Features
- Free-running CLKA and CLKB can be asynchronous or coincident
- Clocked FIFO buffering data from Port A to Port B
- Synchronous read retransmit capability
- Mailbox register in each direction
- Programmable Almost-Full and Almost-Empty flags
- Microprocessor interface control logic
- Available in 132-pin PQFP and 120-pin TQFP packages
- Industrial temperature range (–40C to +85C) is available
723641 - Block Diagram
Description
The 723641 is a 1K x 36 Sync FIFO memory that supports clock frequencies up to 67 MHz and has read access times as fast as 12ns. The FIFO memory has retransmit capability, which allows previously read data to be accessed again. Communication between each port may take place with two 36-bit mailbox registers. All data transfers through a port are gated to the LOW-to-HIGH transition of a continuous port clock by enable signals.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 723641L15PF | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Tray |
| 723641L15PF8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Reel |
| 723641L15PFG | Obsolete | N/A | Out of Stock | TQFP | 120# | C | Yes | Tray |
| 723641L15PFG8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | Yes | Reel |
| 723641L15PQF | Obsolete | N/A | Out of Stock | PQFP | 132# | C | No | Tray |
| 723641L15PQFG | Obsolete | N/A | Out of Stock | PQFP | 132# | C | Yes | Tray |
| 723641L20PF | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Tray |
| 723641L20PF8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Reel |
| 723641L20PFI | Obsolete | N/A | Out of Stock | TQFP | 120# | I | No | Tray |
| 723641L20PFI8 | Obsolete | N/A | Out of Stock | TQFP | 120# | I | No | Reel |
| 723641L20PQF | Obsolete | N/A | Out of Stock | PQFP | 132# | C | No | Tray |
| 723641L20PQFGI | Obsolete | N/A | Out of Stock | PQFP | 132# | I | Yes | Tray |
| 723641L20PQFI | Obsolete | N/A | Out of Stock | PQFP | 132# | I | No | Tray |
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- End Of Life NoticePDF 1.29 MB Jan 31, 2023
- 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 16 KB 7WDXRDKU4E7E-5-41680 Aug 12, 2005
- 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
- End Of Life NoticePDF 30 KB 7WDXRDKU4E7E-5-41682 May 24, 2001
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- End Of Life NoticePDF 1.29 MB Jan 31, 2023
- End Of Life NoticePDF 86 KB 7WDXRDKU4E7E-5-54845 Jan 21, 2013
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- Product Change NoticePDF 252 KB 7WDXRDKU4E7E-5-41817 Oct 20, 2006
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