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
- Input Ready (IR) and Almost-Full (AF) flags synchronized by CLKA
- Output Ready (OR) and Almost-Empty (AE) flags synchronized by CLKB
- Available in 132-pin PQFP and 120-pin TQFP packages
- Easily expandable in width and depth
- Industrial temperature range (–40C to +85C) is available
72V3631 - Block Diagram
Description
The 72V3631is a 512 x 36 Sync FIFO memory that is a 3.3V version of the 723631. It supports clock frequencies up to 67 MHz and has read access times as fast as 10ns. The FIFO memory has retransmit capability, which allows previously read data to be accessed again. The FIFO operates in First Word Fall Through mode. Communication between each port may take place with two 36-bit mailbox registers. The enables for each port are arranged to provide a simple interface between microprocessors and/or buses with synchronous control.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 72V3631L15PF | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Tray |
| 72V3631L15PF8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Reel |
| 72V3631L15PFG | Obsolete | N/A | Out of Stock | TQFP | 120# | C | Yes | Tray |
| 72V3631L15PFG8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | Yes | Reel |
| 72V3631L15PQF | Obsolete | N/A | Out of Stock | PQFP | 132# | C | No | Tray |
| 72V3631L20PF | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Tray |
| 72V3631L20PF8 | Obsolete | N/A | Out of Stock | TQFP | 120# | C | No | Reel |
| 72V3631L20PQF | Obsolete | N/A | Out of Stock | PQFP | 132# | C | No | Tray |
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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 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
- Product Change NoticePDF 44 KB 7WDXRDKU4E7E-5-41728 Nov 18, 1999
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