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PDF DM74LS273 Data sheet ( Hoja de datos )
| Número de pieza | DM74LS273 | |
| Descripción | 8-Bit Register with Clear | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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October 1988
Revised March 2000
DM74LS273
8-Bit Register with Clear
General Description
The DM74LS273 is a high speed 8-bit register, consisting
of eight D-type flip-flops with a common Clock and an
asynchronous active LOW Master Reset. This device is
supplied in a 20-pin package featuring 0.3 inch row spac-
ing.
Features
s Edge-triggered
s 8-bit high speed register
s Parallel in and out
s Common clock and master reset
Ordering Code:
Order Number Package Number
Package Description
DM74LS273WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS273SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS273N
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
Truth Table
Pin Names
Description
CP Clock Pulse Input (Active Rising Edge)
D0–D7
Data Inputs
MR Asynchronous Master Reset Input (Active LOW)
Q0–Q7 Flip-Flop Outputs
Inputs
MR CP
L
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
X
Outputs
Dn Qn
XL
HH
LL
© 2000 Fairchild Semiconductor Corporation DS009825
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet DM74LS273.PDF ] | |
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