CY8C9540A-24PVXIT
ActiveI/O EXPANDER, 40 BIT, I2C, SMBUS, 3 V, 5.25 V, SSOP, 48 PINS
Deep-Dive with AI
Search across all available documentation for this part.
CY8C9540A-24PVXIT
ActiveI/O EXPANDER, 40 BIT, I2C, SMBUS, 3 V, 5.25 V, SSOP, 48 PINS
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | CY8C9540A-24PVXIT |
|---|---|
| Clock Frequency | 100 kHz |
| Current - Output Source/Sink | 25 mA, 10 mA |
| Features | POR, EEPROM, WDT, PWM |
| Interface | I2C |
| Interrupt Output | True |
| Mounting Type | Surface Mount |
| Number of I/O | 40 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 C |
| Output Type | Open Drain |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 48-SSOP |
| Voltage - Supply [Max] | 5.25 V |
| Voltage - Supply [Min] | 3 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 11.39 | |
| 10 | $ 8.92 | |||
| 25 | $ 8.31 | |||
| 100 | $ 7.63 | |||
| 250 | $ 7.31 | |||
| 500 | $ 7.11 | |||
| Digi-Reel® | 1 | $ 11.39 | ||
| 10 | $ 8.92 | |||
| 25 | $ 8.31 | |||
| 100 | $ 7.63 | |||
| 250 | $ 7.31 | |||
| 500 | $ 7.11 | |||
| N/A | 407 | $ 11.39 | ||
| Tape & Reel (TR) | 1000 | $ 6.95 | ||
| Mouser | N/A | 1 | $ 11.39 | |
| 10 | $ 8.92 | |||
| 25 | $ 8.30 | |||
| 100 | $ 7.63 | |||
| 250 | $ 7.30 | |||
| 500 | $ 7.11 | |||
| 1000 | $ 6.95 | |||
| Newark | Each (Supplied on Cut Tape) | 1 | $ 15.26 | |
| 10 | $ 13.27 | |||
| 25 | $ 12.62 | |||
| 50 | $ 12.28 | |||
| 100 | $ 11.93 | |||
| 250 | $ 11.58 | |||
| 500 | $ 11.39 | |||
| 1000 | $ 11.22 | |||
Description
General part information
CY8C95xx Series
CY8C9540A-24PVXIT is a multi-port I/O expander with onboard user EEPROM and several PWM outputs. It operates identically but differs in I/O pins, number of PWMs, and internal EEPROM size. It operates as two I2C devices. The first device is a multi-port I/O expander (single I2C address to access all ports through registers). The second device is a serial EEPROM. Dedicated configuration registers can be used to disable the EEPROM. The EEPROM uses 2-byte addressing to support the 28Kbyte EEPROM address space. The I/O expander's data pins can be independently assigned as inputs, outputs, quasi-bidirectional input/outputs, or PWM outputs. The individual data pins can be configured as open drain or collector, strong drive (10mA source, 25mA sink), resistively pulled up or down, or high impedance. The factory default configuration is pulled up internally.
Documents
Technical documentation and resources
