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SN74LVC245APW on a board, in 3D

SN74LVC245APW

Texas Instruments

-40℃~+125℃ 1 1.65V~3.6V 24mA 24mA 3.8ns@3.3V,50pF 30uA 74LVC 8 Bidirectional Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/SN74LVC245APW
Category
Buffers, Drivers, Receivers, Transceivers
Package
TSSOP-20
Pins
20

Overview

The SN74LVC245APW 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 24mA 24mA 3.8ns@3.3V,50pF 30uA 74LVC 8 Bidirectional Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (Logic_LevelTranslator:SN74LVC245APW, 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. 29,582 are in stock at JLCPCB (part C7848). 36 open-source boards in 33 repositories on GitHub use it.

Symbol

DIR1A12A23A34A45A56A67A78A89GND10B811B712B613B514B415B316B217B118OE19VCC20
Logic_LevelTranslator:SN74LVC245APWFrom KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mmFrom KiCad's library

From the datasheet

10
Supply, least
1.65 V · VCC, recommended operating min · p. 5
Supply, most
3.6 V · VCC, recommended operating max · p. 5
Supply, absolute maximum
6.5 V · VCC, absolute maximum · p. 4
Works from
-40 °C · operating free-air temperature min · p. 5
Works up to
125 °C · operating free-air temperature max · p. 5
Takes working
30 µA · VCC supply current max, IO = 0, VI = VCC or GND, –40°C to 125°C · p. 6
A pin gives at most
50 mA · continuous output current absolute maximum magnitude · p. 4
Junction to air (PW)
108.1 K/W · junction-to-ambient thermal resistance · p. 5
Junction to case (PW)
43 K/W · junction-to-case(top) thermal resistance · p. 5
Junction to board (PW)
59.1 K/W · junction-to-board thermal resistance · p. 5

What it is and has

3
Function
Octal bus transceiver with 3-state outputs · p. 1
Input voltage tolerance
5.5 V · p. 1
Package
TSSOP (20), 6.50 mm × 4.40 mm body · p. 1

Around it

1
cap 0.1 μF
between VCC and GND; Single-supply bypass capacitor; install as close to the power terminal as possible. · p. 11

