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CD74HC42 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza CD74HC42
Descripción Electrónicos  High Speed CMOS Logic BCD To Decimal Decoder 1 of 10
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

CD74HC42 Datasheet(HTML) 1 Page - Texas Instruments

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Data sheet acquired from Harris Semiconductor
SCHS133
Features
• Buffered Inputs and Outputs
• Typical Propagation Delay: 12ns at VCC = 5V,
CL = 15pF, TA = 25
oC
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Description
The
Harris
CD74HC42,
CH74HCT42
BCD-to-Decimal
Decoders utilize silicon-gate CMOS technology to achieve
operating speeds similar to LSTTL decoders with the low
power consumption of standard CMOS integrated circuits.
These devices have the capability of driving 10 LSTLL loads
and are compatible with the standard 74LS logic family. One
of ten outputs (low on select) is selected in accordance with
the BCD input. Non-valid BCD inputs result in none of the
outputs being selected (all outputs are high).
Pinout
CD74HC42, CD74HCT42
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
PKG.
NO.
CD74HC42E
-55 to 125
16 Ld PDIP
E16.3
CD74HCT42E
-55 to 125
16 Ld PDIP
E16.3
CD74HC42M
-55 to 125
16 Ld SOIC
M16.15
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Die for this part number is available which meets all electrical
specifications. Please contact your local sales office or Harris
customer service for ordering information.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
Y0
Y1
Y2
Y3
Y4
Y5
GND
Y6
VCC
A1
A2
A3
Y9
Y8
Y7
A0
August 1997
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© Harris Corporation 1997
CD74HC42,
CD74HCT42
High Speed CMOS Logic
BCD To Decimal Decoder (1 of 10)
File Number
1689.1
[ /Title
(CD74H
C42,
CD74H
CT42)
/Subject
(High
Speed
CMOS
Logic
BCD To
Deci-


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