There are no models available for this part yet.
Overview of MM74HCT149N by National Semiconductor Corporation
Note: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
- Distributor Offerings: ( 2 listings )
- Number of FFF Equivalents: ( 0 replacements )
- CAD Models: ( Request Part )
- Number of Functional Equivalents: ( 10 options )
- Part Data Attributes ( Available )
- Reference Designs: ( Not Available )
Price & Stock for MM74HCT149N by National Semiconductor Corporation
| Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| Bristol Electronics | Min Qty: 1 | 600 |
|
$7.3312 / $12.7500 | Buy Now | ||
| Quest Components | 480 |
|
$8.9250 / $17.0000 | Buy Now |
CAD Models for MM74HCT149N by National Semiconductor Corporation
Part Data Attributes for MM74HCT149N by National Semiconductor Corporation
|
|
|
|---|---|
|
Rohs Code
|
No
|
|
Part Life Cycle Code
|
Obsolete
|
|
Ihs Manufacturer
|
NATIONAL SEMICONDUCTOR CORP
|
|
Package Description
|
DIP, DIP20,.3
|
|
Reach Compliance Code
|
unknown
|
|
HTS Code
|
8542.39.00.01
|
|
Additional Feature
|
8 TO 8 LINE PRIORITY ENCODER; CASCADABLE
|
|
Family
|
HCT
|
|
JESD-30 Code
|
R-PDIP-T20
|
|
JESD-609 Code
|
e0
|
|
Length
|
26.075 mm
|
|
Load Capacitance (CL)
|
50 pF
|
|
Logic IC Type
|
ENCODER
|
|
Number of Bits
|
8
|
|
Number of Functions
|
1
|
|
Number of Terminals
|
20
|
|
Operating Temperature-Max
|
85 °C
|
|
Operating Temperature-Min
|
-40 °C
|
|
Package Body Material
|
PLASTIC/EPOXY
|
|
Package Code
|
DIP
|
|
Package Equivalence Code
|
DIP20,.3
|
|
Package Shape
|
RECTANGULAR
|
|
Package Style
|
IN-LINE
|
|
Propagation Delay (tpd)
|
59 ns
|
|
Qualification Status
|
Not Qualified
|
|
Seated Height-Max
|
5.08 mm
|
|
Supply Voltage-Max (Vsup)
|
5.5 V
|
|
Supply Voltage-Min (Vsup)
|
4.5 V
|
|
Supply Voltage-Nom (Vsup)
|
5 V
|
|
Surface Mount
|
NO
|
|
Technology
|
CMOS
|
|
Temperature Grade
|
INDUSTRIAL
|
|
Terminal Finish
|
TIN LEAD
|
|
Terminal Form
|
THROUGH-HOLE
|
|
Terminal Pitch
|
2.54 mm
|
|
Terminal Position
|
DUAL
|
|
Width
|
7.62 mm
|
Alternate Parts for MM74HCT149N
This table gives cross-reference parts and alternative options found for MM74HCT149N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of MM74HCT149N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Description | Manufacturer | Compare |
|---|---|---|---|
| M38510/31201B2C | Adder/Subtractor, LS Series, 4-Bit, Inverted Output, TTL, CQCC20, CERAMIC, LCC-20 | Lansdale Semiconductor Inc | MM74HCT149N vs M38510/31201B2C |
| SNJ54181W-10 | IC TTL/H/L SERIES, 4-BIT ARITHMETIC LOGIC UNIT, CDFP24, Arithmetic Circuit | Texas Instruments | MM74HCT149N vs SNJ54181W-10 |
| QS54FCT521TSOB | Identity Comparator, FCT Series, 8-Bit, Inverted Output, CMOS, PDSO20, | Quality Semiconductor Inc | MM74HCT149N vs QS54FCT521TSOB |
| HD74LS148FPEL | LS SERIES, 8-BIT ENCODER, PDSO16, 10.06 X 5.50 MM, 1.27 MM PITCH, , PLASTIC, SOP-16 | Renesas Electronics Corporation | MM74HCT149N vs HD74LS148FPEL |
| IDT39C60AD | Error Detection And Correction Circuit, CMOS Series, 16-Bit, CMOS, CDIP48, CERDIP-48 | Integrated Device Technology Inc | MM74HCT149N vs IDT39C60AD |
| IDT39C60-1CB | Error Detection And Correction Circuit, CMOS Series, 16-Bit, CMOS, CDIP48, 0.600 INCH, 2.54 MM PITCH, SIDE BRAZED, DIP-48 | Integrated Device Technology Inc | MM74HCT149N vs IDT39C60-1CB |
| AM2913LM | Encoder, LS Series, 8-Bit, TTL, CQCC20, LCC-20 | AMD | MM74HCT149N vs AM2913LM |
| 7604301FX | Adder/Subtractor, LS Series, 4-Bit, TTL, CDFP16, CERAMIC, DFP-16 | Lansdale Semiconductor Inc | MM74HCT149N vs 7604301FX |
| SN74LS689JS | LS SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDIP20, CERAMIC, DIP-20 | Motorola Mobility LLC | MM74HCT149N vs SN74LS689JS |
| CD54HCT85H/3 | Magnitude Comparator, HCT Series, 4-Bit, True Output, CMOS | Harris Semiconductor | MM74HCT149N vs CD54HCT85H/3 |