PT7C4363BQ (Obsolete)

Description

The PT7C4363BQ serial real-time clock is an automotive low-power clock/calendar with a programmable square-wave output.

Address and data are transferred serially via a 2-wire bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in the 24-hour format indicator.

Table 1 shows the basic functions of PT7C4363BQ. More details are shown in section: overview of functions.

Feature(s)

• Drop-In Replacement for PT7C4363
• Supports High-ESR Crystals Up To 100kΩ
• Supports Alarm and Timer
• Supports I²C-Bus's High Speed Mode (400 kHz)
• Uses External 32.78kHz Quartz Crystal
• Programmable Square Wave Output Signal Oscillator Stop Flag
• Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code)
• Low Backup Current: typ. 400nA at V_DD=3.0V and T_A=25°C
• Operating range: 1.3V to 5.5V
• Extended Operating Temp: -40°C to 125°C
• AECQ-100 Compliant for Automotive Application
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
• PPAP Capable (Note 4)
• The PT7C4363BQ is suitable for automotive applications requiring specific change control; this part is AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/
• Packaging (Pb-free & Green):
  • 8-Pins, SOIC (W)