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PTCAL6408RSVR中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書

PTCAL6408RSVR
廠商型號(hào)

PTCAL6408RSVR

功能描述

TCAL6408 8-Bit Translating I2C-Bus, SMBus I/O Expander With Interrupt Output, Reset, and Agile I/O Configuration Registers

文件大小

1.55039 Mbytes

頁(yè)面數(shù)量

45 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI德州儀器

中文名稱

美國(guó)德州儀器公司官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

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更新時(shí)間

2025-1-11 17:11:00

PTCAL6408RSVR規(guī)格書詳情

1 Features

? Operating power-supply voltage range of 1.08 V to

3.6 V

? Allows bidirectional voltage-level translation and

GPIO expansion between 1.2-V, 1.8-V, 2.5-V, and

3.3-V I2C bus and p-ports

? Low standby current consumption of 1 μA typical

at 1.8 V

? 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

– 4000-V Human-body model (A114-A)

– 1000-V Charged-device model (C101)

2 Applications

? Servers

? Routers (telecom switching equipment)

? Personal computers

? Personal electronics

? Industrial automation

? Gaming consoles

? Products with GPIO-limited processors

3 Description

The TCAL6408 device provides general purpose

parallel input/output (I/O) expansion for the two-line

bidirectional I2C bus (or SMBus) protocol. The device

can operate with a power supply voltage ranging from

1.08 V to 3.6 V on the I2C bus side (VCCI) and a

power supply voltage ranging from 1.08 V to 3.6 V on

the P-port side (VCCP).

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

TCAL6408 provide a simple solution when additional

I/Os are needed for switches, sensors, push-buttons,

LEDs, fans, and so on.

The TCAL6408 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 pulldown

resistors, latchable inputs, maskable interrupt,

interrupt status register, and programmable opendrain

or push-pull outputs.

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