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74F350 Datasheet

  • 74F350

  • 4-Bit Shifter with 3-STATE Outputs

  • 8頁

  • FAIRCHILD

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74F350 4-Bit Shifter with 3-STATE Outputs
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 (S
0
, S
1
) 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
74F350SC
74F350SJ
74F350PC
Package Number
M16A
M16D
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
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 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
Truth Table
Inputs
OE
H
L
L
L
L
S
1
X
L
L
H
H
S
0
X
L
H
L
H
O
0
Z
I
0
I
鈭?
I
鈭?
I
鈭?
Outputs
O
1
Z
I
1
I
0
I
鈭?
I
鈭?
O
2
Z
I
2
I
1
I
0
I
鈭?
O
3
Z
I
3
I
2
I
1
I
0
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
漏 1999 Fairchild Semiconductor Corporation
DS009518
www.fairchildsemi.com

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