PCF8573P
Timer or RTC, Volatile, CMOS, PDIP16,
品質保證
品質保證
從我們的供應鍊網路採購的所有零件都經過嚴格的進貨檢驗流程。 這種細緻的檢查可確保客戶收到的零件是正品並符合要求的標準。 此外,我們還保存這些檢查的詳細記錄,以確保整個供應鏈的透明度和可追溯性。
![ship1](/img/ship1.png)
![ship2](/img/ship2.png)
![ship3](/img/ship3.png)
![ship4](/img/ship4.png)
![ship5](/img/ship5.png)
![ship6](/img/ship6.png)
認證
我們已成功獲得各項認證標準,並建立了自己的專業檢測實驗室。 這確保了我們向客戶提供的每件產品都符合最高的品質標準。 我們遵守嚴格的測試協議,以保持我們產品的一致性和準確性。 為了確保我們的產品是原裝正品,我們還與信譽良好的第三方檢測機構合作進行嚴格的品質測試。 我們對品質的承諾延伸到滿足行業、法律、監管和 ISO 9001:2015 的要求。
運輸與付款
運輸與付款
關於運送
我們通常會在幾個工作日內通過可靠的運輸公司(例如 FedEx、SF、UPS 或 DHL)運送訂單。 我們還支持其他運輸方式。 如果您想詢問具體的運輸細節或費用,請隨時與我們聯繫。
![questionContent1](/img/questionContent1.png)
![questionContent2](/img/questionContent2.png)
![questionContent3](/img/questionContent3.png)
![questionContent4](/img/questionContent4.png)
![ctc](/img//questionContentctc.png)
![pelican](/img//questionContentpelican.png)
![express](/img//questionContentexpress.png)
![chunghwa post](/img//questionContentchunghwapost.png)
關於付款
我們接受多種支付方式,包括VISA、MasterCard、銀聯、西聯、PayPal等渠道。
如果您有特定的付款方式或想詢問費率和其他詳細信息,請隨時與我們聯繫。
![wire](/img/wire.png)
電匯
![questionContent7](/img/questionContent7.png)
Paypal
![cc](/img/cc.png)
信用卡
![western](/img/western.png)
西聯匯款
![mg](/img/mg.png)
速匯金
服務與包裝
服務與包裝
About After Sales Service
All Parts Extended Quality Guarantee
自發貨之日起 90 天內發起申請。
與我們的工作人員確認退貨或換貨。
保持貨物收到時的原始狀態。
最後請注意,退貨或換貨的資格取決於對退貨商品實際狀況的評估。 在完成退貨或換貨流程之前,我們將評估收到的貨物。 如果您對退貨或換貨有任何疑問或需要進一步幫助,請隨時通過以下方式聯絡我們: [email protected]
關於包裝
在包裝方面,我們的產品均精心包裝在防靜電袋中,以提供ESD防靜電保護。 外包裝堅固耐用且閉合牢固。 我們支持各種包裝方法,例如捲帶式、切帶式、管式或託盤式。
![pg](/img/pg.png)
例子
![捲帶式](/img/Tape and Reel.png)
捲帶式
![剪膠帶](/img/Cut Tape.png)
剪膠帶
![管或託盤](/img/Tube or Tray.png)
管或託盤
PCF8573P 數據表
![no-price](/img/no-price.jpg)
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
GENERAL DESCRIPTION The PCF8573 is a low threshold, CMOS circuit that functions as a real time clock/calendar. Addresses and data are transferred serially via the two-line bidirectional I2C-bus.FEATURES • Serial input/output I2C-bus interface for minutes, hours, days and months • Additional pulse outputs for seconds and minutes • Alarm register for presetting a time for alarm or remote switching functions • On-chip power fail detector • Separate ground pin for the clock allows easy implementation of battery back-up during supply interruption • Crystal oscillator control (32.768 kHz) • Low power consumption.
