

SN74LVC541APW
Texas Instruments
-40℃~+125℃ 1 1.65V~3.6V 10uA 24mA 24mA 5.1ns@3.3V,50pF 74LVC 8 Power-off isolation、Output enable、Level shifting Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS
- Category
- Buffers, Drivers, Receivers, Transceivers
- Package
- TSSOP-20
- Pins
- 20
Overview
The SN74LVC541APW is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+125℃ 1 1.65V~3.6V 10uA 24mA 24mA 5.1ns@3.3V,50pF 74LVC 8 Power-off isolation、Output enable、Level shifting Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS541, from KiCad's library) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 8,538 are in stock at JLCPCB (part C113281). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
10- Supply, least
- 1.65 V · VCC, recommended operating min · p. 6
- Supply, most
- 3.6 V · VCC, recommended operating max · p. 6
- Supply, absolute maximum
- 6.5 V · VCC, absolute max · p. 5
- Works from
- -40 °C · Operating free-air temperature min · p. 6
- Works up to
- 125 °C · Operating free-air temperature max · p. 6
- Takes working
- 10 µA · ICC max, VCC = 3.6V, VI = VCC or GND, IO = 0 · p. 7
- A pin gives at most
- 50 mA · Continuous output current absolute max, source or sink · p. 5
- Junction to air (PW (TSSOP))
- 120.3 K/W · Junction-to-ambient thermal resistance · p. 6
- Junction to board (PW (TSSOP))
- 82.4 K/W · Junction-to-board thermal resistance · p. 6
- Junction to case (PW (TSSOP))
- 62.5 K/W · Junction-to-case top thermal resistance · p. 6
What it is and has
3- Buffers
- 8 non-inverting channels with 3-state outputs · p. 1
- Input voltage tolerance
- 5.5V · p. 1
- Output control
- OE1 and OE2 must both be low to enable all eight channels · p. 10
Around it
4- cap 0.1μF
- between VCC and GND; Bypass capacitor; install as close to the power terminal as possible. · p. 14
- cap 1μF
- between VCC and GND; Commonly used in parallel with the 0.1uF bypass capacitor. · p. 14
- res 10kΩ
- between input and VCC or GND; Pull-up or pull-down when a system does not always drive an input; unused inputs must have a valid logic level. · p. 11
- res 10kΩ
- between output and VCC or GND; Optional pull-up or pull-down to establish a known output voltage in the high-impedance state. · p. 10
Specifications
102| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage range VCC | Over operating free-air temperature range | min -0.5 · max 6.5 V | 5 |
| Input voltage range VI | May be exceeded if input current ratings are observed | min -0.5 · max 6.5 V | 5 |
| Voltage range applied to any output in the high-impedance or power-off state VO | May be exceeded if output current ratings are observed | min -0.5 · max 6.5 V | 5 |
| Voltage range applied to any output in the high or low state VO | Maximum is VCC + 0.5 V; may be exceeded if output current ratings are observed | min -0.5 V | 5 |
| Input clamp current IIK | VI < 0 | max -50 mA | 5 |
| Output clamp current IOK | VO < 0 | max -50 mA | 5 |
| Continuous output current IO | ±50 mA limit | max 50 mA | 5 |
| Continuous current through VCC or GND | ±100 mA limit | max 100 mA | 5 |
| Storage temperature Tstg | min -65 · max 150 °C | 5 | |
| Electrostatic discharge V(ESD) | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; ±2000 V | max 2000 V | 5 |
