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I/O Expanders
Cypress Semiconductor 40-Channel I/O Expander I2C 48-Pin SSOP, CY8C9540A-24PVXI
RS Stock No.:
125-4198
Mfr. Part No.:
CY8C9540A-24PVXI
Brand:
Cypress Semiconductor
View all I/O Expanders
Discontinued product
RS Stock No.:
125-4198
Mfr. Part No.:
CY8C9540A-24PVXI
Brand:
Cypress Semiconductor
Technical data sheets
Legislation and Compliance
Product Details
Specifications
CY8C9520A Datasheet
RoHS Certificate of Compliance
Statement of conformity
Serial I/O Expanders, Cypress Semiconductor
Multi-port I/O expanders from Cypress Semiconductor with on-board user accessible EEPROM and several PWM outputs.
I2C interface logic electrically compatible with SMBus
Up to 20 (CY8C9520A), 40 (CY8C9540A), or 60 (CY8C9560A) I/O data pins independently configurable as inputs, outputs,Bi-directional input/outputs, or PWM outputs
4/8/16 PWM sources with 8-bit resolution
Extendable soft addressing algorithm allowing flexible I2C address configuration
Internal 3-/11-/27-Kbyte EEPROM
User default storage, I/O port settings in internal EEPROM
Optional EEPROM write disable (WD) input
Interrupt output indicates input pin level changes and pulse width modulator (PWM) state changes
Internal power on reset (POR)
Internal configurable watchdog timer
Attribute
Value
Number of I/O Channels
40
Interface
I2C
Number of Pins
48
Package Type
SSOP
Clock Frequency
100kHz
Mounting Type
Surface Mount
Maximum Supply Voltage
5.25 V
Minimum Supply Voltage
3 V