SN74LS221D
Texas InstrumentsExtended
0℃~+70℃ 11mA 2 4.75V~5.25V 400uA 45ns 74LS 8mA Monostable Reset input、Adjustable pulse width、Dual edge triggering Schmitt trigger SOIC-16 Monostable Multivibrators ROHS
- Part id
- ti/SN74LS221D
- Category
- Monostable Multivibrators
- Package
- SOIC-16
- Pins
- 16
- In stock
- 1,459 at JLCPCB (C1880227)
Overview
The SN74LS221D is a monostable Multivibrator made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 11mA 2 4.75V~5.25V 400uA 45ns 74LS 8mA Monostable Reset input、Adjustable pulse width、Dual edge triggering Schmitt trigger SOIC-16 Monostable Multivibrators ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS221, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 1,459 are in stock at JLCPCB (part C1880227).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A | Input |
| 2 | B | Input |
| 3 | CLR | Input |
| 4 | Q | Output |
| 5 | Q | Output |
| 6 | Cext | Input |
| 7 | RCext | Input |
| 8 | GND | Power in |
| 9 | A | Input |
| 10 | B | Input |
| 11 | CLR | Input |
| 12 | Q | Output |
| 13 | Q | Output |
| 14 | Cext | Input |
| 15 | RCext | Input |
| 16 | VCC | Power in |
Parts like it
8
74HC123D
SOIC-16-40℃~+125℃ 160uA 2 2V~6V 5.2mA 5.2mA 65ns 74HC Monostable Schmitt trigger SOIC-16 Monostable Multivibrators ROHSNexperiaMonostable MultivibratorsCD14538BM96
SOP-16-55℃~+125℃ 100ns 2 3V~18V 4000B 6.8mA 6.8mA Monostable Schmitt trigger SOP-16 Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsCD4528BM/TR
SOP-16-40℃~+85℃ 2 230ns 360uA 3V~15V 40XXSeries 5nA 880uA Monostable Reset input、Dual edge triggering、Retriggerable function SOP-16 Monostable Multivibrators ROHSHGSEMIMonostable MultivibratorsCD4538BM(LX)
SOP-16-40℃~+125℃ 1.3mA 1.3mA 2 3V~12V 4000Series 85ns Complementary type Monostable SOP-16 Monostable Multivibrators ROHSlingxingicMonostable MultivibratorsHEF4538BT(LX)
SOP-16-40℃~+125℃ 1.3mA 1.3mA 2 3V~12V 4000Series 85ns Complementary type Monostable Reset input、Adjustable pulse width、Dual edge triggering、Retriggerable function SOP-16 Monostable Multivibrators ROHSlingxingicMonostable MultivibratorsHEF4528BT
SOIC-162 35ns 4.5V~15.5V 4000B Monostable SOIC-16 Monostable Multivibrators ROHSNexperiaMonostable MultivibratorsMC14538BD
SOIC-16-55℃~+125℃ 2 3V~18V 4000B 5uA 8.8mA 8.8mA 95ns Monostable Schmitt trigger SOIC-16 Monostable Multivibrators ROHSonsemiMonostable MultivibratorsCD74HC123M96
SOIC-16-55℃~+125℃ 160uA 2 25ns 2V~6V 5.2mA 5.2mA 74HC Complementary type Monostable Schmitt trigger SOIC-16 Monostable Multivibrators ROHSTexas InstrumentsMonostable Multivibrators
Questions
Is there a KiCad symbol and footprint for the SN74LS221D?
Yes. The symbol is 74xx:74LS221 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS221D?
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS221D datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS221D?
JLCPCB lists it as part C1880227, with 1,459 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS221D?
Parts like it in the library: the 74HC123D by Nexperia, the CD14538BM96 by Texas Instruments, the CD4528BM/TR by HGSEMI and the CD4538BM(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.