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Low Power RTC with Battery Backed SRAM

Package Information

CAD Model: View CAD Model
Pkg. Type: SOIC
Pkg. Code: MBI
Lead Count (#): 8
Pkg. Dimensions (mm): 4.9 x 3.9 x 1.5
Pitch (mm): 1.27

Environmental & Export Classifications

Moisture Sensitivity Level (MSL) 1
Pb (Lead) Free Yes
ECCN (US) EAR99
HTS (US) 8542.39.0090
RoHS (ISL1218IBZ) Download

Product Attributes

Lead Count (#) 8
Carrier Type Tube
Moisture Sensitivity Level (MSL) 1
Pitch (mm) 1.3
Pkg. Dimensions (mm) 4.9 x 3.9 x 0.00
Pb (Lead) Free Yes
Pb Free Category Pb-Free 100% Matte Tin Plate w/Anneal-e3
Temp. Range (°C) -40 to +85°C
Alarms (#) 1
Battery Backup Yes
Battery Current (nA) 400
Battery Seal Yes
Batttery Voltage Range (V) 1.8 - 5.5
CPU Supervisory Function POR No
CPU Supervisory Function Watchdog Timer No
Crystal Frequency Trimming Yes
Frequency Out IRQ_bar/FOUT
Frequency Out Pin Yes
IRQ Pin Yes
IRQ_bar IRQ_bar/FOUT
Interface I2C
Length (mm) 4.9
MOQ 980
Memory Type RAM
Oscillator Compensation -94 to +140
Pkg. Type SOICN
RESET_bar No
Reset No
SRAM 8 Bytes
Selectable Frequency Output 15
Supply Voltage Vcc (Min) (V) 2.7
Supply Voltage Vcc Range 2.7 to 5.5
TRIP Voltage for POR Yes
Tamper Detect No
Time Keeping Current (µA) 1.2
Timer No
Width (mm) 3.9
field__battery_voltage_max_ 5.5
field__battery_voltage_min_ 1.8

Description

The ISL1218 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction.