PCF8575DB

Texas Instruments

-40℃~+85℃ 16 2.5V~5.5V 200uA 25mA 300uA 400kHz 8 I2C、SMBus Interrupt Output Open-drain Reset function、Cascading and address extension、Built-in LED driver SSOP-24-208mil I/O Expanders ROHS

Extended

Datasheetti/PCF8575DB

Category: I, O Expanders
Package: SSOP-24-208mil
Pins: 24

Overview

The PCF8575DB is an i, O Expander made by Texas Instruments in a SSOP-24-208mil package with 24 pins. -40℃~+85℃ 16 2.5V~5.5V 200uA 25mA 300uA 400kHz 8 I2C、SMBus Interrupt Output Open-drain Reset function、Cascading and address extension、Built-in LED driver SSOP-24-208mil I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (Interface_Expansion:PCF8575DBR, from KiCad's library) and its footprint (Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 2,147 are in stock at JLCPCB (part C2863388). 12 open-source boards in 12 repositories on GitHub use it.

Symbol

Interface_Expansion:PCF8575DBRFrom KiCad's library

Footprint

Package_SO:SSOP-24_5.3x8.2mm_P0.65mmFrom KiCad's library

From the datasheet

Supply, least: 2.5 V · VCC, recommended operating min · p. 4
Supply, most: 5.5 V · VCC, recommended operating max · p. 4
Supply, absolute maximum: 6.5 V · VCC, absolute max · p. 4
Works from: -40 °C · Operating free-air temperature min · p. 4
Works up to: 85 °C · Operating free-air temperature max · p. 4
A pin gives at most: 50 mA · Continuous output low current absolute max, VO = 0 to VCC · p. 4
Takes working: 100 µA · VCC operating current typical, 5.5 V, fscl = 400 kHz, IO = 0 · p. 5
Takes working: 30 µA · VCC operating current typical, 3.6 V, fscl = 400 kHz, IO = 0 · p. 5
Takes working: 20 µA · VCC operating current typical, 2.7 V, fscl = 400 kHz, IO = 0 · p. 5
Takes at most: 200 µA · VCC operating current max, 5.5 V, fscl = 400 kHz, IO = 0 · p. 5
Takes asleep: 2.5 µA · VCC standby current typical, 5.5 V, fscl = 0 kHz, IO = 0 · p. 5
Junction to air (DB): 63 K/W · Junction-to-ambient thermal resistance · p. 4
Data rate, most: 400 kbit/s · I2C clock frequency max · p. 5

What it is and has

I/O: 16-bit quasi-bidirectional port with latched outputs · p. 12
Interrupt: Open-drain interrupt output · p. 12
I2C: 400 kHz fast mode · p. 1
Hardware addressing: 3 address pins, up to 8 devices · p. 1
Package: SSOP, 24 pins, 8.20 mm × 5.30 mm · p. 1

