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74F2245 Datasheet

  • 74F2245

  • Octal Bidirectional Transceiver with TRI-STATE Outputs

  • 106.43KB

  • 6頁

  • NSC

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74F2245 Octal Bidirectional Transceiver with TRI-STATE Outputs
November 1996
74F2245
Octal Bidirectional Transceiver with TRI-STATE Outputs
General Description
The 鈥橣2245 contains eight non-inverting bidirectional buffers
with TRI-STATE outputs and is intended for bus-oriented
applications Current sinking capability is 24 mA at the A
ports and 12 mA at the B ports The Transmit Receive
(T R) input determines the direction of data flow through
the bidirectional transceiver Transmit (active HIGH) en-
ables data from A ports to B ports Receive (active LOW)
enables data from B ports to A ports The Output Enable
input when HIGH disables both A and B ports by placing
them in a High Z condition
The 25X series resistors in the outputs reduce ringing and
eliminate the need for external resistors
Features
Y
Y
Y
Y
Y
Y
Non-inverting buffers
Bidirectional data path
A outputs sink 24 mA
B outputs sink 12 mA
25X series resistors in B outputs eliminate the need for
external resistors
Guaranteed 2000V minimum ESD protection
Commercial
74F2245SC (Note 1)
Package
Number
M20B
Package Description
20-Lead (0 300 Wide) Molded Small Outline JEDEC
Note 1
Devices also available in 13 reel Use suffix
e
SCX
Logic Symbols
IEEE IEC
TL F 12151 鈥?1
TL F 12151 鈥?2
TRI-STATE is a registered trademark of National Semiconductor Corporation
C
1996 National Semiconductor Corporation
TL F 12151
RRD-B30M126 Printed in U S A
http
www national com

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