SN74LS221DR
Texas Instruments · 16-SOIC (D)
SN74LS221DR is a Texas Instruments part in the Pulse & delay generators category (16-SOIC (D)). Dual monostable multivibrators with Schmitt-trigger inputs
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Get price & lead timeDatasheet (manufacturer)
- Brand
- Texas Instruments
- Category
- Pulse & delay generators
- Package
- 16-SOIC (D)
- Manufacturer L/T
- 26 weeks
- MOQ
- 1
- SPQ
- 2500
- RoHS
- Yes
- HS code
- 854239
- Checked
Stock, price and recent changes
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Buyer questions
Can ChipRadar source SN74LS221DR?
Manufacturer-site stock is a dated snapshot, not our inventory. Send the quantity and required date; ChipRadar checks sourcing options and replies with price, lead time and D/C.
What is the lead time for SN74LS221DR?
The manufacturer site lists a lead time of 26 weeks for SN74LS221DR; confirm the current lead time with a quote.
How can I check SN74LS221DR before I pay?
Ask for photos of the reel or tray labels and the D/C range with your quote. The scope of checks is agreed for each order.
What is the MOQ and packaging for SN74LS221DR?
Manufacturer MOQ: 1 pc; SPQ: 2,500 pcs. Smaller sample quantities on request.
Is there a drop-in replacement for SN74LS221DR?
Cross references listed in our catalogue: SN74LS221D. Confirm pin-compatibility with the datasheet before substituting.
Alternatives and cross references
All alternatives for SN74LS221DR →
Same series · SN74LS221
Incoming check
Marking, package, packing and compliance values are manufacturer-published data.
Documents & labels
- RoHS: Yes
- REACH (TI declaration): no SVHC above 0.1% and no Annex XVII restricted substance above its allowed limit. TI's definitions
Packing & moisture
- Standard pack quantity (SPQ): 2,500, packing: LARGE T&R
- Moisture sensitivity: MSL 1 (manufacturer datasheet)
Visual & marking
- Manufacturer marking: LS221 (manufacturer datasheet)
- Lead finish: NIPDAU (manufacturer datasheet)
Package & dimensions
- Package: 16-SOIC (D), 16 pins
- Package drawing (manufacturer PDF) →
About SN74LS221DR
SN74LS221DR is an orderable part number (P/N) from Texas Instruments, in the SN74LS221 family. Package: 16-SOIC (D). Category: Pulse & delay generators. Other P/N in the SN74LS221 family: 5. Lifecycle status on the manufacturer site: Active. Released January 1, 1990. Listed alternatives: SN74LS221D.
Get a quote for SN74LS221DR
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