Part A
PCF8574PW
Texas Dụng cụ
- Lifecycle
- Active
- Stock
- 1212 PCS
- Series
- Interface - I-O Expanders
Parts at a glance
Part B
PCF8551ATT/AJ
NXP Hoa Kỳ Inc.
- Lifecycle
- Active
- Stock
- 9708 PCS
- Package
- TSSOP-48
- Series
- PMIC - Display Drivers
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | PCF8574PW | PCF8551ATT/AJ |
|---|---|---|
| Part Status | Obsolete | Obsolete |
| Display Type | - | LCD |
| Configuration | - | 7 Segment + DP, 14 Segment + DP + AP, Dot Matrix |
| Interface | I2C | I²C |
| Digitsor Characters | - | 9 Characters, 18 Characters, 144 Elements |
| Supply Current | - | 1.2 µA |
| Voltage - Supply | 2.5V ~ 6V | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | PCF8574 | - |
| Digi Key Programmable | Not Verified | - |
| Number of I/O | 8 | - |
| Interrupt Output | Yes | - |
| Features | POR | - |
| Output Type | Push-Pull | - |
| Current - Output Source / Sink | 1mA, 25mA | - |
| Clock Frequency | 100 kHz | - |
| Packaging | Tube | - |