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Número de pieza | 74F640SC | |
Descripción | Octal Bus Transceiver with 3-STATE Outputs | |
Fabricantes | Fairchild | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de 74F640SC (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! July 1989
Revised August 1999
74F640 • 74F645
Octal Bus Transceiver with 3-STATE Outputs
General Description
These devices are octal bus transceivers designed for
asynchronous two-way data flow between the A and B bus-
ses. Both busses are capable of sinking 64 mA, have 3-
STATE outputs, and a common output enable pin. The
direction of data flow is determined by the transmit/receive
(T/R) input. The 74F645 is a high speed/low power version
of the 74F245. The 74F640 is an inverting option of the
74F645.
Features
s Designed for asynchronous two-way data flow between
busses
s Outputs sink 64 mA
s Transmit/receive (T/R) input controls the direction of
data flow
s 74F645 is a lower power, faster version of the 74F245
s 74F640 is an inverting option of the 74F645
Ordering Code:
Order Number Package Number
Package Description
74F640SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F640PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
74F645PC
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.
Logic Symbol
Connection Diagram
© 1999 Fairchild Semiconductor Corporation DS010267
www.fairchildsemi.com
1 page 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
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet 74F640SC.PDF ] |
Número de pieza | Descripción | Fabricantes |
74F640SC | Octal Bus Transceiver with 3-STATE Outputs | Fairchild |
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