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74FR2244SC View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
74FR2244SC Octal Buffer/Line Driver with 25Ω Series Resistors in the Outputs Fairchild
Fairchild Semiconductor Fairchild
74FR2244SC Datasheet PDF : 5 Pages
1 2 3 4 5
June 1991
Revised August 1999
74FR2244
Octal Buffer/Line Driver
with 25Series 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 25series resistors in outputs eliminate the need for
external resistors
s Designed to drive the capacitive inputs of MOS devices
Ordering Code:
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
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names
OE1, OE2
I0–I7
O0–O7
Truth Tables
Description
Output Enable Input (Active-LOW)
Inputs
Outputs
Inputs
OE1
In
L
L
L
H
H
X
Outputs
(Pins 12, 14, 16, 18)
L
H
Z
Inputs
OE2
In
L
L
L
H
H
X
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
(Pins 3, 5, 7, 9)
L
H
Z
© 1999 Fairchild Semiconductor Corporation DS010931
www.fairchildsemi.com
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