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PCA9501D
PCA9501D - Brand New PHI I/O Expanders
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
DESCRIPTION
The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.
The I/O expandable eight quasi bidirectional data pins can be independently
assigned as inputs or outputs to monitor board level status or activate
indicator devices such as LEDs. The system master writes to the I/O
configuration bits in the same way as for the PCF8574. The data for each Input
or Output is kept in the corresponding Input or Output register. The system
master can read all registers.
The EEPROM can be used to store error codes or board manufacturing data for
read-back by application software for diagnostic purposes and are included in
the I/O expander package.
The PCA9501 Active-LOW open-drain interrupt output is activated when any input
state differes from its corresponding input port register state. It is used to
indicate to the system master that an input state has changed and the device
needs to be interrogated.
The PCA9501 has six address pins with internal pull-up resistors allowing up
to 64 devices to share the common two wire I2C software protocol serial data
bus. The fixed GPIO address starts with “1” and the fixed EEPROM I2C address
starts with “0”, so the PCA9501 appears as two separate devices to the bus
master.
The PCA9501 supports hot insertion to facilitate usage in removable cards on
backplane systems.
FEATURES
• 8 general purpose input/output expander/collector
• Replacement for PCF8574 with integrated 2-kbit EEPROM
• Internal 256 × 8 EEPROM
• Self timed write cycle (5 ms typ)
• 16 byte page write operation
• I2C and SMBus interface logic
• Internal power-on reset
• Noise filter on SCL/SDA inputs
• Active low interrupt output
• 6 address pins allowing up to 64 devices on the I2C/SMBus
• No glitch on power-up
• Supports hot insertion
• Power-up with all channels configured as inputs
• Low standby current
• Operating power supply voltage range of 2.5 V to 3.6 V
• 5 V tolerant inputs/outputs
• 0 to 400 kHz clock frequency
• ESD protection exceeds 2000 V HBM per JESD22-A114,
200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JESDEC Standard JESD78 which
exceeds 100 mA
• Packages offered: SO20, TSSOP20, HVQFN20
****
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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