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PDF MC74VHC139 Data sheet ( Hoja de datos )
| Número de pieza | MC74VHC139 | |
| Descripción | Dual 2-to-4 Decoder/Demultiplexer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74VHC139
Dual 2−to−4 Decoder/
Demultiplexer
The MC74VHC139 is an advanced high speed CMOS 2−to−4
decoder/ demultiplexer fabricated with silicon gate CMOS
technology. It achieves high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining CMOS low power
dissipation.
When the device is enabled (E = low), it can be used for gating or as
a data input for demultiplexing operations. When the enable input is
held high, all four outputs are fixed high, independent of other inputs.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output. The
inputs tolerate voltages up to 7 V, allowing the interface of 5 V
systems to 3 V systems.
• High Speed: tPD = 5.0 ns (Typ) at VCC = 5 V
• Low Power Dissipation: ICC = 4 mA (Max) at TA = 25°C
• High Noise Immunity: VNIH = VNIL = 28% VCC
• Power Down Protection Provided on Inputs
• Balanced Propagation Delays
• Designed for 2 V to 5.5 V Operating Range
• Low Noise: VOLP = 0.8 V (Max)
• Pin and Function Compatible with Other Standard Logic Families
www.DataSheet4U.com
• Latchup Performance Exceeds 300 mA
• ESD Performance: Human Body Model > 2000 V;
Machine Model > 200 V
• Chip Complexity: 100 FETs or 25 Equivalent Gates
• Pb−Free Packages are Available*
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
SOIC−16
D SUFFIX
CASE 751B
MARKING DIAGRAMS
16
VHC139
AWLYYWW
1
9
8
16 9
TSSOP−16
DT SUFFIX
CASE 948F
VHC
139
ALYW
18
16
SOEIAJ−16
M SUFFIX
CASE 966
74VHC139
ALYW
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
PIN ASSIGNMENT
Ea
A0a
A1a
Y0a
Y1a
Y2a
Y3a
GND
1
2
3
4
5
6
7
8
16 VCC
15 Eb
14 A0b
13 A1b
12 Y0b
11 Y1b
10 Y2b
9 Y3b
9
8
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 2004
August, 2004 − Rev. 3
1
Publication Order Number:
MC74VHC139/D
1 page  
MC74VHC139
SWITCHING WAVEFORMS
A
tPLH
Y
50%
50% VCC
Figure 6.
tPHL
VCC
GND
E
50%
Y
tPHL
50% VCC
Figure 7.
VCC
GND
tPLH
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 8. Test Circuit
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74VHC139.PDF ] | |
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