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74FR2240SC Datasheet

  • 74FR2240SC

  • Octal Buffer/Line Driver with 25ヘ Series Resistors in the O...

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  • FAIRCHILD

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74FR2240 Octal Buffer/Line Driver
January 1991
Revised August 1999
74FR2240
Octal Buffer/Line Driver
with 25鈩?Series Resistors in the Outputs
General Description
The
74FR2240
is an inverting octal buffer and line driver
designed to drive capacitive inputs of MOS memory
devices, address and clock lines or act as a low under-
shoot general purpose bus driver.
Features
s
3-STATE outputs drive bus lines or buffer memory
address registers
s
Outputs sink 12 mA and source 15 mA
s
25鈩?series resistors in outputs eliminate the need for
external resistors
s
Designed to drive the capacitive inputs of MOS devices
Ordering Code:
Order Number
74FR2240SC
74FR2240PC
Package Number
M20B
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
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 鈥淴鈥?to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
OE
1
, OE
2
I
0
鈥揑
7
O
0
鈥揙
7
Description
Output Enable Input (Active-LOW)
Inputs
Outputs
Truth Tables
Inputs
OE
1
L
L
H
Inputs
OE
2
L
L
H
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
Outputs
I
n
L
H
X
(Pins 12, 14, 16, 18)
H
L
Z
Outputs
I
n
L
H
X
(Pins 3, 5, 7, 9)
H
L
Z
漏 1999 Fairchild Semiconductor Corporation
DS010904
www.fairchildsemi.com

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