![](/files/uploads/product/b/7d9f0f98f3d94a90b663220d73759f49.webp)
主要特徵
- Serial input/output I2C-bus interface for minutes, hours, days and months
- Additional pulse outputs for seconds and minutes
- Alarm register for presetting a time for alarm or remote switching functions
- On-chip power fail detector
- Separate ground pin for the clock allows easy implementation of battery back-up during supply interruption
- Crystal oscillator control (32.768 kHz)
- Low power consumption.
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Rohs Code | Yes | Part Life Cycle Code | Transferred |
Reach Compliance Code | ECCN Code | EAR99 | |
HTS Code ! | 8542.39.00.01 | Information Access Method | SERIAL, 2 WIRE/I2C |
Interrupt Capability ! | Y | JESD-30 Code | R-PDIP-T16 |
JESD-609 Code | e4 | Number of Terminals | 16 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
Package Equivalence Code | DIP16,.3 | Package Shape | RECTANGULAR |
Package Style | IN-LINE | Power Supplies ! | 5 V |
Qualification Status ! | Not Qualified | Supply Voltage-Nom | 5 V |
Surface Mount ! | NO | Technology | CMOS |
Temperature Grade ! | INDUSTRIAL | Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
Terminal Position | DUAL | Time-Min | MINUTES |
Volatile | YES |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is PCF8573P?
The PCF8573P is an I2C-bus controlled 16-bit I/O expander designed by NXP Semiconductors. It is commonly used to provide additional input/output ports in microcontroller-based systems, such as embedded applications, industrial control, and automotive electronics.
How Does PCF8573P Work?
The PCF8573P functions as an I/O expander by communicating with a microcontroller through the I2C serial interface. It expands the number of available I/O ports by providing 16 additional bidirectional I/O pins that can be configured as inputs or outputs. The device allows for easy expansion of I/O capacity in systems with limited GPIO pins on the microcontroller.
How Many Pins does PCF8573P have and What are the Functions of the Pinout Configuration?
The PCF8573P is housed in a 24-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- SDA, SCL: I2C-bus serial data and clock input pins, respectively.
- A0, A1, A2: Address selection pins for I2C address configuration.
- GND: Ground pin.
- VCC: Supply voltage pin.
- P0-P7: Bidirectional I/O pins.
What are the Pros and Cons of PCF8573P?
Pros:
- Increased I/O Capability: Expands the number of available I/O ports in a cost-effective manner.
- I2C Interface: Allows easy communication with microcontrollers via the I2C serial protocol.
- Flexible Configuration: Each I/O pin can be individually configured as input or output.
- Low Power Consumption: Operates with low power, suitable for battery-powered applications.
Cons:
- Speed Limitation: I2C communication may introduce latency for high-speed applications.
- Complexity: Requires understanding of I2C protocol and addressing for proper integration.
- External Components: May need pull-up resistors on SDA and SCL lines for reliable operation.
Are There Any Equivalents/Alternatives to PCF8573P for Recommendation?
- The MCP23017 from Microchip offers similar I/O expansion capabilities with I2C interface.
- Alternatives to the PCF8573P include the SX1509 from Semtech and the PCA9555 from NXP Semiconductors.
推薦零件
-
An ultra low power clock RTC IC, the PCF8563T/F4,112 is perfect for maintaining accurate timekeeping
製造商: Freescale Semiconductor 包裝/箱: SOT-96
5,865 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
6,816 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
8,403 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
9,745 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
5,781 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
6,755 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
Reliable RTC with quartz crystal integration, ideal for industrial use"
製造商: NXP 包裝/箱: SOT1992-1(DD)
7,310 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
6,968 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
7,791 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
100W Transient Voltage Suppressor Diode featuring a 30V reverse working voltage
製造商: NXP 包裝/箱: QFN
3,614 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
Integrated circuit for precise timing applications
製造商: Freescale Semiconductor 包裝/箱: PDIP-8
9,562 有存貨
貨物週期: 3~7 天
最小訂購量為 1