Time

A-TB72Q Datasheet PDF – Flat Time Switch – Panasonic

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Part Number: A-TB72Q

Function: Flat Time Switch

Package: Flush-Mount Type, Direct Mount Type

Manufacturer: Panasonic Corporation

Images :

A-TB72Q datasheet

 

Description

This is Flat Time Switch.

Features

1. DIN72 size depth in the box 21.7 mm

2. One-touch installation. Can also be installed by screws (Surface mounting type / DIN rail mounting type)

3. Easy to read directly readable clock

4. No worry of loss thanks to internal setting elements

5. Load can be turned on and off every 15 minutes with the 96 setting elements

6. Equipped with ON color dial

7. The set time can be seen at a glance

8. Compatible with AC power supplies (quartz power failure compensation type)

9. Power failure compensation using secondary battery

10. Flat terminals for easy wiring

To weld the #187 flat connection terminals (receptacles), please use a “YC-051” tool manufactured by J.S.T. Mfg. Co. Ltd.

Reference Site: Flat Time Switches (Flush-Mount Type, Direct Mount Type) 

Other data sheets are available within the file:

A-TB72, A-TB72-D-HR1A-100V, A-TB72-D-HR1A-110V,

A-TB72-D-HR1A-120V, A-TB72-D-HR1A-200V

A-TB72Q Datasheet PDF Download


A-TB72Q pdf

 

W85C178 Datasheet PDF – Real Time Clock IC – Winbond

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Part Number: W85C178

Function: Real Time Clock With 128-Byte RAM

Package: DIP 24P

Manufacturer: Winbond

Images

W85C178 Real Time Clock

Description

The Real Time Clock with 128-byte RAM is a peripheral device for use with various microprocessors. The W85C178 is designed to be a direct replacement for the MC146818A. The device’s function include a time-of-day clock, an alarm, a one-hundred-year calendar, a square wave generator, programmable interrupts, and 114 bytes of nonvolatile static RAM. The device uses CMOS technology and interfaces with most microprocessor buses. The device consumes very little power.

Pinouts:

W85C178 datasheet

Features

1. 14 bytes of clock and control / status registers
2. 128 bytes of general nonvolatile storage
3. BCD or binary representation of time, calendar, and alarm registers
4. Counts seconds, minutes, hours, days of the week, days of the month, momths, years
5. 12-hour to 24-hour clock with AM and PM in 12-hour mode
6. Daylight saving time option
7. Automatic leap-year adjustment
8. Programmable square wave output signal
7. Time base input option : 4.194304 MHz, 1.048576 MHz, 32.768 kHz
8. Automatic end of month recognition

 

Other data sheets are available within the file: MC146818A, 85C178

W85C178 Datasheet PDF Download

W85C178 pdf

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