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FSTUD32211 データシート(PDF) 1 Page - Fairchild Semiconductor |
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FSTUD32211 データシート(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page Preliminary © 2001 Fairchild Semiconductor Corporation DS500537 www.fairchildsemi.com February 2001 Revised August 2001 FSTUD32211 40/48-Bit Bus Switch with -2V Undershoot Protection and Level Shifting (Preliminary) General Description The Fairchild Switch FSTUD32211 provides up to 48-bits of high-speed CMOS TTL-compatible bus switching. The low On Resistance of the switch allows inputs to be con- nected to outputs without adding propagation delay or gen- erating additional ground bounce noise. A diode to VCC has been integrated into the circuit to allow for level shifting between 5V inputs and 3.3V outputs. 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 con- nected 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. The A and B Ports are protected against undershoot to support an extended range to 2.0V below ground. Fairchild’s integrated Undershoot Hardened Circuit (UHC ) senses undershoot at the I/O’s, and responds by preventing voltage differentials from developing and turn- ing on the switch. Features s Undershoot protected to −2V (A and B Ports) s Voltage level shifting s 4 Ω switch connection between two ports s Minimal propagation delay through the switch s Low lCC s Zero bounce in flow-through mode s Control inputs compatible with TTL level s See Applications Notes AN-5008 and AN-5021 for UHC details s Packaged in plastic Fine-Pitch Ball Grid Array (FBGA) (Preliminary) Ordering Code: Note 1: BGA package available in Tape and Reel only. Order Number Package Number Package Description FSTUD32211GX (Note 1) BGA114A (Preliminary) 114-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide [Tape and Reel] |
同様の部品番号 - FSTUD32211 |
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同様の説明 - FSTUD32211 |
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