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FST3245 Fiches technique(PDF) 1 Page - Fairchild Semiconductor

No de pièce FST3245
Description  8-Bit Bus Switch
Download  9 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FST3245 Fiches technique(HTML) 1 Page - Fairchild Semiconductor

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March 2008
©1997 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FST3245 • Rev. 1.0.2
FST3245 — 8-Bit Bus Switch
Features
4
Ω Switch Connection between Two Ports
Minimal Propagation Delay through the Switch
Low ICC
Zero Bounce in Flow-through Mode
Control Inputs Compatible with TTL Level
Description
The FST3245 switch provides eight-bits of high-speed
CMOS TTL-compatible bus switching in a standard ’245
pin-out. The low on resistance allows inputs to be
connected to outputs without adding propagation delay
or generating additional ground bounce noise.
The device is organized as an eight-bit switch. When
/OE is LOW, the switch is ON and port A is connected
to port B. When /OE is HIGH, the switch is OPEN and a
high-impedance state exists between the two ports.
Ordering Information
Part Number
Operating
Temperature
Range
Package
Packing
Method
FST3245WMX
-40 to +85°C
20-Lead, Small Outline Integrated Circuit (SOIC), JEDEC
MS-013, 0.300-inch Wide
Tape and Reel
FST3245QSC
-40 to +85°C
20-Lead Quarter Size Outline Package (QSOP), JEDEC
MO-137, 0.150-inch Wide
Tube
FST3245QSCX
-40 to +85°C
20-Lead Quarter Size Outline Package (QSOP),
JEDEC MO-137, 0.150-inch Wide
Tape and Reel
FST3245MTC
-40 to +85°C
20-Lead Thin Shrink Small Outline Package (TSSOP),
JEDEC MO-153, 4.4mm Wide
Tube
FST3245MTCX
-40 to +85°C
20-Lead Thin Shrink Small Outline Package (TSSOP),
JEDEC MO-153, 4.4mm Wide
Tape and Reel
All packages are lead free per JEDEC: J-STD-020B standard.
The Fairchild switch family derives from and embodies Fairchild’s proven switch technology used for several years in its
74LVX3L384 (FST3384) bus switch product.
Logic Diagram
18
11
B0
B7
19
2
9
/OE
A7
A0
Figure 1. Logic Diagram


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