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Fairchild - 4-Bit Shifter with 3-STATE Outputs

Numéro de référence 74F350
Description 4-Bit Shifter with 3-STATE Outputs
Fabricant Fairchild 
Logo Fairchild 





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74F350 fiche technique
April 1988
Revised August 1999
74F350
4-Bit Shifter with 3-STATE Outputs
General Description
The 74F350 is a specialized multiplexer that accepts a 4-bit
word and shifts it 0, 1, 2 or 3 places, as determined by two
Select (S0, S1) inputs. For expansion to longer words, three
linking inputs are provided for lower-order bits; thus two
packages can shift an 8-bit word, four packages a 16-bit
word, etc. Shifting by more than three places is accom-
plished by paralleling the 3-STATE outputs of different
packages and using the Output Enable (OE ) inputs as a
third Select level. With appropriate interconnections, the
74F350 can perform zero-backfill, sign-extend or end-
around (barrel) shift functions.
Features
s Linking inputs for word expansion
s 3-STATE outputs for extending shift range
Ordering Code:
Order Number Package Number
Package Description
74F350SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F350SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F350PC
N16E
16-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.
Logic Symbols
Connection Diagram
IEEE/IEC
Truth Table
Inputs
Outputs
OE S1 S0 O0 O1 O2 O3
HXXZ Z Z Z
L L L I0 I1 I2 I3
L L H I1 I0 I1 I2
L H L I2 I1 I0 I1
L H H I3 I2 I1 I0
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
© 1999 Fairchild Semiconductor Corporation DS009518
www.fairchildsemi.com

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