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NXP PCF8523T/1,118 for reliable clock and calendar functions
PCF8523T/1,118
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The PCF8523T/1,118 is an I2C-compatible Real-Time Clock (RTC) in an 8-pin SO package. It features a low-power consumption design, alarm functionality, automatic leap year correction, and programmable output signals. This RTC can be used in various applications such as consumer electronics, industrial automation, automotive data logging, medical devices, smart meters, and security systems. The introduction to this device would focus on its key features, benefits for different industries, and how it enhances timekeeping and event management functions.
The PCF8523T/1,118 features a Real-Time Clock (RTC) with alarm functionality, low power consumption, automatic leap year compensation, programmable square wave output, operates within -40°C to 85°C temperature range, and supports two programmable alarm times. It comes in an 8-pin SO package.
The PCF8523T/1,118 has a package type of SO-8, which is an 8-pin Small Outline (SOP) package.
The PCF8523T/1,118 is an I2C real-time clock (RTC) in an 8-pin SO package. Here's the pin count and function: - VCC: Power supply connection (nominal 3.3V) - GND: Ground connection - SDA: Bidirectional Serial Data Line (I2C bus) - SCL: Bidirectional Serial Clock Line (I2C bus) - ALARM_OUT: Output pin for alarm signal, active low - VBAT: Battery voltage monitoring pin These pins enable communication with other devices on the I2C bus and control of the RTC functions.
The manufacturer of the PCF8523T/1,118 is NXP Semiconductors. NXP is a global semiconductor company known for producing innovative IC solutions for various industries, including automotive, consumer electronics, and industrial automation.
The PCF8523T/1,118 is a versatile I2C real-time clock (RTC) with alarm features. Its application areas include consumer electronics (timekeeping), industrial automation (timing events), automotive data logging, medical devices, smart meters, and security systems for backup power management.
The equivalent product to PCF8523T/1,118 by NXP Semiconductors is likely another I2C real-time clock with similar features, such as PCF8574 or LP8574A. Always check the manufacturer's product portfolio for exact equivalents.
orderingCode | 935293581118 | isDistributor | true |
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isReqSample | true | salesNum | PCF8523T/1,118 |
leadTime | 18 | requaestItemType | REQUEST_SAMPLE |
pack_type | REEL | price_flg | Y |
pack_desc | Reel 13" Q1/T1 | minPackQty | 2500 |
status | Active | Package/Case | SOT96-1 |
1.Q: What is the typical application circuit for NXP's Real-Time Clock IC?
A: A basic circuit includes a 32.768kHz crystal, pull-up resistors on SDA/SCL, backup battery, and decoupling capacitors on VDD/VSS.
2.Q: What related RTC ICs does NXP offer alongside this product?
A: Similar parts include PCF8563 (I2C RTC), PCF8523 (low-power RTC), and PCA21125 (automotive-grade RTC).
3.Q: How does the battery backup function work in NXP's Real-Time Clock IC?
A: The IC switches seamlessly to a backup battery when main power is lost, maintaining time/date data without interruption.
4.Q: What electrical characteristics define NXP's Real-Time Clock IC's performance?
A: Key specs include low standby current (typ. <1µA with battery backup), I2C speeds up to 400kHz, and a 32.768kHz oscillator frequency.
5.Q: What package details apply to NXP's Real-Time Clock IC (SOIC-8)?
A: The IC uses an 8-pin SOIC package with 3.90mm width, 5mm max length, and gull-wing leads for surface mounting.
6.Q: What applications are suitable for NXP's I2C Real-Time Clock IC?
A: Ideal for IoT devices, industrial timers, smart meters, wearables, and systems requiring calendar/clock functions with low-voltage operation.
7.Q: What is the maximum power dissipation for NXP's Real-Time Clock IC in SOIC-8?
A: The maximum power dissipation is 300 mW under normal operating conditions.
8.Q: What are the recommended operating conditions for NXP's Real-Time Clock IC?
A: Operate at 1.2V–5.5V supply voltage, within -40°C to 85°C, and ensure I2C signals comply with logic levels for the selected VDD.
9.Q: What are the key features of NXP's Real-Time Clock IC with I2C interface?
A: Key features include binary time/date format (YYYY:MM:WK:DD:Hr:Min:Sec), 1.2V–5.5V supply range, I2C communication, battery backup, and operation from -40°C to 85°C.
10.Q: What is the pinout configuration of NXP's Real-Time Clock IC (SOIC-8, I2C Interface)?
A: The 8-pin SOIC includes VDD (power), VSS (ground), SDA (I2C data), SCL (I2C clock), CLKOUT (clock output), INT (interrupt), OSCI (oscillator input), and OSCO (oscillator output).
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05/07/2025
Shipping through jersey island is a short time.
12/18/2023
Highly accurate according to the order
10/05/2023
The whole came, without chips, the modules were wrapped in a puffy. The maximum current consumption of 3.2a when starting, then reduced to 2,5 a. On their basis was made a refrigerator v = 50l, the maximum temperature difference of which reached 13,5 degrees.
06/09/2021
Excellent ! I got item and everything fits as described. I will be buying again. Thank you very much!
Preliminary Specification PCF8523T/1,118 PDF
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