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74F2243SC Datasheet

  • 74F2243SC

  • Quad Bus Transceiver with 25W Series Resistors in the Output...

  • 35.19KB

  • 3頁

  • FAIRCHILD

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74F2243 Quad Bus Transceiver
October 1988
Revised August 1999
74F2243
Quad Bus Transceiver
with 25鈩?Series Resistors in the Outputs
General Description
The 74F2243 is a quad bus transmitter/receiver which can
be used for 4-line asynchronous 2-way data communica-
tions between data busses. It is designed to drive the
capacitive inputs of MOS memory drivers, address drivers,
clock drivers, and bus-oriented transmitters/receivers.
The 25鈩?series resistors in the outputs reduce ringing and
eliminate the need for external resistors.
Features
s
25鈩?series resistors in outputs eliminate the need for
external resistors
s
2-Way asynchronous data bus communication
s
3-STATE outputs
s
12 mA source current
s
Designed to drive the capacitive inputs of MOS devices
Ordering Code:
Order Number
74F2243SC
Package Number
M14A
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
IEEE/IEC
Connection Diagram
Truth Table
Inputs
E
1
L
L
H
H
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
Inputs/Outputs
E
2
L
H
L
H
A
n
Input
N/A
Z
A
=
B
Z
=
High Impedance
N/A
=
Not Allowed
B
n
B
=
A
N/A
Z
Input
Unit Loading/Fan Out
Pin Names
E
1
E
2
A
n
, B
n
Description
Enable Input (Active LOW)
Enable Input (Active HIGH)
Inputs
Outputs
U.L.
HIGH/LOW
1.0/1.67
1.0/1.67
3.5/2.67
750/20
Input I
IH
/I
IL
Output I
OH
/I
OL
20
碌A(chǔ)/鈭?
mA
20
碌A(chǔ)/鈭?
mA
70
碌A(chǔ)/鈭?.6
mA
鈭?5
mA/12 mA
漏 1999 Fairchild Semiconductor Corporation
DS009530
www.fairchildsemi.com

74F2243SC 產(chǎn)品屬性

  • Fairchild Semiconductor

  • Bipolar

  • 74F

  • 4

  • TTL

  • TTL

  • 3-State

  • - 15 mA

  • 12 mA

  • 8 ns

  • 5.5 V

  • 4.5 V

  • + 70 C

  • SOIC-14

  • Rail

  • Bus Transceiver

  • 0 C

  • SMD/SMT

  • 1

  • Non-Inverting

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