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PDF 74LS298 Data sheet ( Hoja de datos )
| Número de pieza | 74LS298 | |
| Descripción | LOW POWER SCHOTTKY | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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SN74LS298
Quad 2-Input Multiplexer
with Storage
The SN74LS298 is a Quad 2-Port Register. It is the logical
equivalent of a quad 2-input multiplexer followed by a quad 4-bit
edge-triggered register. A Common Select input selects between two
4-bit input ports (data sources.) The selected data is transferred to the
output register synchronous with the HIGH to LOW transition of the
Clock input.
The LS298 is fabricated with the Schottky barrier process for high
speed and is completely compatible with all ON Semiconductor TTL
families.
• Select From Two Data Sources
• Fully Edge-Triggered Operation
• Typical Power Dissipation of 65 mW
• Input Clamp Diodes Limit High Speed Termination Effects
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC Supply Voltage
TA Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0 25 70 °C
IOH Output Current – High
IOL Output Current – Low
– 0.4
8.0
mA
mA
http://onsemi.com
LOW
POWER
SCHOTTKY
16
1
PLASTIC
N SUFFIX
CASE 648
16
1
SOIC
D SUFFIX
CASE 751B
ORDERING INFORMATION
Device
Package
Shipping
SN74LS298N 16 Pin DIP 2000 Units/Box
SN74LS298D
16 Pin
2500/Tape & Reel
© Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS298/D
1 page  
SN74LS298
AC WAVEFORMS
I0 I1* 1.3 V
ts(L)
CP 1.3 V
th(L)
tW(L)
tPHL
Q 1.3 V
1.3 V
th(H)
ts(H)
tW(H)
tPLH
1.3 V
1.3 V
S* 1.3 V
ts(L)
CP 1.3 V
Q
Figure 1.
*The shaded areas indicate when the input is permitted to
*change for predictable output performance.
th(L) = 0
1.3 V
th(H) = 0
ts(H)
1.3 V
Q = I0
Q = I1
Figure 2.
http://onsemi.com
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| PDF Descargar | [ Datasheet 74LS298.PDF ] | |
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