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PDF DM74ALS5245 Datasheet ( Hoja de datos )

Número de pieza DM74ALS5245
Descripción Octal 3-STATE Transceiver
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo

Total 7 Páginas
		
DM74ALS5245 Hoja de datos, Descripción, Manual
October 1986
Revised February 2000
DM74ALS5245
Octal 3-STATE Transceiver
General Description
This octal bus transceiver is designed for asynchronous
two-way communication between data buses. The inputs
include hysteresis which provides improved noise rejec-
tion. Data is transmitted either from the A bus to the B bus
or from the B bus to the A bus depending on the logic level
of the direction control (DIR) input. The device can be dis-
abled via the enable input (G) which causes the outputs to
enter the high impedance mode so the buses are effec-
tively isolated.
Features
s Input Hysteresis
s Low output noise generation
s High input noise immunity
s Advanced oxide-isolated, ion implanted Schottky TTL
process
s Switching specification guaranteed over the full temper-
ature and VCC range
s PNP inputs to reduce input loading
Ordering Code:
Order Number Package Number
Package Description
DM74ALS5245WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74ALS5245SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74ALS5245N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Control Inputs
G DIR
LL
LH
HX
L = LOW Logic Level
H = HIGH Logic Level
Operation
B Data to A Bus
A Data to B Bus
High Impedance
X = Don't Care (Either LOW or HIGH Logic Level)
© 2000 Fairchild Semiconductor Corporation DS009175
www.fairchildsemi.com

1 page

DM74ALS5245 pdf
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Package Number M20B
5 www.fairchildsemi.com

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