SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250

SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250

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$12.94
$12.94
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SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250
  • SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250
  • SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250 – photo 2
  • SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250
  • SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250 – photo 2
SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250

SN74LS191N Motorola Synchronous 4 Bit Up/Down Counter IC | Multi Qty Lot 10 250

$12.94
$12.94
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Listing details

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SN74LS191N Motorola Synchronous 4-Bit Up/Down Counter IC | Multi-Qty Lot - BRAND: Motorola - MPN: SN74LS191N - CONDITION: New Old Stock (NOS) - Original uncirculated factory inventory with flawless, bright, clean straight pins. - QUANTITY TIERS: Available in wholesale lots of 10, 25, 100, and 250. Choose your target layout size from the multi-quantity selection list above. - QUICK SPECS: Synchronous 4-Bit binary counter with reversible up/down counting control. Low-Power Schottky TTL, standard through-hole 16-pin PDIP. Critical component line for classic arcade PCB chassis restoration, vintage micro-computing bus maintenance, and digital lab prototyping.



SN74LS191N Motorola

Synchronous 4-Bit Up/Down Binary Counter | Premium New Old Stock (NOS)

Product Overview

Up for sale are authentic, vintage Motorola SN74LS191N synchronous 4-bit binary up/down counter IC chips. Built with Motorola's legacy standards of hardware reliability, these monolithic logic circuits feature complex low-power Schottky TTL architecture. They are highly sought after for arcade PCB restorations, retro-computing maintenance, industrial control legacy equipment repairs, and hardware hacking/breadboard prototyping.

Sourced directly from uncirculated distributor inventory, these ICs are true New Old Stock (NOS). They have been meticulously preserved in climate-controlled environments and feature perfectly clean, bright, non-oxidized straight pins. Available in flexible wholesale quantity packs to fit your specific bench scale or production run.

Technical Specifications

Manufacturer Motorola
Manufacturer Part Number (MPN) SN74LS191N / MC74LS191N
Logic Function Synchronous 4-Bit Up/Down Binary Counter
Logic Family 74LS (Low-power Schottky TTL)
Package / Case PDIP-16 (Plastic Dual In-Line Package)
Pins / Mounting 16 Pins (Through-Hole / DIP)
Operating Supply Voltage 4.75V to 5.25V (5V Standard)
Counting Sequence Binary (Up / Down Selection)
Compatible Cross-References 74LS191, MC74LS191N, DM74LS191N, HD74LS191, NTE74LS191 series

Available Quantity Tiers

Select your preferred tier from the dropdown selection menu near the pricing block:

  • Pack of 10: Ideal for one-off system diagnostics, arcade chassis repairs, or laboratory breadboards.
  • Pack of 25: Balanced volume tier for intermediate circuit builds or workshop backup inventory.
  • Pack of 100: Wholesale economy tier packaged cleanly in protective anti-static component protection.
  • Pack of 250: Bulk commercial master lot tier optimized for distribution, repair depots, and high-volume electronics scaling.
Shipping & Handling: All semiconductor integrated circuits are strictly handled with proper anti-static precautions. Components are packaged inside rigid ESD rails, tubes, or shielded conductive bags to ensure zero pin bending, deformation, or physical static shock transit damage. Orders are processed rapidly and shipped directly from our domestic facility.