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PCA9564BS Datasheet

Part NameDescriptionManufacturer
PCA9564BS Parallel bus to I2C-bus controller NXP
NXP Semiconductors. NXP
Other PDF  not available.
PCA9564BS image

The PCA9564 is an integrated circuit designed in CMOS technology that serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I2C-bus and allows the parallel bus system to communicate bi-directionally with the I2C-bus. The PCA9564 can operate as a master or a slave and can be a transmitter or receiver. Communication with the I2C-bus is carried out on a byte-wise basis using interrupt or polled handshake.
The PCA9564 controls all the I2C-bus specific sequences, protocol, arbitration and timing with no external timing element required.

• Parallel-bus to I2C-bus protocol converter and interface
• Both master and slave functions
• Multi-master capability
• Internal oscillator reduces external components
• Operating supply voltage 2.3 V to 3.6 V
• 5 V tolerant I/Os
• Standard and fast mode I2C capable and compatible with SMBus
• ESD protection exceeds 2000 V HEM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JEDEC Standard JESD78 which exceed 100 mA.
• Packages offered: DIP20, SO20, TSSOP20, HVQFN20

• Add I2C-bus port to controllers/processors that do not have one
• Add additional I2C-bus ports to controllers/processors that need multiple I2C-bus ports
• Higher frequency, lower voltage migration path for the PCF8584
• Converts 8 bits of parallel data to serial data stream to prevent having to run a large number of traces across the entire PC board

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