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Part number s-35190a-j8t1g
BRAND Seiko Instruments Inc [SII]
Date code 12+
Summary CMOS 3-wire real-time clock IC, 8-SOP, 1.3 V to 5.5 V, 0.25 μA, 32.768 kHz
Description as follow:
The S-35190A-J8T1G is a CMOS 3-wire real-time clock IC which operates with the very low current consumption and in the wide range of operation voltage. The operation voltage is 1.3 V to 5.5 V so that the S-35190A-J8T1G can be used for various power supplies from main supply to backup battery. Due to the 0.25 μA current consumption and wide range of power supply voltage at time keeping, the S-35190A-J8T1G makes the battery life longer. In the system which operates with a backup battery, the included free registers can be used as the function for userís backup memory. The applications of the S-35190A-J8T1G include: Mobile game devices, Mobile AV devices, Digital still cameras, Digital video cameras, Electronic power meters, DVD recorders, TVs, VCRs, Mobile phones, PHS, Car navigation.
S-35190A-J8T1G absolute maximum ratings: (1)Power supply voltage VDD: VSS - 0.3 to VSS + 6.5 V; (2)Input voltage VIN: VSS - 0.3 to VSS + 6.5 V; (3)Output voltage VOUT: VSS - 0.3 to VSS + 6.5 V; (4)Operating ambient temperature Topr: -40 to +85 ℃; (5)Storage temperature Tstg: -55 to +125 ℃.
S-35190A-J8T1G features: (1)Low current consumption: 0.25 μA typ. (VDD = 3.0 V, Ta = 25℃); (2)Wide range of operating voltage: 1.3 to 5.5 V; (3)Built-in clock-correction function; (4)Built-in free user register; (5)3-wire (MICROWIRE) CPU interface; (6)Built-in alarm interrupter; (7)Built-in flag generator during detection of low power voltage or at power-on; (8)Auto calendar up to the year 2099, automatic leap year calculation function; (9)Built-in constant voltage circuit; (10)Built-in 32.768 kHz crystal oscillator (Cd built in, Cg external); (11)Package : 8-Pin SOP (JEDEC), 8-Pin TSSOP, SNT-8A; (12)Lead-free product.