Specifications

153
ParameterConditionsAs printedPage
Supply voltage range VCCover operating free-air temperature rangemin -0.5 · max 6.5 V4
Input voltage range VIover operating free-air temperature rangemin -0.5 · max 6.5 V4
Voltage range applied to any output in the high-impedance or power-off state VOover operating free-air temperature rangemin -0.5 · max 6.5 V4
Voltage range applied to any output in the high or low state VOover operating free-air temperature range; maximum is VCC + 0.5 Vmin -0.5 V4
Input clamp current IIKVI < 0max -50 mA4
Output clamp current IOKVO < 0max -50 mA4
Continuous output current IO±50 mAmax 50 mA4
Continuous current through VCC or GND±100 mAmax 100 mA4
Storage temperature range Tstgmin -65 · max 150 °C4
Electrostatic discharge V(ESD)Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pinsmax 2000 V4
Electrostatic discharge V(ESD)Charged device model (CDM), per JEDEC specification JESD22-C101, all pinsmax 1000 V4
Supply voltage VCCOperating; TA = 25°Cmin 1.65 · max 3.6 V5
Supply voltage VCCOperating; –40°C to 85°Cmin 1.65 · max 3.6 V5
Supply voltage VCCOperating; –40°C to 125°Cmin 1.65 · max 3.6 V5
Supply voltage VCCData retention only; TA = 25°Cmin 1.5 V5
Supply voltage VCCData retention only; –40°C to 85°Cmin 1.5 V5
Supply voltage VCCData retention only; –40°C to 125°Cmin 1.5 V5
High-level input voltage VIHVCC = 2.3 V to 2.7 V; TA = 25°Cmin 1.7 V5
High-level input voltage VIHVCC = 2.3 V to 2.7 V; –40°C to 85°Cmin 1.7 V5
High-level input voltage VIHVCC = 2.3 V to 2.7 V; –40°C to 125°Cmin 1.7 V5
High-level input voltage VIHVCC = 2.7 V to 3.6 V; TA = 25°Cmin 2 V5
High-level input voltage VIHVCC = 2.7 V to 3.6 V; –40°C to 85°Cmin 2 V5
High-level input voltage VIHVCC = 2.7 V to 3.6 V; –40°C to 125°Cmin 2 V5
Low-level input voltage VILVCC = 2.3 V to 2.7 V; TA = 25°Cmax 0.7 V5
Low-level input voltage VILVCC = 2.3 V to 2.7 V; –40°C to 85°Cmax 0.7 V5
Low-level input voltage VILVCC = 2.3 V to 2.7 V; –40°C to 125°Cmax 0.7 V5
Low-level input voltage VILVCC = 2.7 V to 3.6 V; TA = 25°Cmax 0.8 V5
Low-level input voltage VILVCC = 2.7 V to 3.6 V; –40°C to 85°Cmax 0.8 V5
Low-level input voltage VILVCC = 2.7 V to 3.6 V; –40°C to 125°Cmax 0.8 V5
Input voltage VITA = 25°Cmin 0 · max 5.5 V5
Input voltage VI–40°C to 85°Cmin 0 · max 5.5 V5
Input voltage VI–40°C to 125°Cmin 0 · max 5.5 V5
Output voltage VOall listed temperature ranges; maximum is VCCmin 0 V5
High-level output current IOHVCC = 1.65 V; TA = 25°Cmax -4 mA5
High-level output current IOHVCC = 1.65 V; –40°C to 85°Cmax -4 mA5
High-level output current IOHVCC = 1.65 V; –40°C to 125°Cmax -4 mA5
High-level output current IOHVCC = 2.3 V; TA = 25°Cmax -8 mA5
High-level output current IOHVCC = 2.3 V; –40°C to 85°Cmax -8 mA5
High-level output current IOHVCC = 2.3 V; –40°C to 125°Cmax -8 mA5
High-level output current IOHVCC = 2.7 V; TA = 25°Cmax -12 mA5
High-level output current IOHVCC = 2.7 V; –40°C to 85°Cmax -12 mA5
High-level output current IOHVCC = 2.7 V; –40°C to 125°Cmax -12 mA5
High-level output current IOHVCC = 3 V; TA = 25°Cmax -24 mA5
High-level output current IOHVCC = 3 V; –40°C to 85°Cmax -24 mA5
High-level output current IOHVCC = 3 V; –40°C to 125°Cmax -24 mA5
Low-level output current IOLVCC = 1.65 V; TA = 25°Cmax 4 mA5
Low-level output current IOLVCC = 1.65 V; –40°C to 85°Cmax 4 mA5
Low-level output current IOLVCC = 1.65 V; –40°C to 125°Cmax 4 mA5
Low-level output current IOLVCC = 2.3 V; TA = 25°Cmax 8 mA5
Low-level output current IOLVCC = 2.3 V; –40°C to 85°Cmax 8 mA5
Low-level output current IOLVCC = 2.3 V; –40°C to 125°Cmax 8 mA5
