 252 KB 7WDXRDKU4E7E-5-41817 Oct 20, 2006
- Product Change NoticePDF 164 KB 7WDXRDKU4E7E-5-41811 May 11, 2006
- Product Change NoticePDF 290 KB 7WDXRDKU4E7E-5-41712 Jul 19, 2005
- Product Change NoticePDF 80 KB 7WDXRDKU4E7E-5-41813 Dec 14, 2004
- Product Change NoticePDF 150 KB 7WDXRDKU4E7E-5-41738 Mar 20, 2003
- Product Change NoticePDF 65 KB 7WDXRDKU4E7E-5-41737 Mar 20, 2003
- Product Change NoticePDF 150 KB 7WDXRDKU4E7E-5-41678 Jun 17, 2002
- Product Change NoticePDF 274 KB 7WDXRDKU4E7E-5-41807 Jun 11, 2001
- Product Change NoticePDF 44 KB 7WDXRDKU4E7E-5-41728 Nov 18, 1999
- End Of Life NoticePDF 645 KB 7WDXRDKU4E7E-5-62027 Sep 14, 2017
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- End Of Life NoticePDF 645 KB 7WDXRDKU4E7E-5-62027 Sep 14, 2017
- End Of Life NoticePDF 192 KB 7WDXRDKU4E7E-5-57646 Sep 04, 2014
- Product Change NoticePDF 24 KB 7WDXRDKU4E7E-5-41812 Nov 14, 2012
- Product Change NoticePDF 252 KB 7WDXRDKU4E7E-5-41817 Oct 20, 2006
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Device not entering sleep mode
Hi, I am working on the ble_app_barebone project. By default, the sleep mode is OFF, and in the project I have modified the sleep state to extended sleep mode. But, even after this modifcation, the extended sleep mode is not getting invoked. Are there any other changes to ...
Feb 6, 2017
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