Fairchild FST16244 Data Handbook
Summary
The FST16244 is a high-performance, 16-bit bus switch designed for reliable and low-latency data interconnection between two distinct ports. Providing CMOS/TTL compatibility and robust signal switching using minimized on-resistance, it ensures clear connectivity with minimal added noise or delay in communications systems. This manual provides comprehensive technical specifications, detailing all electrical characteristics, operating limits, and timing parameters necessary for professional design integration. It is essential reading for electronics engineers and system designers building complex data routing and communication hardware.
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Preliminary
16244 16-B it B s S itch (P relim in ary)
May 2001 Revised May 2001
FST16244 16-Bit Bus Switch (Preliminary) General Description Features The Fairchild Switch FST16244 provides 16-bits of high- ■4Ω switch connection between two ports. speed CMOS TTL-compatible bus switching. The low On
■Minimal propagation delay through the switch.
Resistance of the switch allows inputs to be connected to
■Low l CC.
outputs without adding propagation delay or generating
additional ground bounce noise. ■Zero bounce in flow-through mode. The device is organized as a 16-bit switch. There are four ■Control inputs compatible with TTL level.
4-bit switches with separate output enable inputs. When OE is LOW, the switch in ON and Port A is connected to Port B. When OE is HIGH, the switch OFF and a high impedance state exists between the A and B Ports.
Ordering Code: Order Number Package Number Package Description FST16244MTD MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram Logic Diagram
Pin Descriptions Truth Table Pin Name Description Inputs Outputs
OEn Output Enable Input (Active LOW) OEx A, B
1An, 2An, 3An, 4An Bus A A Port = B Port
1Bn, 2Bn, 3Bn, 4Bn Bus B
H = HIGH Voltage Level L = LOW Voltage Level Z = High Impedance
© 2001 Fairchild Semiconductor Corporation DS500420 www.fairchildsemi.com
Page Summary Contents For Fairchild FST16244 Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 4 |
| File Size | 160.87 KB |
| Published | July 06, 2026 |
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Frequently Asked Questions
What function does the FST16244 perform?
It provides 16-bits of high-4Ω switch connection between two ports (Port A and Port B).
How do I activate the switch to connect Port A and Port B?
The Output Enable (OE) input must be LOW (Active LOW) for the switch to turn ON.
What are the recommended operating temperature limits?
The device supports a free air operating temperature range of -40°C to +85°C.
Can this component be used in life support applications?
No, it is not authorized for use in critical life support devices without express written approval from Fairchild Semiconductor Corporation.