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PDF 74LS377 Data sheet ( Hoja de datos )
| Número de pieza | 74LS377 | |
| Descripción | Octal D-Type Flip-Flop with Common Enable and Clock | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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October 1988
Revised March 2000
DM74LS377
Octal D-Type Flip-Flop with Common Enable and Clock
General Description
The DM74LS377 is an 8-bit register built using advanced
low power Schottky technology. This register consists of
eight D-type flip-flops with a buffered common clock and a
buffered common input enable. The device is packaged in
the space-saving (0.3 inch row spacing) 20-pin package.
Features
s 8-bit high speed parallel registers
s Positive edge-triggered D-type flip-flops
s Fully buffered common clock and enable inputs
Ordering Code:
Order Number Package Number
Package Description
DM74LS377WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS377N
N20A
20-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 Symbol
Connection Diagram
VCC = Pin 20
GND = Pin 10
Pin Descriptions
Pin Names
Description
E
D0–D7
CP
Q0–Q7
Enable Input (Active LOW)
Data Inputs
Clock Pulse Input (Active Rising Edge)
Flip-Flop Outputs
Truth Table
Inputs
E CP
HX
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Dn
X
H
L
Output
Qn
No Change
H
L
© 2000 Fairchild Semiconductor Corporation DS009831
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N20A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet 74LS377.PDF ] | |
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