Specifications

Parameter	Conditions	As printed	Page
Supply voltage range VCC	Over operating free-air temperature range	min -0.5 · max 6.5 V	4
Input voltage range VI	Over operating free-air temperature range; maximum VCC + 0.5 V	min -0.5 V	4
Output voltage range VO	Over operating free-air temperature range; maximum VCC + 0.5 V	min -0.5 V	4
Input clamp current IIK	VI < 0	max -20 mA	4
Output clamp current IOK	VO < 0	max -20 mA	4
Input/output clamp current IOK	VO < 0 or VO > VCC	max -20 mA	4
Continuous output low current IOL	VO = 0 to VCC	max 50 mA	4
Continuous output high current IOH	VO = 0 to VCC	max -4 mA	4
Continuous current through VCC or GND	Limit printed as ±100 mA	max 100 mA	4
Storage temperature range Tstg		max 150 °C	4
Electrostatic discharge V(ESD)	Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins	max 2000 V	4
Electrostatic discharge V(ESD)	Charged device model (CDM), per JEDEC specification JESD22-C101, all pins	max 1000 V	4
Supply voltage VCC		min 2.5 · max 5.5 V	4
Low-level input voltage VIL	Maximum 0.3 × VCC	min -0.5 V	4
P-port high-level output current IOH		max -1 mA	4
P-port transient pullup current IOHT		max -10 mA	4
P-port low-level output current IOL		max 25 mA	4
Operating free-air temperature TA		min -40 · max 85 °C	4
Junction-to-ambient thermal resistance RθJA	PCF8575, DB, 24 PINS	typ 63 °C/W	4
Input diode clamp voltage VIK	II = –18 mA; VCC = 2.5 V to 5.5 V	min -1.2 V	5
Power-on reset voltage VPOR	VI = VCC or GND, IO = 0; VCC = VPOR	typ 1.2 · max 1.8 V	5
P port IOH	VO = GND; VCC = 2.5 V to 5.5 V	min -30 · max -300 uA	5
P-port transient pullup current IOHT	High during ACK, VOH = GND; VCC = 2.5 V	min -0.5 · typ -1 mA	5
SDA IOL	VOL = 0.4 V; VCC = 2.5 V to 5.5 V	min 3 mA	5
P port IOL	VOL = 0.4 V; VCC = 2.5 V to 5.5 V	min 5 · typ 15 mA	5
P port IOL	VOL = 1 V; VCC = 2.5 V to 5.5 V	min 10 · typ 25 mA	5
INT IOL	VOL = 0.4 V; VCC = 2.5 V to 5.5 V	min 1.6 mA	5
SCL, SDA II	VI = VCC or GND; VCC = 2.5 V to 5.5 V; maximum printed as ±5 uA	max 5 uA	5
A0, A1, A2 II	VI = VCC or GND; VCC = 2.5 V to 5.5 V; maximum printed as ±1 uA	max 1 uA	5
P port IIHL	VI ≥ VCC or VI ≤ GND; VCC = 2.5 V to 5.5 V; maximum printed as ±400 uA	max 400 uA	5
Operating mode ICC	VI = VCC or GND, IO = 0, fscl = 400 kHz; VCC = 5.5 V	typ 100 · max 200 uA	5
Operating mode ICC	VI = VCC or GND, IO = 0, fscl = 400 kHz; VCC = 3.6 V	typ 30 · max 75 uA	5
Operating mode ICC	VI = VCC or GND, IO = 0, fscl = 400 kHz; VCC = 2.7 V	typ 20 · max 50 uA	5
Standby mode ICC	VI = VCC or GND, IO = 0, fscl = 0 kHz; VCC = 5.5 V	typ 2.5 · max 10 uA	5
Standby mode ICC	VI = VCC or GND, IO = 0, fscl = 0 kHz; VCC = 3.6 V	typ 2.5 · max 10 uA	5
Standby mode ICC	VI = VCC or GND, IO = 0, fscl = 0 kHz; VCC = 2.7 V	typ 2.5 · max 10 uA	5
Supply current increase ΔICC	One input at VCC – 0.6 V, Other inputs at VCC or GND; VCC = 2.5 V to 5.5 V	max 200 uA	5
SCL CI	VI = VCC or GND; VCC = 2.5 V to 5.5 V	typ 3 · max 7 pF	5
SDA Cio	VIO = VCC or GND; VCC = 2.5 V to 5.5 V	typ 3 · max 7 pF	5
P port Cio	VIO = VCC or GND; VCC = 2.5 V to 5.5 V	typ 4 · max 10 pF	5
I2C clock frequency fscl	Over recommended operating free-air temperature range	max 400 kHz	5
I2C clock high time tsch	Over recommended operating free-air temperature range	min 0.6 us	5
I2C clock low time tscl	Over recommended operating free-air temperature range	min 1.3 us	5
I2C spike time tsp	Over recommended operating free-air temperature range	max 50 ns	5
I2C serial data setup time tsds	Over recommended operating free-air temperature range	min 100 ns	5
I2C serial data hold time tsdh	Over recommended operating free-air temperature range	min 0 ns	5
I2C input rise time ticr	Minimum 20 + 0.1Cb; Cb is total bus capacitance of one bus line in pF	max 300 ns	5
I2C input fall time ticf	Minimum 20 + 0.1Cb; Cb is total bus capacitance of one bus line in pF	max 300 ns	5
I2C output fall time tocf	10-pF to 400-pF bus	max 300 ns	5
I2C bus free time between Stop and Start tbuf	Over recommended operating free-air temperature range	min 1.3 us	5
I2C start or repeated Start condition setup tsts	Over recommended operating free-air temperature range	min 0.6 us	5
I2C start or repeated Start condition hold tsth	Over recommended operating free-air temperature range	min 0.6 us	5
I2C Stop condition setup tsps	Over recommended operating free-air temperature range	min 0.6 us	5
Valid-data time tvd	SCL low to SDA output valid	max 1.2 us	5
I2C bus capacitive load Cb	Over recommended operating free-air temperature range	max 400 pF	5
Interrupt valid time tiv	P port to INT; CL ≤ 100 pF; over recommended operating free-air temperature range	max 4 us	6
Interrupt reset delay time tir	SCL to INT; CL ≤ 100 pF; over recommended operating free-air temperature range	max 4 us	6
Output data valid tpv	SCL to P port; CL ≤ 100 pF; over recommended operating free-air temperature range	max 4 us	6
Input data setup time tsu	P port to SCL; CL ≤ 100 pF; over recommended operating free-air temperature range	min 0 us	6
Input data hold time th	P port to SCL; CL ≤ 100 pF; over recommended operating free-air temperature range	min 4 us	6

