RTC-4553A2

RTC-4553A2 Datasheet


RTC-4553

Part Datasheet
RTC-4553A2 RTC-4553A2 RTC-4553A2 (pdf)
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Real time clock module

SERIAL-INTERFACE REAL TIME CLOCK MODULE WITH SRAM

RTC-4553

Product number please refer to page 2 Q4145 535xx xxx 00
• Built-in crystal unit allows adjustment-free efficient operation.
• Automatic calendar function year, month, day, day of the week, hour, minute,
second .
• Automatic leap year correction.
• Builtin 30 x 4-bit S-RAM.
• Reference pulse output. 1024 Hz, 1/10 Hz

Actual size

The details are mentioned in the application manual.

Specifications characteristics Absolute Max. rating

Item Supply voltage Input voltage Output voltage Storage temperature

Symbol Condition

VDD to GND

VIN SIN,SCK, WR, CS0, CS1 ____

VOUT

SOUT, TPOUT

TSTG

Stored as bare product after unpacking

Min. -55

Max. Unit

V VDD+0.3
+125

Operating range

Terminal connection RTC-4553

No. Pin terminal No. Pin terminal
1 GND 14 TPOUT
2 WR 13 SOUT

SIN 12 CS1
4 SCK 11 CS0
5 L1 10 L5
6 L2 9 L4
8 VDD

Item

Symbol Condition Min. Typ. Max. Unit

L1 to L5 are test pin. Do not connect them to any terminals.

Power voltage

Clock voltage

VCLK

Operating temperature TOPR No condensation -30 +70

External dimensions RTC-4553 SOP 14-pin

Unit mm

Frequency characteristics
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Datasheet ID: RTC-4553A2 511861