| Electrostatic discharge V(ESD) | Charged-device model (CDM), per ANSI/ESDA/JEDEC JS-002; ±1000 V | max 1000 V | 5 |
| Supply voltage VCC | SN74LVC541A; operating | min 1.65 · max 3.6 V | 6 |
| Supply voltage VCC | SN74LVC541A; data retention only | min 1.5 V | 6 |
| High-level input voltage VIH | SN74LVC541A; VCC = 2.3V to 2.7V | min 1.7 V | 6 |
| High-level input voltage VIH | SN74LVC541A; VCC = 2.7V to 3.6V | min 2 V | 6 |
| Low-level input voltage VIL | SN74LVC541A; VCC = 2.3V to 2.7V | max 0.7 V | 6 |
| Low-level input voltage VIL | SN74LVC541A; VCC = 2.7V to 3.6V | max 0.8 V | 6 |
| Input voltage VI | SN74LVC541A | min 0 · max 5.5 V | 6 |
| Output voltage VO | SN74LVC541A; high or low state; maximum VCC | min 0 V | 6 |
| Output voltage VO | SN74LVC541A; 3-state | min 0 · max 5.5 V | 6 |
| High-level output current IOH | SN74LVC541A; VCC = 1.65V | max -4 mA | 6 |
| High-level output current IOH | SN74LVC541A; VCC = 2.3V | max -8 mA | 6 |
| High-level output current IOH | SN74LVC541A; VCC = 2.7V | max -12 mA | 6 |
| High-level output current IOH | SN74LVC541A; VCC = 3V | max -24 mA | 6 |
| Low-level output current IOL | SN74LVC541A; VCC = 1.65V | max 4 mA | 6 |
| Low-level output current IOL | SN74LVC541A; VCC = 2.3V | max 8 mA | 6 |
| Low-level output current IOL | SN74LVC541A; VCC = 2.7V | max 12 mA | 6 |
| Low-level output current IOL | SN74LVC541A; VCC = 3V | max 24 mA | 6 |
| Operating free-air temperature TA | SN74LVC541A | min -40 · max 125 °C | 6 |
| RθJA RθJA | PW (TSSOP), 20 pins | typ 120.3 °C/W | 6 |
| RθJC(top) RθJC(top) | PW (TSSOP), 20 pins | typ 62.5 °C/W | 6 |
| RθJB RθJB | PW (TSSOP), 20 pins | typ 82.4 °C/W | 6 |
| ΨJT ΨJT | PW (TSSOP), 20 pins | typ 16 °C/W | 6 |
| ΨJB ΨJB | PW (TSSOP), 20 pins | typ 81.5 °C/W | 6 |
| VOH VOH | SN74LVC541A; –40°C to 85°C; IOH = –4mA; VCC = 1.65V | min 1.2 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 125°C; IOH = –4mA; VCC = 1.65V | min 1.2 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 85°C; IOH = –8mA; VCC = 2.3V | min 1.7 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 125°C; IOH = –8mA; VCC = 2.3V | min 1.7 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 85°C; IOH = –12mA; VCC = 2.7V | min 2.2 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 125°C; IOH = –12mA; VCC = 2.7V | min 2.2 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 85°C; IOH = –12mA; VCC = 3V | min 2.4 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 125°C; IOH = –12mA; VCC = 3V | min 2.4 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 85°C; IOH = –24mA; VCC = 3V | min 2.2 V | 7 |
| VOH VOH | SN74LVC541A; –40°C to 125°C; IOH = –24mA; VCC = 3V | min 2.2 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 85°C; IOL = 100uA; VCC = 1.65V to 3.6V | max 0.2 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 125°C; IOL = 100uA; VCC = 1.65V to 3.6V | max 0.3 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 85°C; IOL = 4mA; VCC = 1.65V | max 0.45 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 125°C; IOL = 4mA; VCC = 1.65V | max 0.45 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 85°C; IOL = 8mA; VCC = 2.3V | max 0.7 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 125°C; IOL = 8mA; VCC = 2.3V | max 0.7 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 85°C; IOL = 12mA; VCC = 2.7V | max 0.4 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 125°C; IOL = 12mA; VCC = 2.7V | max 0.4 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 85°C; IOL = 24mA; VCC = 3V | max 0.55 V | 7 |