Pins, by the datasheet

1 INT: Interrupt output; connect to VCC through a pull-up resistor. · p. 3
2 A1: Address input 1; connect directly to VCC or ground, without a pull-up resistor. · p. 3
3 A2: Address input 2; connect directly to VCC or ground, without a pull-up resistor. · p. 3
4 P00: P-port input/output. Push-pull design structure. · p. 3
5 P01: P-port input/output. Push-pull design structure. · p. 3
6 P02: P-port input/output. Push-pull design structure. · p. 3
7 P03: P-port input/output. Push-pull design structure. · p. 3
8 P04: P-port input/output. Push-pull design structure. · p. 3
9 P05: P-port input/output. Push-pull design structure. · p. 3
10 P06: P-port input/output. Push-pull design structure. · p. 3
11 P07: P-port input/output. Push-pull design structure. · p. 3
12 GND: Ground. · p. 3
13 P10: P-port input/output. Push-pull design structure. · p. 3
14 P11: P-port input/output. Push-pull design structure. · p. 3
15 P12: P-port input/output. Push-pull design structure. · p. 3
16 P13: P-port input/output. Push-pull design structure. · p. 3
17 P14: P-port input/output. Push-pull design structure. · p. 3
18 P15: P-port input/output. Push-pull design structure. · p. 3
19 P16: P-port input/output. Push-pull design structure. · p. 3
20 P17: P-port input/output. Push-pull design structure. · p. 3
21 A0: Address input 0; connect directly to VCC or ground, without a pull-up resistor. · p. 3
22 SCL: Serial clock line; connect to VCC through a pull-up resistor. · p. 3
23 SDA: Serial data line; connect to VCC through a pull-up resistor. · p. 3
24 VCC: Supply voltage. · p. 3

Parameters

Clock Frequency: 400kHz
Current - Output High(IOH): 300uA
Current - Output Low(IOL): 25mA
Current - Supply: 100uA
Current - Supply(Max): 200uA
Data Rate: 400kbps
Features: Reset function
Interface: I2C
Interrupt Output: Interrupt Output
Number of I/O: 16
Number of Supporting Devices: 8
Operating Temperature: -40℃~+85℃
Output Current per Pin(Max): 50mA
Output Type: Open-drain
Quiescent Supply Current: 200uA
Standby Current: 2.5uA
Thermal Resistance(Junction to Ambient): 63℃/W
Voltage - Supply: 2.5V~5.5V
Voltage - Supply(Absolute Max): 6.5V

Order codes

PCF8575DBLCSC C1542542
PCF8575DBRLCSC C2863388

Pinout

The pins of the PCF8575DB
Pin	Name	Type
1	INT	Open collector
2	A1	Input
3	A2	Input
4	P0	Input/output
5	P1	Input/output
6	P2	Input/output
7	P3	Input/output
8	P4	Input/output
9	P5	Input/output
10	P6	Input/output
11	P7	Input/output
12	GND	Power in
13	P10	Input/output
14	P11	Input/output
15	P12	Input/output
16	P13	Input/output
17	P14	Input/output
18	P15	Input/output
19	P16	Input/output
20	P17	Input/output
21	A0	Input
22	SCL	Input
23	SDA	Input/output
24	VCC	Power in

Open-source boards using it

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VolyaEth
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Scheme and PCB for VolyaEth
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Questions

Is there a KiCad symbol and footprint for the PCF8575DB?

Yes. The symbol is Interface_Expansion:PCF8575DBR and the footprint Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCF8575DB?

SSOP-24-208mil, with 24 pins. Its footprint is drawn on this page.

Where is the PCF8575DB datasheet?

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

Where can I order the PCF8575DB?

JLCPCB lists it as part C2863388, with 2,147 in stock; the sellers' links on this page open their listings.

What can replace the PCF8575DB?

Parts like it in the library: the PCF8575TS/1 by Nexperia, the PCA9555DB by NXP Semiconductors, the PCA9539DB by Texas Instruments and the PCA9535DB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCF8575DB?

12 boards in 12 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

PCF8575DB

Overview

Symbol

Footprint

From the datasheet

What it is and has

Specifications

Pins, by the datasheet

Parameters

Order codes

Pinout

Open-source boards using it

RCTransmitterAecertRobotics

Basicengine

Motherboard

BoardGame

BoneIO - external board

PrimecamLNABiasPotVreg

Ha pcb

VolyaEth

Show this part on your page

Questions

Is there a KiCad symbol and footprint for the PCF8575DB?

What package is the PCF8575DB?

Where is the PCF8575DB datasheet?

Where can I order the PCF8575DB?

What can replace the PCF8575DB?

Which open-source boards use the PCF8575DB?

Parts like it

PCF8575TS/1

PCA9555DB

PCA9539DB

PCA9535DB

PCF8575MS/TR

MAX7311AAG+T

MAX7312AAG

XL9555SS