Product Summary

The RTC-4543SA is a serial-interface real time clock module.

Parametrics

RTC-4543SA absolute maximum ratings: (1)Power voltage: - 2.5 min, 5.0 typ, 5.5 max V; (2)Clock voltage: - 1.4 min, 5.0 typ, 5.5 max V; (3)Operating temperature: -40 min, +25 typ, +85 max ℃; (4)Power supply detection voltage: 1.4 min, 1.7 typ, 2.0 max V.

Features

RTC-4543SA features: (1)Built in frequency adjusted 32.768 kHz crystal unit; (2)Interface type: 3-wire serial interface; (3)Operating voltage range: 2.5 V to 5.5 V; (4)Wide Timekeeper voltage range: 1.4 V to 5.5 V; (5)32.768 kHz frequency output function: C-MOS output With Control Pin; (6)The various functions include full calendar, timer, and low voltage detection.

Diagrams

RTC-4543SA block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
RTC-4543SA
RTC-4543SA
Other

Data Sheet
Negotiable 
RTC-4543SA/SB
RTC-4543SA/SB
Other

Data Sheet
Negotiable 
RTC-4543SA:A0:ROHS
RTC-4543SA:A0:ROHS
Epson Toyocom
Real Time Clock 32.768KHz 2.5-5.5V 5+/-12ppm
Data Sheet
0-1: $3.02
1-10: $2.59
10-50: $2.16
50-100: $1.94
RTC-4543SA:A ROHS
RTC-4543SA:A ROHS
Epson Toyocom
Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C
Data Sheet
0-1: $2.59
1-10: $2.16
10-50: $1.94
50-100: $1.73
RTC-4543SA:A3 ROHS
RTC-4543SA:A3 ROHS
Epson Toyocom
Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C
Data Sheet
0-1: $2.59
1-10: $2.16
10-50: $1.94
50-100: $1.73
100-250: $1.73
RTC-4543SA:A0
RTC-4543SA:A0

IC REAL TIME CLOCK 14-SOIC
Data Sheet
Negotiable 
RTC-4543SA:B ROHS
RTC-4543SA:B ROHS
Epson Toyocom
Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C
Data Sheet
0-1: $2.16
1-10: $1.80
10-50: $1.62
50-100: $1.44
100-250: $1.44
RTC-4543SASB
RTC-4543SASB
Other

Data Sheet
Negotiable