PCF8564ACX9/B/1,02 Equivalent & Substitute Parts

Part Overview

The PCF8564ACX9/B/1,02 is a Real Time Clock (RTC) IC with integrated Clock/Calendar functionality, designed for I2C and 2-Wire Serial interface applications. Manufactured by NXP USA Inc., this die-format component provides timekeeping with alarm, leap year compensation, square wave output, and watchdog timer capabilities. The part is currently classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and component procurement.

Substiute Parts

PCF8564ACX9/B/1,02

NXP USA Inc.In Stock: 1083PCF8564ACX9/B/1,02 Datasheet

Current PartRFQ

PCF8564AU/10AB/1,0

NXP USA Inc.In Stock: 1039PCF8564AU/10AB/1,0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PCF8564ACX9/B/1,02 is determined by the following critical parameters:

• Interface Protocol: I2C and 2-Wire Serial compatibility
• Functional Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer
• Time and Date Format: HH:MM:SS (24 hr) and YY-MM-DD-dd
• Voltage Supply Range: 1V ~ 5.5V
• Current Consumption: 0.6µA ~ 0.75µA @ 2V ~ 5V
• Operating Temperature Range: -40°C ~ 85°C
• Package Type: Die format
• Compliance Standards: ROHS3 Compliant, REACH Unaffected

The substitute part PCF8564AU/10AB/1,0 meets all electrical and functional parameters specified above, with the primary distinction being packaging format (Bulk versus Tape & Reel) and product status (Active versus Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The PCF8564AU/10AB/1,0 is a direct functional equivalent to the PCF8564ACX9/B/1,02. Both components are manufactured by NXP USA Inc. and share identical electrical specifications, interface protocols, and feature sets. The substitute part holds Active product status, ensuring continued availability and manufacturer support, whereas the original part is classified as Obsolete.

Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for current manufacturing environments. The packaging difference (Bulk versus Tape & Reel) does not affect electrical or functional compatibility and is a procurement consideration only.

Frequently Asked Questions (FAQ)

Q: Can PCF8564AU/10AB/1,0 directly replace PCF8564ACX9/B/1,02 in existing designs?

A: Yes. Both components share identical electrical specifications, interface protocols (I2C, 2-Wire Serial), functional features (Alarm, Leap Year, Square Wave Output, Watchdog Timer), voltage supply range (1V ~ 5.5V), current consumption (0.6µA ~ 0.75µA @ 2V ~ 5V), operating temperature range (-40°C ~ 85°C), and package type (Die). No design modifications are required.

Q: What is the primary difference between these two part numbers?

A: The PCF8564ACX9/B/1,02 is Obsolete with Tape & Reel packaging, while the PCF8564AU/10AB/1,0 is Active with Bulk packaging. All electrical and functional parameters are identical.

Q: Are there compliance or regulatory differences between these parts?

A: No. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current regulatory standards for electronic component manufacturing and use.

Q: Does the packaging format (Bulk versus Tape & Reel) affect component performance?

A: No. Packaging format is a procurement and handling consideration only. It does not affect electrical performance, functionality, or compatibility.

Q: Why is the original part classified as Obsolete?

A: Product status reflects manufacturer lifecycle decisions. The PCF8564AU/10AB/1,0 maintains Active status, ensuring continued availability and support for new designs and production requirements.