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參數(shù)資料
| 型號(hào)： | MC74F350D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 220nA Supervisor with 10ms/200ms selectable delay time 5-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, 4-BIT SHIFTER, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 103K |
| 代理商： | MC74F350D |
4-153
FAST AND LS TTL DATA
4-BIT SHIFTER
(With 3-State Outputs)
The MC54/74F350 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-or-
der bits; thus two packages can shift an 8-bit word, four packages a 16-bit
word, etc. Shifting by more than three places is accomplished 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 F350 can
perform zero-backfill, sign-extend or end-around (barrel) shift functions.
Linking Inputs for Word Expansion
3-State Outputs for Extending Shift Range
FUNCTIONAL DESCRIPTION
The F350 is operationally equivalent to a 4-input multiplexer with the inputs
connected so that the select code causes successive one-bit shifts of the data
word. This internal connection makes it possible to perform shifts of 0, 1, 2 or
3 places on words of any length.
A 7-bit data word is introduced at the In inputs and is shifted according to
the code applied to the select inputs S0, S1. Outputs O0–O3 are 3-state, con-
trolled by an active-LOW output enable (OE). When OE is LOW, data outputs
will follow selected data inputs; when HIGH, the data outputs will be forced to
the high-impedance state. This feature allows shifters to be cascaded on the
same output lines or to a common bus. The shift function can be logical, with
zeros pulled in at either or both ends of the shifting field; arithmetic, where the
sign bit is repeated during a shift down; or end around, where the data word
forms a continuous loop.
LOGIC EQUATIONS
O0 = S0 S1 I0 + S0 S1 l–1 + S0 S1 I–2 + S0 S1 I–3
O1 = S0 S1 I1 + S0 S1 I0 + S0 S1 l–1 + S0 S1 I–2
O2 = S0 S1 I2 + S0 S1 I1 + S0 S1 I0 + S0 S1 I–1
O3 = S0 S1 I3 + S0 S1 I2 + S0 S1 I1 + S0 S1 I0
TRUTH TABLE
Inputs
Outputs
OE
S1
X
L
L
H
H
S0
X
L
H
L
H
O0
Z
I0
I–1
I–2
I–3
O1
Z
I1
I0
I–1
I–2
O2
Z
I2
I1
I0
I–1
O3
Z
I3
I2
I1
I0
H
L
L
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
Z = High Impedance
X = Immaterial
MC54/74F350
4-BIT SHIFTER
(With 3-State Outputs)
FAST
SCHOTTKY TTL
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
VCC = PIN 16
GND = PIN 8
13
9 10
1
2
3
4
5
6
7
15
14
12
11
OE
O0
O1
O2
O3
I–3
I–2
I–1
I0
I1
I2
I3
S1S0
CONNECTION DIAGRAM
14
13
12
11
10
9
1
2
3
4
I0
5
I1
6
I2
7
I3
16
15
8
VCC
I–3
O0
O1
OE
O2
S0
O3
S1
I–2
I–1
GND
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| MC74F350N | 4-BIT SHIFTER(With 3-State Outputs) |
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| MC74F352 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F352D | 制造商:ONS 功能描述:ON SEMICONDUCTOR NXC6C |
| MC74F353 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F365 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F365D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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