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74FR2244 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. 74FR2244
Description  Octal Buffer/Line Driver with 25Ω Series Resistors in the Outputs
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74FR2244 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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© 1999 Fairchild Semiconductor Corporation
DS010931
www.fairchildsemi.com
June 1991
Revised August 1999
74FR2244
Octal Buffer/Line Driver
with 25
Ω Series Resistors in the Outputs
General Description
The
74FR2244 is a non-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
Ω series resistors in outputs eliminate the need for
external resistors
s Designed to drive the capacitive inputs of MOS devices
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Truth Tables
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial
Z
= High Impedance
Order Number
Package Number
Package Description
74FR2244SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74FR2244SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74FR2244PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
Description
OE1, OE2
Output Enable Input (Active-LOW)
I0–I7
Inputs
O0–O7
Outputs
Inputs
Outputs
OE1
In
(Pins 12, 14, 16, 18)
LL
L
LH
H
HX
Z
Inputs
Outputs
OE2
In
(Pins 3, 5, 7, 9)
LL
L
LH
H
HX
Z


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