Low-level output current IOLVCC = 2.7 V; TA = 25°Cmax 12 mA5
Low-level output current IOLVCC = 2.7 V; –40°C to 85°Cmax 12 mA5
Low-level output current IOLVCC = 2.7 V; –40°C to 125°Cmax 12 mA5
Low-level output current IOLVCC = 3 V; TA = 25°Cmax 24 mA5
Low-level output current IOLVCC = 3 V; –40°C to 85°Cmax 24 mA5
Low-level output current IOLVCC = 3 V; –40°C to 125°Cmax 24 mA5
Input transition rise or fall rate Δt/ΔvTA = 25°Cmax 10 ns/V5
Input transition rise or fall rate Δt/Δv–40°C to 85°Cmax 10 ns/V5
Input transition rise or fall rate Δt/Δv–40°C to 125°Cmax 10 ns/V5
Junction-to-ambient thermal resistance RθJAPW; 20 pinstyp 108.1 °C/W5
Junction-to-case(top) thermal resistance RθJC(top)PW; 20 pinstyp 43 °C/W5
Junction-to-board thermal resistance RθJBPW; 20 pinstyp 59.1 °C/W5
Junction-to-top characterization parameter ψJTPW; 20 pinstyp 4.7 °C/W5
Junction-to-board characterization parameter ψJBPW; 20 pinstyp 58.6 °C/W5
VOH VOHIOH = –4 mA; VCC = 1.65 V; TA = 25°Cmin 1.29 V6
VOH VOHIOH = –4 mA; VCC = 1.65 V; –40°C to 85°Cmin 1.2 V6
VOH VOHIOH = –4 mA; VCC = 1.65 V; –40°C to 125°Cmin 1.1 V6
VOH VOHIOH = –8 mA; VCC = 2.3 V; TA = 25°Cmin 1.9 V6
VOH VOHIOH = –8 mA; VCC = 2.3 V; –40°C to 85°Cmin 1.7 V6
VOH VOHIOH = –8 mA; VCC = 2.3 V; –40°C to 125°Cmin 1.6 V6
VOH VOHIOH = –12 mA; VCC = 2.7 V; TA = 25°Cmin 2.2 V6
VOH VOHIOH = –12 mA; VCC = 2.7 V; –40°C to 85°Cmin 2.2 V6
VOH VOHIOH = –12 mA; VCC = 2.7 V; –40°C to 125°Cmin 2.1 V6
VOH VOHIOH = –12 mA; VCC = 3 V; TA = 25°Cmin 2.4 V6
VOH VOHIOH = –12 mA; VCC = 3 V; –40°C to 85°Cmin 2.4 V6
VOH VOHIOH = –12 mA; VCC = 3 V; –40°C to 125°Cmin 2.3 V6
VOH VOHIOH = –24 mA; VCC = 3 V; TA = 25°Cmin 2.3 V6
VOH VOHIOH = –24 mA; VCC = 3 V; –40°C to 85°Cmin 2.2 V6
VOH VOHIOH = –24 mA; VCC = 3 V; –40°C to 125°Cmin 2.1 V6
VOL VOLIOL = 100 uA; VCC = 1.65 V to 3.6 V; TA = 25°Cmax 0.1 V6
VOL VOLIOL = 100 uA; VCC = 1.65 V to 3.6 V; –40°C to 85°Cmax 0.2 V6
VOL VOLIOL = 100 uA; VCC = 1.65 V to 3.6 V; –40°C to 125°Cmax 0.2 V6
VOL VOLIOL = 4 mA; VCC = 1.65 V; TA = 25°Cmax 0.24 V6
VOL VOLIOL = 4 mA; VCC = 1.65 V; –40°C to 85°Cmax 0.45 V6
VOL VOLIOL = 4 mA; VCC = 1.65 V; –40°C to 125°Cmax 0.6 V6
VOL VOLIOL = 8 mA; VCC = 2.3 V; TA = 25°Cmax 0.3 V6
VOL VOLIOL = 8 mA; VCC = 2.3 V; –40°C to 85°Cmax 0.7 V6
VOL VOLIOL = 8 mA; VCC = 2.3 V; –40°C to 125°Cmax 0.75 V6
VOL VOLIOL = 12 mA; VCC = 2.7 V; TA = 25°Cmax 0.4 V6
VOL VOLIOL = 12 mA; VCC = 2.7 V; –40°C to 85°Cmax 0.4 V6
VOL VOLIOL = 12 mA; VCC = 2.7 V; –40°C to 125°Cmax 0.6 V6
VOL VOLIOL = 24 mA; VCC = 3 V; TA = 25°Cmax 0.55 V6
VOL VOLIOL = 24 mA; VCC = 3 V; –40°C to 85°Cmax 0.55 V6
VOL VOLIOL = 24 mA; VCC = 3 V; –40°C to 125°Cmax 0.75 V6
II IIControl inputs; VI = 0 to 5.5 V; VCC = 3.6 V; TA = 25°C; ± limitmax 1 uA6
II IIControl inputs; VI = 0 to 5.5 V; VCC = 3.6 V; –40°C to 85°C; ± limitmax 5 uA6
II IIControl inputs; VI = 0 to 5.5 V; VCC = 3.6 V; –40°C to 125°C; ± limitmax 10 uA6
Ioff IoffVI or VO = 5.5 V; VCC = 0; TA = 25°C; ± limitmax 1 uA6
Ioff IoffVI or VO = 5.5 V; VCC = 0; –40°C to 85°C; ± limitmax 10 uA6
Ioff IoffVI or VO = 5.5 V; VCC = 0; –40°C to 125°C; ± limitmax 20 uA6
IOZ IOZVO = 0 to 5.5 V; VCC = 3.6 V; TA = 25°C; ± limitmax 1 uA6
IOZ IOZVO = 0 to 5.5 V; VCC = 3.6 V; –40°C to 85°C; ± limitmax 10 uA6
IOZ IOZVO = 0 to 5.5 V; VCC = 3.6 V; –40°C to 125°C; ± limitmax 20 uA6
ICC ICCVI = VCC or GND; IO = 0; VCC = 3.6 V; TA = 25°Cmax 1 uA6
ICC ICCVI = VCC or GND; IO = 0; VCC = 3.6 V; –40°C to 85°Cmax 10 uA6
ICC ICCVI = VCC or GND; IO = 0; VCC = 3.6 V; –40°C to 125°Cmax 30 uA6
ICC ICC3.6 V ≤ VI ≤ 5.5 V; disabled state only; IO = 0; VCC = 3.6 V; TA = 25°Cmax 1 uA6
