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PDF MC74F379 Data sheet ( Hoja de datos )
| Número de pieza | MC74F379 | |
| Descripción | QUAD PARALLEL REGISTER WITH ENABLE | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC74F379 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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QUAD PARALLEL REGISTER
The MC54/74F379 is a 4-bit register with a buffered common enable. This
device is similar to the F175 but features the common Enable rather than com-
mon Master Reset.
The F379 consists of four edge-triggered D-type flip-flops with individual
D inputs and Q and Q outputs. The Clock (CP) and Enable (E) inputs are com-
mon to all flip-flops. When E is HIGH, the register will retain the present data
independent of the CP input. The Dn and E inputs can change when the clock
is in either state, provided that the recommended setup and hold times are
observed. This circuit is designed to prevent false clocking by transitions on
the E input.
• Edge-Triggered D-Type Inputs
• Buffered Positive Edge-Triggered Clock
• Buffered Common Enable Input
• True and Complement Outputs
CONNECTION DIAGRAM (TOP VIEW)
VCC Q3 Q3 D3 D2 Q2 Q2 CP
16 15 14 13 12 11 10 9
12345678
E Q0 Q0 D0 D1 Q1 Q1 GND
FUNCTION TABLE
Inputs
E CP
H
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
NC = No Change
Dn
X
H
L
Outputs
Qn Qn
NC NC
HL
LH
FAST AND LS TTL DATA
4-176
MC54/74F379
QUAD PARALLEL REGISTER
WITH ENABLE
FAST™ SCHOTTKY TTL
16
1
J SUFFIX
CERAMIC
CASE 620-09
16
1
N SUFFIX
PLASTIC
CASE 648-08
16
1
D SUFFIX
SOIC
CASE 751B-03
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
LOGIC SYMBOL
13 D3
12 D2
5 D1
4 D0
1E
15
Q3
14
10
Q2
11
7
Q1 6
2
Q0
3
9
VCC = PIN 16
GND = PIN 8
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet MC74F379.PDF ] | |
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