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PCA9534RGVR 数据表(PDF) 2 Page - Texas Instruments

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部件名 PCA9534RGVR
功能描述  REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
PDF  32 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PCA9534RGVR 数据表(HTML) 2 Page - Texas Instruments

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www.ti.com
PCA9534
REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
SCPS124B – SEPTEMBER 2006 – REVISED FEBRUARY 2007
Three hardware pins (A0, A1, and A2) are used to program and vary the fixed I2C address and allow up to eight
devices to share the same I2C bus or SMBus.
The PCA9534 is pin-to-pin and I2C address compatible with the PCF8574. However, software changes are
required due to the enhancements in the PCA9534 over the PCF8574.
The PCA9534 is a low-power version of the PCA9554. The only difference between the PCA9534 and PCA9554
is that the PCA9534 eliminates an internal I/O pullup resistor, which dramatically reduces power consumption in
the standby mode when the I/Os are held low.
The PCA9534A and PCA9534 are identical, except for their fixed I2C address. This allows for up to 16 of these
devices (8 of each) on the same I2C bus.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGT
Reel of 3000
PCA9534RGTR
PREVIEW
QFN – RGV
Reel of 2500
PCA9534RGVR
PREVIEW
QSOP – DBQ
Reel of 2500
PCA9534DBQR
PD534
Tube of 40
PCA9534DW
SOIC – DW
PCA9534
Reel of 2000
PCA9534DWR
–40
°C to 85°C
Reel of 2000
PCA9534DBR
SSOP – DB
PD534
Tube of 80
PCA9534DBT
Tube of 90
PCA9534PW
TSSOP – PW
PD534
Reel of 2000
PCA9534PWR
TVSOP – DGV
Reel of 2000
PCA9534DGVR
PD534
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
2
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