Texas Instruments · Counters, Dividers
SN74LS191DR
Texas Instruments Counters, Dividers · SOIC-16
Request a quote for SN74LS191DRThe SN74LS191DR is a Counters, Dividers from Texas Instruments, supplied in a SOIC-16 package. It is listed in our Logic ICs catalog (Processors & Logic).
Key specifications of the SN74LS191DR: voltage - supply 4.75V~5.25V, resolution 4, operating temperature 0°C~+70°C, count rate 25MHz, direction Up Counter, Down Counter and logic type Divide-by-2.
PartnerSemi sources the SN74LS191DR for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.
Specifications
| Manufacturer part number | SN74LS191DR |
|---|---|
| Manufacturer | Texas Instruments |
| Product type | Counters, Dividers |
| Category | Logic ICs |
| Package / case | SOIC-16 |
| Count Rate | 25MHz |
| Direction | Up Counter, Down Counter |
| Logic Type | Divide-by-2 |
| Number of Elements | 1 |
| Operating Temperature | 0°C~+70°C |
| Power Dissipation | 100mW |
| Propagation Delay | 20ns |
| Reset | Asynchronous |
| Resolution | 4 |
| Timing | Synchronous |
| Trigger Type | Rising Edge |
| Voltage - Supply | 4.75V~5.25V |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More Texas Instruments Logic ICs
| Part number | Type | |
|---|---|---|
| SN74LS175 | logic IC | |
| SN74LS175DR | Flip Flops | |
| SN74LS183D | Specialty Logic | |
| SN74LS191 | logic IC | |
| SN74LS193 | logic IC | |
| SN74LS193N | Counters, Dividers | |
| SN74LS193NS | Counters, Dividers | |
| SN74LS194A | logic IC |
Similar part numbers from other manufacturers
Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.
| Part number | Manufacturer | Type | |
|---|---|---|---|
| SN74LS670N | onsemi | Specialty Logic | |
| SN74LS00N(LX) | lingxingic | Logic Gates | |
| SN74LS01N(LX) | lingxingic | Logic Gates | |
| SN74LS02N(LX) | lingxingic | Logic Gates | |
| SN74LS04N(LX) | lingxingic | Inverters | |
| SN74LS06N(LX) | lingxingic | Inverters | |
| SN74LS08N(LX) | lingxingic | Logic Gates | |
| SN74LS10N(LX) | lingxingic | Logic Gates |
Frequently asked questions
What is the SN74LS191DR?
The SN74LS191DR is a Counters, Dividers from Texas Instruments, supplied in a SOIC-16 package. It is listed in our Logic ICs catalog (Processors & Logic).
What are the specifications of the SN74LS191DR?
Count Rate: 25MHz; Direction: Up Counter, Down Counter; Logic Type: Divide-by-2; Number of Elements: 1; Operating Temperature: 0°C~+70°C; Power Dissipation: 100mW; Propagation Delay: 20ns; Reset: Asynchronous; Resolution: 4; Timing: Synchronous; Trigger Type: Rising Edge; Voltage - Supply: 4.75V~5.25V.
What package is the SN74LS191DR in?
The SN74LS191DR is listed in a SOIC-16 package.
Which part numbers are similar to the SN74LS191DR?
Similar part numbers in our catalog include SN74LS670N (onsemi), SN74LS00N(LX) (lingxingic), SN74LS01N(LX) (lingxingic), SN74LS02N(LX) (lingxingic), SN74LS04N(LX) (lingxingic) and SN74LS06N(LX) (lingxingic). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the SN74LS191DR?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=SN74LS191DR&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.