JT7579A-AS

DescriptionThe JT7579A-AS is a kind of CMOS digital integrated circuit.The JT7579A-ASis silicon monolithic. There are some features of JT7579A-AS as follows: (1)calculator function with 4 standard functions by 8 digits; (2)alarm function with buzzer direct drive; (3)chime function to beep the buzz...

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SeekIC No. : 004382437 Detail

JT7579A-AS: DescriptionThe JT7579A-AS is a kind of CMOS digital integrated circuit.The JT7579A-ASis silicon monolithic. There are some features of JT7579A-AS as follows: (1)calculator function with 4 standard f...

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Part Number:
JT7579A-AS
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Description

The JT7579A-AS is a kind of CMOS digital integrated circuit. The JT7579A-AS is silicon monolithic. There are some features  of JT7579A-AS as follows: (1)calculator function with 4 standard functions by 8 digits; (2)alarm function with buzzer direct drive; (3)chime function to beep the buzzer at every hour; (4)12 hour/24 hour cycle are selectable by wearer with switch; (5)month-day-year/day-month-year display are selectable by switch operation; (6)direct interface to 1/2 duty LCD: 8 digits, 8 points and 8 flags; (7)7 watch function: hour, minute, second, year, month, day of the month and day of the week; (8)day of the month and day of week can be calculated from year and month; (9)4 blocks of switch operation for the watch function with 16 keys operation for the calculator function; (10)buzzer beep short for anouncing sure calculator operation; (11)single 1.55 V power supply (lithium battery optional); (12)voltage doubler (two external capacitor).

The following is about the maximum ratings of JT7579A-AS: (1)supply voltage 1, VSS1-VDD: -0.3 to 0.2 V; (2)supply voltage 2, VSS2-VDD: -4.0 to 0.2 V; (3)operating temperature, Topr: -10 to 60; (4)storage temperature, Tstg: -40 to 125.

Then is about the electrical characteristics of JT7579A-AS (referenced to VDD=0 V, VSS1=-1.55 V, VSS2=-3.0 V, Ta=25, unless otherwise noticed): (1)output current (segment COM) VSS1, IOH1: -140 A max at VOH1=-0.30 V; (2)output current (segment COM) VSS1, IOL1: 140 A min at VOL1=-2.70 V; (3)output current (segment COM) VSS1, IOH2: -70 A max at VOH2=-1.75 V; (4)output current (segment COM) VSS1, IOL2: 70 A min at VOL2=-1.35 V; (5)output current (segment), IOH3: -6.0A max at VOH3=-0.3 V; (6)output current (segment), IOL3: 6.0A max at VOL3=-2.70 V.




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