Features
- 128 x 128 channel non-blocking switch
- Serial Telecom Bus Compatible (ST-BUS®)
- 4 RX inputs—32 channels at 64Kbit/s per serial line
- 4 TX output—32 channels at 64Kbit/s per serial line
- Three-state serial outputs
- Microprocessor interface (8-bit data bus)
- 5V power supply
- Available in a 44-pin Plastic Leaded Chip Carrier (PLCC), 40-pin Plastic Dip (P-DIP), and 44-pin Plastic Quad Flatpack (PQFP)
- Operating temperature range: -40 °C to +85 °C
Description
The 728981 is an ST-BUS® compatible digital switch controlled by a microprocessor. The device can handle as many as 128, 64Kbit/s input and output channels. Those 128 channels are divided into four serial inputs and outputs, each of which consists of 32 channels (64Kbit/s per channel) to form a multiplexed 2.048Mb/s stream.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|
| 728981DBG | Obsolete | N/A | Out of Stock | PQFP | 44# | Tray | 3 | Yes | e3 Sn | -40 to 85°C |
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- Application NotePDF 217 KB 7WDXRDKU4E7E-5-57338 May 15, 2014
- 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 223 KB 7WDXRDKU4E7E-5-41816 Oct 07, 2006
- Product Change NoticePDF 42 KB 7WDXRDKU4E7E-5-41808 Jan 25, 2005
- Product Change NoticePDF 80 KB 7WDXRDKU4E7E-5-41813 Dec 14, 2004
- Product Change NoticePDF 511 KB 7WDXRDKU4E7E-5-41743 Oct 22, 2004
- 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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- Application NotePDF 217 KB 7WDXRDKU4E7E-5-57338 May 15, 2014
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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 223 KB 7WDXRDKU4E7E-5-41816 Oct 07, 2006
- Product Change NoticePDF 729 KB 7WDXRDKU4E7E-5-41697 Dec 16, 2005View More (15)
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