ICC ICC3.6 V ≤ VI ≤ 5.5 V; disabled state only; IO = 0; VCC = 3.6 V; –40°C to 85°Cmax 10 uA6
ICC ICC3.6 V ≤ VI ≤ 5.5 V; disabled state only; IO = 0; VCC = 3.6 V; –40°C to 125°Cmax 30 uA6
ΔICC ΔICCOne input at VCC – 0.6 V, other inputs at VCC or GND; VCC = 2.7 V to 3.6 V; TA = 25°Cmax 500 uA6
ΔICC ΔICCOne input at VCC – 0.6 V, other inputs at VCC or GND; VCC = 2.7 V to 3.6 V; –40°C to 85°Cmax 500 uA6
ΔICC ΔICCOne input at VCC – 0.6 V, other inputs at VCC or GND; VCC = 2.7 V to 3.6 V; –40°C to 125°Cmax 5000 uA6
Ci CiControl inputs; VI = VCC or GND; VCC = 3.3 V; TA = 25°Ctyp 4 pF6
Cio CioA or B ports; VI = VCC or GND; VCC = 3.3 V; TA = 25°Ctyp 5.5 pF6
tpd tpdA or B to B or A; VCC = 1.8 V ± 0.15 V; TA = 25°Cmin 1 · typ 6 · max 12.2 ns6
tpd tpdA or B to B or A; VCC = 1.8 V ± 0.15 V; –40°C to 85°Cmin 1 · max 12.7 ns6
tpd tpdA or B to B or A; VCC = 1.8 V ± 0.15 V; –40°C to 125°Cmin 1 · max 13.7 ns6
tpd tpdA or B to B or A; VCC = 2.5 V ± 0.2 V; TA = 25°Cmin 1 · typ 3.9 · max 7.8 ns6
tpd tpdA or B to B or A; VCC = 2.5 V ± 0.2 V; –40°C to 85°Cmin 1 · max 8.3 ns6
tpd tpdA or B to B or A; VCC = 2.5 V ± 0.2 V; –40°C to 125°Cmin 1 · max 9.1 ns6
tpd tpdA or B to B or A; VCC = 2.7 V; TA = 25°Cmin 1 · typ 4.2 · max 7.1 ns6
tpd tpdA or B to B or A; VCC = 2.7 V; –40°C to 85°Cmin 1 · max 7.3 ns6
tpd tpdA or B to B or A; VCC = 2.7 V; –40°C to 125°Cmin 1 · max 8.3 ns6
tpd tpdA or B to B or A; VCC = 3.3 V ± 0.3 V; TA = 25°Cmin 1.5 · typ 3.8 · max 6.1 ns6
tpd tpdA or B to B or A; VCC = 3.3 V ± 0.3 V; –40°C to 85°Cmin 1.5 · max 6.3 ns6
tpd tpdA or B to B or A; VCC = 3.3 V ± 0.3 V; –40°C to 125°Cmin 1.5 · max 7.3 ns6
ten tenOE to A or B; VCC = 1.8 V ± 0.15 V; TA = 25°Cmin 1 · typ 7 · max 14.8 ns6
ten tenOE to A or B; VCC = 1.8 V ± 0.15 V; –40°C to 85°Cmin 1 · max 15.3 ns6
ten tenOE to A or B; VCC = 1.8 V ± 0.15 V; –40°C to 125°Cmin 1 · max 16.8 ns6
ten tenOE to A or B; VCC = 2.5 V ± 0.2 V; TA = 25°Cmin 1 · typ 4.5 · max 10 ns6
ten tenOE to A or B; VCC = 2.5 V ± 0.2 V; –40°C to 85°Cmin 1 · max 10.5 ns6
ten tenOE to A or B; VCC = 2.5 V ± 0.2 V; –40°C to 125°Cmin 1 · max 12 ns6
ten tenOE to A or B; VCC = 2.7 V; TA = 25°Cmin 1 · typ 5.4 · max 9.3 ns6
ten tenOE to A or B; VCC = 2.7 V; –40°C to 85°Cmin 1 · max 9.5 ns6
ten tenOE to A or B; VCC = 2.7 V; –40°C to 125°Cmin 1 · max 11 ns6
ten tenOE to A or B; VCC = 3.3 V ± 0.3 V; TA = 25°Cmin 1.5 · typ 4.4 · max 8.3 ns6
ten tenOE to A or B; VCC = 3.3 V ± 0.3 V; –40°C to 85°Cmin 1.5 · max 8.5 ns6
ten tenOE to A or B; VCC = 3.3 V ± 0.3 V; –40°C to 125°Cmin 1.5 · max 10 ns6
tdis tdisOE to A or B; VCC = 1.8 V ± 0.15 V; TA = 25°Cmin 1 · typ 7.8 · max 16.5 ns6
tdis tdisOE to A or B; VCC = 1.8 V ± 0.15 V; –40°C to 85°Cmin 1 · max 17 ns6
tdis tdisOE to A or B; VCC = 1.8 V ± 0.15 V; –40°C to 125°Cmin 1 · max 18 ns6
tdis tdisOE to A or B; VCC = 2.5 V ± 0.2 V; TA = 25°Cmin 1 · typ 4 · max 9 ns6
tdis tdisOE to A or B; VCC = 2.5 V ± 0.2 V; –40°C to 85°Cmin 1 · max 9.5 ns6
tdis tdisOE to A or B; VCC = 2.5 V ± 0.2 V; –40°C to 125°Cmin 1 · max 10.5 ns6
tdis tdisOE to A or B; VCC = 2.7 V; TA = 25°Cmin 1 · typ 4.4 · max 8.3 ns6
tdis tdisOE to A or B; VCC = 2.7 V; –40°C to 85°Cmin 1 · max 8.5 ns6
tdis tdisOE to A or B; VCC = 2.7 V; –40°C to 125°Cmin 1 · max 9.5 ns6
tdis tdisOE to A or B; VCC = 3.3 V ± 0.3 V; TA = 25°Cmin 1.7 · typ 4.1 · max 7.3 ns6
tdis tdisOE to A or B; VCC = 3.3 V ± 0.3 V; –40°C to 85°Cmin 1.7 · max 7.5 ns6
tdis tdisOE to A or B; VCC = 3.3 V ± 0.3 V; –40°C to 125°Cmin 1.7 · max 8.5 ns6
tsk(o) tsk(o)VCC = 3.3 V ± 0.3 V; –40°C to 85°Cmax 1 ns6
tsk(o) tsk(o)VCC = 3.3 V ± 0.3 V; –40°C to 125°Cmax 1.5 ns6

