FST32211G
FST32211G Datasheet
FST32211 40/48-Bit Bus Switch
| Part | Datasheet |
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FST32211G |
FST32211G (pdf) |
| Related Parts | Information |
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FST32211GX |
FST32211GX |
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| FST32211 40/48-Bit Bus Switch FST32211 40/48-Bit Bus Switch The Fairchild Switch FST32211 provides up to 48-bits of high-speed CMOS TTL-compatible bus switching. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The device can be organized as four 12-bit, two 24-bit, or one 48-bit bus switch. When routed as a 40-bit bus switch, the device can be organized as four 10-bit, two 20-bit or one 40-bit bus switch. When OE1 is LOW, the switch is ON and Port 1A is connected to Port 1B. When OE2 is LOW, the switch is ON and Port 2A is connected to Port 2B. When OE3 is LOW, the switch is ON and Port 3A is connected to Port 3B. When OE4 is LOW, the switch is ON and Port 4A is connected to Port 4B. When OE1, OE2, OE3, or OE4 are HIGH, a high impedance state exists between the A and B Ports. I switch connection between two ports I Minimal propagation delay through the switch I Low lCC I Zero bounce in flow-through mode I Control inputs compatible with TTL level I Packaged in plastic Fine Pitch Ball Grid Array FBGA Ordering Code: Order Number Package Number Package Description FST32211G Note 1 Note 2 BGA114A 114-Ball Fine-Pitch Ball Grid Array FBGA , JEDEC MO-205, 5.5mm Wide Note 1 Ordering code “G” indicates Trays. Note 2 Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Diagram 2002 Fairchild Semiconductor Corporation DS500404 FST32211 Connection Diagram Top Thru View Pin Descriptions Pin Name OE1, OE2, OE3, OE4 1A, 2A, 3A, 4A 1B, 2B, 3B, 4B Description Bus Switch Enables Bus A Bus B FBGA Pin Assignments 40-Bit Routing 1A2 1A1 NC 1A4 1A3 GND OE1 1A6 1A5 GND 1A8 1A7 GND 1A10 1A9 VCC 2A2 2A1 VCC 2A4 2A3 VCC GND 2A6 2A5 GND 2A8 2A7 2A9 2B9 2A10 3A10 GND 3A9 3A8 GND 3A7 3A6 GND VCC 3A5 3A4 VCC 3A3 3A2 VCC 3A1 4A10 GND 4A9 4A8 GND 4A7 4A6 GND 4B1 4A5 4A4 4A1 OE4 4A3 4A2 OE3 NC Truth Tables 1B1 1B3 1B5 1B7 1B9 2B1 2B3 2B5 2B7 3B10 3B8 3B6 3B4 3B2 4B10 4B8 4B6 4B4 4B2 1B2 1B4 1B6 1B8 1B10 2B2 2B4 2B6 2B8 2B10 3B9 3B7 3B5 3B3 3B1 4B9 4B7 4B5 4B3 Inputs Inputs Inputs/Outputs 1A, 1B 2A, 2B 1A = 1B 1A = 1B |
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