SN74LS593DWIn StockTexas Instruments
Texas Instruments SN74LS593DW is an 8-stage binary counter/register with registered inputs and multiplexed I/O, featuring a 20 MHz max frequency, TCO output, load/preset capability, and 5V operation in a 20-Pin SOIC package. From $0.48 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74LS593DW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4846(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-stage binary up counter with registered inputs and multiplexed I/O for flexible system integration
- TCO (Terminal Count Output) for easy cascading in multi-stage counter designs
- 20 MHz maximum operating frequency with 45 pF load capacitance in LS CMOS logic family
- Load/preset input enables synchronous parallel loading for versatile counting applications
- 5V supply operation in compact 20-Pin SOIC package suitable for space-constrained PCB layouts
Applications
The SN74LS593DW is ideal for digital frequency division, event counting, and address generation in embedded systems and industrial control applications. Its registered inputs and multiplexed I/O make it well-suited for bus-oriented data acquisition systems and programmable logic controllers. The TCO output enables straightforward cascading for wide-range counters used in telecommunications equipment and test instrumentation.
Specifications
| YTEOL | 0 |
| Additional Feature | TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O |
| Count Direction | UP |
| Family | LS |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 45pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 20000000Hz |
| Max I(ol) | 0.024A |
| Mode of Operation | ASYNCHRONOUS |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 80mA |
| Prop. Delay@Nom-Sup | 63ns |
| Propagation Delay (tpd) | 39ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 20MHz |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS593DW:
Binary Counter, LS Series, Asynchronous, Positive Edge Triggered, 8-Bit, Up Direction, TTL, PDSO20
Frequently Asked Questions
What is the maximum operating frequency of the SN74LS593DW?
The SN74LS593DW supports a maximum operating frequency of 20 MHz (20,000,000 Hz) at nominal supply voltage of 5V with a load capacitance of 45 pF, making it suitable for high-speed digital counting and frequency division applications.
Can the SN74LS593DW be cascaded to create wider counters?
Yes, the SN74LS593DW features a TCO (Terminal Count Output) specifically designed for cascading multiple devices. This allows designers to chain multiple 8-stage binary counters together to build wider counters for applications requiring large count ranges in telecommunications and instrumentation systems.
What package type does the SN74LS593DW come in and what are its key pin count details?
The SN74LS593DW is available in a 20-Pin SOIC (Small Outline Integrated Circuit) package, classified under JESD-30 code R-PDSO-G20. This surface-mount package is compact and well-suited for modern PCB designs requiring space-efficient component placement.
What is the supply voltage for the SN74LS593DW and which logic family does it belong to?
The SN74LS593DW operates at a supply voltage of 5V and belongs to the LS (Low-power Schottky) TTL logic family. It complies with JESD-609 code e4, ensuring compatibility with standard 5V digital logic systems commonly used in industrial and embedded control applications.
Where can I buy the SN74LS593DW and what is the price?
The SN74LS593DW is available from FindMyChip starting from approximately $0.48 per unit, with worldwide shipping options. You can submit a quote request on the product page to get current stock availability and volume pricing from verified distributors.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4846 | $0.48 |
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