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PCF8571P
Standard SRAM, 128X8, CMOS, PDIP8,
PCF8571P
Standard SRAM, 128X8, CMOS, PDIP8,
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Service & Packaging
Service & Packaging
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PCF8571P DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
GENERAL DESCRIPTIONThe PCF8570 is a low power static CMOS RAM, organized as 256 words by 8-bits.Addresses and data are transferred serially via a two-line bidirectional bus (I2C-bus). The built-in word address register is incremented automatically after each written or read data byte. Three address pins, A0, A1 and A2 are used to define the hardware address, allowing the use of up to 8 devices connected to the bus without additional hardware.FEATURES• Operating supply voltage 2.5 to 6.0 V• Low data retention voltage; minimum 1.0 V• Low standby current; maximum 15 µA• Power-saving mode; typical 50 nA• Serial input/output bus (I2C-bus)• Address by 3 hardware address pins• Automatic word address incrementing• Available in DIP8 and SO8 packages.APPLICATIONS• Telephony: – RAM expansion for stored numbers in repertory dialling (e.g. PCD33xxA applications)• General purpose RAM for applications requiring extremely low current and low-voltage RAM retention, such as battery or capacitor-backed.• Radio, television and video cassette recorder: – channel presets• General purpose: – RAM expansion for the microcontroller families PCD33xxA, PCF84CxxxA, P80CLxxx and most other microcontrollers.
Key Features
- Operating supply voltage 2.5 to 6.0 V
- Low data retention voltage; minimum 1.0 V
- Low standby current; maximum 15 µA
- Power-saving mode; typical 50 nA
- Serial input/output bus (I2C-bus)
- Address by 3 hardware address pins
- Automatic word address incrementing
- Available in DIP8 and SO8 packages.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Transferred |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.32.00.41 | Clock Frequency-Max (fCLK) | 0.1 MHz |
| I/O Type | COMMON | JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e0 | Memory Density | 1024 bit |
| Memory IC Type | STANDARD SRAM | Memory Width | 8 |
| Number of Ports ! | 1, (2 LINE) | Number of Terminals | 8 |
| Number of Words | 128 words | Number of Words Code | 128 |
| Operating Mode ! | ASYNCHRONOUS | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Organization | 128X8 |
| Output Characteristics | OPEN-DRAIN | Package Body Material | PLASTIC/EPOXY |
| Package Code | DIP | Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR | Package Style | IN-LINE |
| Parallel/Serial | SERIAL | Qualification Status ! | Not Qualified |
| Standby Current-Max | 2e-7 A | Standby Voltage-Min | 1 V |
| Supply Current-Max | 0.0002 mA | Surface Mount ! | NO |
| Technology | CMOS | Temperature Grade ! | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 2.54 mm | Terminal Position | DUAL |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is PCF8571P?
The PCF8571P is an 8-bit I2C bus-controlled analog-to-digital converter (ADC) designed by NXP Semiconductors. It is commonly used in applications requiring analog-to-digital conversion with low power consumption, such as sensor interfaces, industrial automation, and data acquisition systems.
How Does PCF8571P Work?
The PCF8571P operates as an 8-bit ADC controlled via the I2C bus protocol. It converts analog voltage inputs into digital data for processing by a microcontroller or other digital devices. The device offers selectable input voltage range and resolution settings, providing flexibility for various measurement requirements.
How Many Pins does PCF8571P have and What are the Functions of the Pinout Configuration?
The PCF8571P is housed in a 16-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- VDD: Supply voltage pin.
- VSS: Ground pin.
- SDA: Serial data input/output pin for I2C communication.
- SCL: Serial clock input for I2C communication.
- A0, A1, A2: Address select pins for I2C bus addressing.
- AIN0-AIN7: Analog input channels for the ADC.
- REFP, REFM: Reference voltage pins.
- EXTRST: External reset pin.
What are the Pros and Cons of PCF8571P?
Pros:
- I2C Interface: Supports easy communication with microcontrollers and other I2C devices.
- Low Power Consumption: Ideal for battery-powered or low-power applications.
- Selectable Settings: Offers selectable input voltage range and resolution for flexibility.
- Compact Package: Housed in a 16-pin DIP package for space-efficient designs.
Cons:
- Resolution Limitation: Limited to 8-bit resolution, which may not be sufficient for high-precision applications.
- Speed Limitation: May not be suitable for high-speed ADC requirements.
- External Components: May require additional components for specific applications or signal conditioning.
Are There Any Equivalents/Alternatives to PCF8571P for Recommendation?
- The PCF8591 from NXP Semiconductors is a similar I2C-controlled ADC with more features.
- Alternatives to the PCF8571P include the MCP3421 from Microchip Technology and the ADS1115 from Texas Instruments.
