Part Details for DM54LS491AJ by National Semiconductor Corporation
Overview of DM54LS491AJ by National Semiconductor Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (6 crosses)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (6 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: 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.
Applications
Education and Research
Space Technology
Computing and Data Storage
Aerospace and Defense
Automotive
Part Details for DM54LS491AJ
DM54LS491AJ CAD Models
DM54LS491AJ Part Data Attributes
|
|
DM54LS491AJ
National Semiconductor Corporation
Buy Now
Datasheet
|
Compare Parts:
DM54LS491AJ
National Semiconductor Corporation
IC LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24, Counter
|
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | DIP, DIP24,.3 | |
| Reach Compliance Code | unknown | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | 6 MIDDLE BITS CAN BE SET H/L AS A GROUP | |
| Count Direction | BIDIRECTIONAL | |
| Family | LS | |
| JESD-30 Code | R-GDIP-T24 | |
| JESD-609 Code | e0 | |
| Load/Preset Input | NO | |
| Logic IC Type | BINARY COUNTER | |
| Max Frequency@Nom-Sup | 15300000 Hz | |
| Max I(ol) | 0.012 A | |
| Mode of Operation | SYNCHRONOUS | |
| Number of Bits | 10 | |
| Number of Functions | 1 | |
| Number of Terminals | 24 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Characteristics | 3-STATE | |
| Package Body Material | CERAMIC, GLASS-SEALED | |
| Package Code | DIP | |
| Package Equivalence Code | DIP24,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Power Supply Current-Max (ICC) | 180 mA | |
| Propagation Delay (tpd) | 25 ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.715 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 | TTL | |
| Temperature Grade | MILITARY | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Trigger Type | POSITIVE EDGE | |
| Width | 7.62 mm | |
| fmax-Min | 32 MHz |
Alternate Parts for DM54LS491AJ
This table gives cross-reference parts and alternative options found for DM54LS491AJ. 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 DM54LS491AJ, 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 |
|---|---|---|---|
| DM54LS491AJ/883 | LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24 | Texas Instruments | DM54LS491AJ vs DM54LS491AJ/883 |
| DM74LS491AJ | LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24 | Texas Instruments | DM54LS491AJ vs DM74LS491AJ |
| DM74LS491J | IC LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24, Counter | National Semiconductor Corporation | DM54LS491AJ vs DM74LS491J |
| DM54LS491J/883 | LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24 | Texas Instruments | DM54LS491AJ vs DM54LS491J/883 |
| DM74LS491AN | LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, PDIP24, SKINNY, PLASTIC, DIP-24 | Texas Instruments | DM54LS491AJ vs DM74LS491AN |
| DM74LS491J | LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY, CERAMIC, DIP-24 | Texas Instruments | DM54LS491AJ vs DM74LS491J |