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N74F350D fiches techniques PDF

Philips - 4-bit shifter

Numéro de référence N74F350D
Description 4-bit shifter
Fabricant Philips 
Logo Philips 





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N74F350D fiche technique
Philips Semiconductors FAST Products
4-bit shifter
Product specification
74F350
FEATURES
Shifts 4 bits of data to 0, 1, 2, 3 places under control of two
select lines
3-State outputs for bus organized systems
DESCRIPTION
The 74F350 is a combination logic circuit that shifts a 4-bit word
from 0 to 3 places. No clocking is required as with shift registers.
The 74F350 can be used to shift any number of bits any number of
places up or down by suitable interconnection. Shifting can be:
1. Logical — with logic zeros filled in at either end of the shifting
field.
2. Arithmetic — where the sign bit is extended during a shift down.
3. End around — where the data word forms a continuous loop.
The 3-State outputs are useful for bus interface applications or
expansion to a larger number of shift positions in end around
shifting. The active Low Output Enable (OE) controls the state of the
outputs. The outputs are in the high impedance “off” state when OE
is High, and they are active when OE is Low.
PIN CONFIGURATION
I–3 1
I–2 2
I–1 3
I0 4
I1 5
I2 6
I3 7
GND 8
16 VCC
15 Y0
14 Y1
13 OE
12 Y2
11 Y3
10 S0
9 S1
SF00205
ORDERING INFORMATION
DESCRIPTION
16-pin plastic DIP
COMMERCIAL RANGE
VCC = 5V ±10%, Tamb = 0°C to +70°C
N74F350N
16-pin plastic SO
N74F350D
TYPE
74F350
TYPICAL PROPAGATION DELAY
5.2ns
TYPICAL SUPPLY CURRENT (TOTAL)
24mA
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
I–n, In
Data inputs
1.0/2.0
S0, S1
Select inputs (active Low)
1.0/2.0
OE Output Enable input (active Low)
1.0/2.0
Y0 – Y3
Data outputs
150/40
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
LOGIC SYMBOL
IEC/IEEE SYMBOL
LOAD VALUE HIGH/LOW
20µA/1.2mA
20µA/1.2mA
20µA/1.2mA
3.0mA/24mA
1234567
I–3 I–2 I–1 I0 I1 I2 I3
9 S1
10 S0
13 OE
Y0 Y1 Y2 Y3
VCC = Pin 16
GND = Pin 8
15 14 12 11
SF00206
D MUX
10
9
0
1
G
0
3
[SHIFTER]
13 EN
1
10 3
1 Z10 11 2
12 1
2
13
Z11
0
1
3
11
Z12 12
3
2
13 1
4
14
Z13
0
1
5
12
Z14 13
3
2
14 1
6
15
Z15
0
1
7
13
Z16 14
3
2
15 1
16 0
15
14
12
11
SF00207
March 20, 1989
1 853–0368 96093

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