Pins, by the datasheet

20
1 DIR
Direction control: high propagates A to B; low propagates B to A. · p. 3
2 A1
Transceiver I/O pin. · p. 3
3 A2
Transceiver I/O pin. · p. 3
4 A3
Transceiver I/O pin. · p. 3
5 A4
Transceiver I/O pin. · p. 3
6 A5
Transceiver I/O pin. · p. 3
7 A6
Transceiver I/O pin. · p. 3
8 A7
Transceiver I/O pin. · p. 3
9 A8
Transceiver I/O pin. · p. 3
10 GND
Ground. · p. 3
11 B8
Transceiver I/O pin. · p. 3
12 B7
Transceiver I/O pin. · p. 3
13 B6
Transceiver I/O pin. · p. 3
14 B5
Transceiver I/O pin. · p. 3
15 B4
Transceiver I/O pin. · p. 3
16 B3
Transceiver I/O pin. · p. 3
17 B2
Transceiver I/O pin. · p. 3
18 B1
Transceiver I/O pin. · p. 3
19 OE
Output enable. · p. 3
20 VCC
Power pin. · p. 3

Parameters

17
Channel Type
Bidirectional
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Features
Level shifting
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
3.8ns@3.3V,50pF
Quiescent Current
30uA
Thermal Resistance(Junction to Ambient)
108.1℃/W
Thermal Resistance(Junction to Board)
59.1℃/W
Thermal Resistance(Junction to Case)
43℃/W
Voltage - Supply
1.65V~3.6V
Voltage - Supply(Absolute Max)
6.5V
output type
Tri-State

Order codes

2

Pinout

20
The pins of the SN74LVC245APW
PinNameType
1DIRInput
2A1Input/output
3A2Input/output
4A3Input/output
5A4Input/output
6A5Input/output
7A6Input/output
8A7Input/output
9A8Input/output
10GNDPower in
11B8Input/output
12B7Input/output
13B6Input/output
14B5Input/output
15B4Input/output
16B3Input/output
17B2Input/output
18B1Input/output
19OEInput
20VCCPower in

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Questions

Is there a KiCad symbol and footprint for the SN74LVC245APW?

Yes. The symbol is Logic_LevelTranslator:SN74LVC245APW 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 SN74LVC245APW?

TSSOP-20, with 20 pins. Its footprint is drawn on this page.

Where is the SN74LVC245APW datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the SN74LVC245APW?

JLCPCB lists it as part C7848, with 29,582 in stock; the sellers' links on this page open their listings.

What can replace the SN74LVC245APW?

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 SN74LVC245APW?

36 boards in 33 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8