| VOL VOL | SN74LVC541A; –40°C to 125°C; IOL = 24mA; VCC = 3V | max 0.55 V | 7 |
| II II | SN74LVC541A; –40°C to 85°C; VI = 0 to 5.5V; VCC = 3.6V; ±5 uA limit | max 5 uA | 7 |
| II II | SN74LVC541A; –40°C to 125°C; VI = 0 to 5.5V; VCC = 3.6V; ±5 uA limit | max 5 uA | 7 |
| Ioff Ioff | SN74LVC541A; –40°C to 85°C; VI or VO = 5.5V; VCC = 0; ±10 uA limit | max 10 uA | 7 |
| Ioff Ioff | SN74LVC541A; –40°C to 125°C; VI or VO = 5.5V; VCC = 0; ±10 uA limit | max 10 uA | 7 |
| IOZ IOZ | SN74LVC541A; –40°C to 85°C; VO = 0 to 5.5V; VCC = 3.6V; ±10 uA limit | max 10 uA | 7 |
| IOZ IOZ | SN74LVC541A; –40°C to 125°C; VO = 0 to 5.5V; VCC = 3.6V; ±10 uA limit | max 10 uA | 7 |
| ICC ICC | SN74LVC541A; –40°C to 85°C; VI = VCC or GND; IO = 0; VCC = 3.6V | max 10 uA | 7 |
| ICC ICC | SN74LVC541A; –40°C to 125°C; VI = VCC or GND; IO = 0; VCC = 3.6V | max 10 uA | 7 |
| ICC ICC | SN74LVC541A; –40°C to 85°C; 3.6V ≤ VI ≤ 5.5V; IO = 0; VCC = 3.6V; disabled state only | max 10 uA | 7 |
| ICC ICC | SN74LVC541A; –40°C to 125°C; 3.6V ≤ VI ≤ 5.5V; IO = 0; VCC = 3.6V; disabled state only | max 10 uA | 7 |
| ΔICC ΔICC | SN74LVC541A; –40°C to 85°C; one input at VCC – 0.6V, other inputs at VCC or GND; VCC = 2.7V to 3.6V | max 500 uA | 7 |
| ΔICC ΔICC | SN74LVC541A; –40°C to 125°C; one input at VCC – 0.6V, other inputs at VCC or GND; VCC = 2.7V to 3.6V | max 500 uA | 7 |
| Ci Ci | SN74LVC541A; –40°C to 85°C column; VI = VCC or GND; VCC = 3.3V; typical at TA = 25°C | typ 4 pF | 7 |
| Ci Ci | SN74LVC541A; –40°C to 125°C column; VI = VCC or GND; VCC = 3.3V; typical at TA = 25°C | typ 4 pF | 7 |
| Co Co | SN74LVC541A; –40°C to 85°C column; VO = VCC or GND; VCC = 3.3V; typical at TA = 25°C | typ 5.5 pF | 7 |
| Co Co | SN74LVC541A; –40°C to 125°C column; VO = VCC or GND; VCC = 3.3V; typical at TA = 25°C | typ 5.5 pF | 7 |
| tpd tpd | A to Y; VCC = 1.8V ± 0.15V | min 1 · max 15.7 ns | 8 |
| tpd tpd | A to Y; VCC = 2.5V ± 0.2V | min 1 · max 7.8 ns | 8 |
| tpd tpd | A to Y; VCC = 2.7V | min 1 · max 5.6 ns | 8 |
| tpd tpd | A to Y; VCC = 3.3V ± 0.3V | min 1.5 · max 5.1 ns | 8 |
| ten ten | OE to Y; VCC = 1.8V ± 0.15V | min 1 · max 17.5 ns | 8 |
| ten ten | OE to Y; VCC = 2.5V ± 0.2V | min 1 · max 10.5 ns | 8 |
| ten ten | OE to Y; VCC = 2.7V | min 1 · max 7.5 ns | 8 |
| ten ten | OE to Y; VCC = 3.3V ± 0.3V | min 1.5 · max 7 ns | 8 |
| tdis tdis | OE to Y; VCC = 1.8V ± 0.15V | min 1 · max 16.5 ns | 8 |
| tdis tdis | OE to Y; VCC = 2.5V ± 0.2V | min 1 · max 9 ns | 8 |
| tdis tdis | OE to Y; VCC = 2.7V | min 1 · max 7.7 ns | 8 |
| tdis tdis | OE to Y; VCC = 3.3V ± 0.3V | min 1.5 · max 7 ns | 8 |
| tsk(o) tsk(o) | VCC = 3.3V ± 0.3V | max 1 ns | 8 |
| tpd tpd | A to Y; VCC = 1.8V ± 0.15V | min 1 · max 16.3 ns | 8 |
| tpd tpd | A to Y; VCC = 2.5V ± 0.2V | min 1 · max 8.3 ns | 8 |
| tpd tpd | A to Y; VCC = 2.7V | min 1 · max 6.1 ns | 8 |
| tpd tpd | A to Y; VCC = 3.3V ± 0.3V | min 1 · max 5.6 ns | 8 |
