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Package 24-TSSOP (0.173, 4.40mm Width)
Category Integrated Circuits (ICs) / Clock/Timing - Real Time Clocks
Description DUAL HH:MM:SS (12/24hr) CMOS Obsolete Real Time Clock (RTC) IC 242B 0C~70C 0.032MHz 7.8mm
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Technical Details

Physical

Mounting Type Surface Mount
Package / Case 24-TSSOP (0.173, 4.40mm Width)
Surface Mount YES

Technical

Operating Temperature 0°C~70°C
Packaging Tube
JESD-609 Code e0
Feature Alarm, NVSRAM, Square Wave Output, Y2K
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 24
Type Clock/Calendar
Terminal Finish TIN LEAD
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch 0.65mm
Reach Compliance Code unknown
Time@Peak Reflow Temperature-Max (s) 20
Pin Count 24
JESD-30 Code R-PDSO-G24
Qualification Status COMMERCIAL
Interface Parallel
Memory Size 242B
Clock Frequency 0.032MHz
External Data Bus Width 8
Number of Timers 1
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 3mA @ 5V
Voltage - Supply, Battery 2.5V~3.7V

Dimensions

Height Seated (Max) 1.1mm
Length 7.8mm
Width 4.4mm

Compliance

RoHS Status Non-RoHS Compliant

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