SN74ALS193ANE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The Texas Instruments SN74ALS193ANE4 is a 4-bit synchronous binary up/down counter from the ALS logic family, clocking up to 30 MHz with parallel load capability and separate up/down clocks. It is housed in a 16-pin PDIP package for through-hole applications.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ALS193ANE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74ALS193ANE4?
- 4-bit synchronous binary up/down counting
- Maximum counting frequency of 30 MHz
- Separate UP and DOWN clock inputs for flexible control
- Synchronous parallel load (preset) function
- ALS logic family with 50 pF load capacitance rating
- 16-pin PDIP through-hole package
What is SN74ALS193ANE4 used for?
The SN74ALS193ANE4 is used in digital systems requiring programmable frequency division, event counting, and address generation such as memory sequencers and digital timers. Its synchronous up/down architecture suits bidirectional position encoders and stepper motor indexers where counting direction changes without glitches. The device also fits legacy industrial control boards and educational lab kits that use 5 V through-hole logic.
What are the specifications of SN74ALS193ANE4?
| YTEOL | 0 |
| Count Direction | BIDIRECTIONAL |
| Family | ALS |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 30000000Hz |
| Max I(ol) | 0.008A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 22mA |
| Prop. Delay@Nom-Sup | 30ns |
| Propagation Delay (tpd) | 19ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 30MHz |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia, Mexico |
Where can I find the SN74ALS193ANE4 datasheet?
SN74ALS193ANE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ALS193ANE4?
Compatible alternatives and drop-in replacements for SN74ALS193ANE4:
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16
Frequently Asked Questions
At what maximum clock frequency can the SN74ALS193ANE4 reliably count, and what logic family is it part of?
The SN74ALS193ANE4 supports a maximum counting frequency of 30 MHz as part of Texas Instruments' ALS (Advanced Low-power Schottky) logic family, offering a good balance of speed and power for 5 V digital systems requiring reliable synchronous binary counting.
How does the parallel load feature benefit a frequency divider or timer design using the SN74ALS193ANE4?
The synchronous parallel load (preset) input allows designers to pre-load a specific 4-bit count value in a single clock cycle. This enables programmable modulo-N division or automatic reload timers without requiring additional discrete logic, reducing component count and board space in a 16-pin PDIP footprint.
Can the SN74ALS193ANE4 drive 50 pF load capacitances on a PCB trace, and what is its maximum output sink current?
Yes, the SN74ALS193ANE4 is rated for a 50 pF load capacitance and provides up to 8 mA output sink current (I_OL), which is sufficient to drive standard TTL and CMOS gate inputs as well as indicator LEDs through current-limiting resistors in typical digital logic boards.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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