| ten ten | OE to Y; VCC = 1.8V ± 0.15V | min 1 · max 18.5 ns | 8 |
| ten ten | OE to Y; VCC = 2.5V ± 0.2V | min 1 · max 11.1 ns | 8 |
| ten ten | OE to Y; VCC = 2.7V | min 1 · max 8 ns | 8 |
| ten ten | OE to Y; VCC = 3.3V ± 0.3V | min 1 · max 7.5 ns | 8 |
| tdis tdis | OE to Y; VCC = 1.8V ± 0.15V | min 1 · max 17.3 ns | 8 |
| tdis tdis | OE to Y; VCC = 2.5V ± 0.2V | min 1 · max 9.7 ns | 8 |
| tdis tdis | OE to Y; VCC = 2.7V | min 1 · max 8.2 ns | 8 |
| tdis tdis | OE to Y; VCC = 3.3V ± 0.3V | min 1 · max 7.5 ns | 8 |
| tsk(o) tsk(o) | VCC = 3.3V ± 0.3V | max 1.5 ns | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs enabled; VCC = 1.8V | typ 65 pF | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs enabled; VCC = 2.5V | typ 58 pF | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs enabled; VCC = 3.3V | typ 33 pF | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs disabled; VCC = 1.8V | typ 2 pF | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs disabled; VCC = 2.5V | typ 2 pF | 8 |
| Power dissipation capacitance per buffer/driver Cpd | TA = 25°C; f = 10MHz; outputs disabled; VCC = 3.3V | typ 2 pF | 8 |
Parameters
17- Channel Type
- Unidirectional
- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Features
- Output enable
- Logic Family
- 74LVC
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -40℃~+125℃
- Output Current per Pin(Max)
- 50mA
- Propagation Delay
- 5.1ns@3.3V,50pF
- Quiescent Current
- 10uA
- Thermal Resistance(Junction to Ambient)
- 120.3℃/W
- Thermal Resistance(Junction to Board)
- 82.4℃/W
- Thermal Resistance(Junction to Case)
- 62.5℃/W
- Voltage - Supply
- 1.65V~3.6V
- Voltage - Supply(Absolute Max)
- 6.5V
- output type
- Tri-State
Order codes
4- SN74LVC541APWRLCSC C113281
- SN74LVC541APWRG4LCSC C2675524
- SN74LVC541APWTLCSC C2675629
- SN74LVC541APWLCSC C34495
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | G1 | Input |
| 2 | A0 | Input |
| 3 | A1 | Input |
| 4 | A2 | Input |
| 5 | A3 | Input |
| 6 | A4 | Input |
| 7 | A5 | Input |
| 8 | A6 | Input |
| 9 | A7 | Input |
| 10 | GND | Power in |
| 11 | Y7 | Tri-state |
| 12 | Y6 | Tri-state |
| 13 | Y5 | Tri-state |
| 14 | Y4 | Tri-state |
| 15 | Y3 | Tri-state |
| 16 | Y2 | Tri-state |
| 17 | Y1 | Tri-state |
| 18 | Y0 | Tri-state |
| 19 | G2 | Input |
| 20 | VCC | Power in |
Open-source boards using it
All 2- 2 layers62 × 62 mm

- 6 layers175 × 150 mm

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Is there a KiCad symbol and footprint for the SN74LVC541APW?
Yes. The symbol is 74xx:74LS541 and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LVC541APW?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74LVC541APW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LVC541APW?
JLCPCB lists it as part C113281, with 8,538 in stock; the sellers' links on this page open their listings.
What can replace the SN74LVC541APW?
Parts like it in the library: the 74LVC245APW,118 by Nexperia, the SN74AHCT541PW by Texas Instruments, the SN74ACT244PW by Texas Instruments and the 74VHC245PW by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SN74LVC541APW?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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