The PCA9525 is a monolithic CMOS integrated circuit for bus buffering in applications including I2C-bus, SMBus, DDC, PMBus, and other systems based on similar principles. The buffer extends the bus load limit by buffering both the SCL and SDA lines, allowing the maximum permissible bus capacitance on both sides of the buffer. The PCA9525 includes a unidirect.
Simple impedance isolating buffer for 2-wire buses 4 mA maximum static open-drain pull-down capability supports a wide range of bus standards Works with I2C-bus (Standard-mode, Fast-mode), SMBus (standard and high power mode), and PMBus Fast switching times allow operation in excess of 1 MHz Enable allows bus segments to be disconnected Hysteresis on inputs provides noise immunity Operating voltages from 2.7 V to 5.5 V Very low supply current Uncomplicated characteristics suitable for quick implementation in most common 2-wire bus applications www.DataSheet4U.com NXP Semico.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | PCA9521 |
NXP Semiconductors |
Fast dual bidirectional bus buffer | |
2 | PCA9522 |
NXP Semiconductors |
Fast dual bidirectional bus buffer | |
3 | PCA9527 |
NXP Semiconductors |
3-channel bidirectional bus extender | |
4 | PCA9500 |
NXP |
8-bit I2C and SMBus I/O port | |
5 | PCA9501 |
NXP |
8-bit I2C and SMBus I/O port | |
6 | PCA9502 |
NXP Semiconductors |
8-bit I/O expander | |
7 | PCA9504A |
NXP |
Glue chip 4 | |
8 | PCA9505 |
NXP |
40-bit I2C-bus I/O port | |
9 | PCA9506 |
NXP Semiconductors |
40-bit I2C-bus I/O port | |
10 | PCA9507 |
NXP Semiconductors |
2-wire serial bus extender | |
11 | PCA9508 |
NXP |
Hot swappable level translating I2C-bus repeater | |
12 | PCA9509 |
NXP |
Level translating I2C-bus/SMBus repeater |