74F350 Datasheet, PDF (1/8 Pages) NXP Semiconductors – 4-bit shifter

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 I_−1 I₀
I₁
I₂
L
H
L I_−2 I_−1 I₀
I₁
L
H
H I_−3 I_−2 I_−1 I₀
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
© 1999 Fairchild Semiconductor Corporation DS009518
www.fairchildsemi.com