Configurable 4-Bit To 40-Bit Bus Switch With Selectable Level Shifting (Preliminary)

The Fairchild Universal Bus Switch FSTD32450 provides 4-bit, 5-bit, 8-bit, 10-bit, 16-bit, 20-bit...40-bit of high-speed CMOS TTL-compatible bus switching. The low On Resis- tance of the Switch allows inputs to be connected to out- puts without adding propagation delay or generating additional ground bounce noise. The FSTD32450 is designed to allow customer configura- tion control of the enable connections. The device CAN be organized as either a ten 4-bit, eight 5-bit, four 10-bit, two 20-bit or one 40-bit enabled bus Switch Also achievable are 8-bit and 16-bit enabled configurations (see Functional Description). The devices bit configuration is controlled through select pin Logic (see Truth Table). When OEx is LOW, Port Ax is connected to Port Bx. When OEx is HIGH, the Switch is OPEN. Another key device feature is the addition of a level shifting select pin, S2 and S5. When S2 and S5 are LOW, the device behaves as a standard N-MOS Switch When S2 and S5 are HIGH, a Diode to VCC is integrated into the cir- cuit allowing for level shifting between 5V inputs and 3.3V outputs By Fairchild Semiconductor
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FSTD32450 Pinout, Pinouts
FSTD32450 pinout,Pin out
This is one package pinout of FSTD32450,If you need more pinouts please download FSTD32450's pdf datasheet.

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