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TCAL9539

Name: TCAL9539
Brand: TI
SKU: TCAL9539
Price: 0.7 USD

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16-Bit-Niederspannungs-I²C-Bus- und SMBus-E/A-Expander mit Interrupt, Reset und agiler E/A-Konfigura

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Datenblatt

document-pdfAcrobat TCAL9539 Low-Voltage 16-Bit I2C-Bus, SMBus I/O Expander with Interrupt Output, Reset, and Configuration Registers datasheet (Englisch) PDF | HTML

TCAL9539

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Datenblatt

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Produktdetails

Number of I/Os

16

Features

1-MHz maximum frequency, Adjustable I/O level, Configuration registers, Interrupt pin, Reset pin

Supply voltage (min) (V)

1.08

Supply voltage (max) (V)

3.6

Addresses

4

Rating

Catalog

Frequency (max) (MHz)

1

Operating temperature range (°C)

-40 to 125

Number of I/Os

16

Features

1-MHz maximum frequency, Adjustable I/O level, Configuration registers, Interrupt pin, Reset pin

Supply voltage (min) (V)

1.08

Supply voltage (max) (V)

3.6

Addresses

4

Rating

Catalog

Frequency (max) (MHz)

1

Operating temperature range (°C)

-40 to 125

TSSOP (PW)

24

49.92 mm² 7.8 x 6.4

WQFN (RTW)

24

16 mm² 4 x 4

Operating power-supply voltage range of 1.08 V to 3.6 V
Low standby current consumption of 1 µA typical at 1.8 mV
1-MHz fast mode plus I²C bus
Hardware address pin allows two devices on the same I²C, SMBus bus
Active-low reset input (RESET )
Open-drain active-low interrupt output (INT )
Input or output configuration register
Polarity inversion register
Configurable I/O drive strength register
Pull-up and pull-down resistor configuration register
Internal power-on reset
Noise filter on SCL or SDA inputs
Latched outputs with high-current drive maximum capability for directly driving LEDs
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD protection exceeds JESD 22
- 2000-V Human-body model (A114-A)
- 1000-V Charged-device model (C101)

Operating power-supply voltage range of 1.08 V to 3.6 V
Low standby current consumption of 1 µA typical at 1.8 mV
1-MHz fast mode plus I²C bus
Hardware address pin allows two devices on the same I²C, SMBus bus
Active-low reset input (RESET )
Open-drain active-low interrupt output (INT )
Input or output configuration register
Polarity inversion register
Configurable I/O drive strength register
Pull-up and pull-down resistor configuration register
Internal power-on reset
Noise filter on SCL or SDA inputs
Latched outputs with high-current drive maximum capability for directly driving LEDs
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD protection exceeds JESD 22
- 2000-V Human-body model (A114-A)
- 1000-V Charged-device model (C101)

The TCAL9539 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I²C bus (or SMBus) protocol and is designed for 1.08-V to 3.6-V V_CC operation.

The device supports 100-kHz (Standard-mode), 400-kHz (Fast-mode), and 1-MHz (fast-mode-plus) I²C clock frequencies. I/O expanders such as the TCAL9539 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and so on.

The TCAL9539 has Agile I/O ports which include additional features designed to enhance the I/O performance in terms of speed, power consumption and EMI. The additional features are: programmable output drive strength, programmable pull-up and pull-down resistors, latchable inputs, maskable interrupt, interrupt status register, and programmable open-drain or push-pull outputs.

The TCAL9539 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I²C bus (or SMBus) protocol and is designed for 1.08-V to 3.6-V V_CC operation.

The device supports 100-kHz (Standard-mode), 400-kHz (Fast-mode), and 1-MHz (fast-mode-plus) I²C clock frequencies. I/O expanders such as the TCAL9539 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and so on.

The TCAL9539 has Agile I/O ports which include additional features designed to enhance the I/O performance in terms of speed, power consumption and EMI. The additional features are: programmable output drive strength, programmable pull-up and pull-down resistors, latchable inputs, maskable interrupt, interrupt status register, and programmable open-drain or push-pull outputs.

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Alle anzeigen 4

	Typ	Titel		Datum
*	Data sheet	TCAL9539 Low-Voltage 16-Bit I2C-Bus, SMBus I/O Expander with Interrupt Output, Reset, and Configuration Registers datasheet	PDF \| HTML	14 Jul 2022
	Application note	I2C: What is the Auto Increment Feature?	PDF \| HTML	05 Jul 2024
	Application note	Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A)	PDF \| HTML	03 Jul 2024
	Application note	Features of TCAL Agile I/O Expanders	PDF \| HTML	06 Jun 2023

Design und Entwicklung

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TSSOP (PW)	24	Ultra Librarian
WQFN (RTW)	24	Ultra Librarian

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TCAL9539

16-Bit-Niederspannungs-I²C-Bus- und SMBus-E/A-Expander mit Interrupt, Reset und agiler E/A-Konfigura

TCAL9539

Produktdetails

Technische Dokumentation

Design und Entwicklung

IO-EXPANDER-EVM — IO-EXPANDER-EVM: I2C- und SMBus-E/A-Expander-Evaluierungsmodul

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