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NTE1414

Integrated Circuit Digital AC Clock Timer for VCR

NTE Electronics 

NTE1414

Integrated Circuit

Digital AC Clock Timer for VCR

Description:

The NTE1414 is an LSI integrated circuit in a 40–Lead DIP type package designed for AC INPUT

clock timers capable of randomly setting “ON hour” and “OFF hour” by a unit of a minute. This device

can also work as a stopwatch timing up to 1 hour, 59 minutes and 59 seconds, and as a sleep timer

operating for not more than 1 hour and 59 minutes once it is set.

A current hour, “ON hour”, and “OFF hour” can be set easily in one of the following three modes: FAST

mode, in which the data of figures of minutes are sent fast at 50Hz or 60Hz; SLOW mode, in which

they are sent slow at 2Hz; and REVERSE, mode in which they are sent reversely.

Features:

D Complete Two–Operation/24 Hour Timer

D Alternate Current of 50Hz/60Hz Entered

D AM/PM or 24 Hour Display

D Hours can be Set in FORWARD or REVERSE Mode

D Sleep Timer Operation for not more than 1 Hour, 59 Minutes once it is Set

D Stopwatch Timing up to 1 Hour, 59 Minutes, and 59 Seconds

D Capable of Directly Driving a Fluorescent Lamp Tube

D Power Failure Indicator

Absolute Maximum Ratings: (VSS = 0, TA = +25°C unless otherwise specified)

Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –16 to +0.3V

Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –17 to +0.3V

Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –26 to +0.3V

Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C

Recommended Operating Conditions: (TA = +25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Supply Voltage

VDD VSS = 0

Supply Voltage Fall Detect Voltage VPF VSS = 0

–10 – –15 V

– – –10 V

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