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RTC-63421M Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 2 page 57 Real time clock module Specifications (characteristics) Absolute Max. rating Operating range Frequency characteristics and current consumption characteristics External dimensions Terminal connection (Unit: mm) RTC-63421/63421M 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 RTC63421 A EPSON 6051A RTC63423 A EPSON 6100 (VDD) is to be same level as VDD. Do not connect it to any external terminals. NC is not connected internally. 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 RTC-63423 RTC-63421/63421M RTC-63423 ∗ 1=63421M ∗ 2=Motorola bus system 23.1 max. 2.8 max. 0.05 min. 7.62 0.25 16.3 max. 1.0 Unless otherwise stated, characteristics (specifications) shown in the above table are based on the rated operating temperature and voltage condition. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 INTERRUPT CS0 ALE A0 A1 A2 A3 RD (E ∗1) GND WR (R/W ∗1) D3 D2 D1 D0 CS1 (VDD) (VDD) VDD INTERRUPT CS0 ALARM ALE A0 30sec.Adj A1 68/80 A2 A3 RD (E ∗2) GND WR(R/W ∗2) D3 D2 D1 1HZ D0 CS1 STOP/ START NC (VDD) (VDD) VDD 63421/63421M 90 ° to 105 ° 0 ° to 10 ° 63423 4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE RTC-63421/63421M/63423 • Builtin crystal unit allows adjustment-free efficient operation. • Alarm interruption of sec. to month and day of week possible. • Provided with microcomputer compatible bus interface. • Standard signal output selectable in a range of 10min. to 1024 Hz. • Either sec. to hour and day of week or sec. to year and day of week is selectable. • Reference area of time /alarm register is setabil. Provided with RAM bits. (marked on “ ∗” which is shown resister table) • Provided with START/STOP 30 second adjusting function. • Similar mounting method (RTC-63423) to the used for normal type SMD IC. Item Power source voltage Input voltage storage temperature Soldering condition Symbol VDD VIN TSTG TSOL Condition Ta=25˚C Ta=25˚C RTC-63421 RTC-63421M RTC-63423 RTC-63421 RTC-63421M RTC-63423 Specifications -0.3 to 7.0 -0.3 to VDD+0.3 -55 to +85 -55 to +125 Under 260˚C within 10 sec. (lead part) (package should be less than 150˚C) Twice at under 260˚C within 10 sec. or under 230˚C within 3 min. Unit V ˚C Item Operating voltage Operating temperature Data holding voltage CS data holding time Operation restoring time Symbol VDD TOPR VDH tCDR tR Condition ------- Refer to the data holding timing Specifications 4.5 to 5.5 -40 to +85 2.0 to 5.5 2.0 min. Unit V ˚C V µs Item Frequency tolerance Frequency temperature characteristics Aging Shock resistance Current consumption Symbol ∆f/fo fa S.R. IDD 1 IDD 2 Ta=25˚C VDD=5V 63421A/63421MA 63421B/63421MB 63423 A 63423 Condition Three drops on a hard board from 75 cm or 3000G x 0.3ms x 1/2 sine wave x 3 directions CS 1=0V VDD=5V VDD=2V Specifications +15/-5 (5±10) +55/-45 (5±50) +25/-15 (5±20) +55/-45 (5±50) +10/-120 +10/-220 ±5 max. ±10 max. 30max. 1.8 max. Unit ppm ppm/Y ppm µA -10 to +70˚C (25˚C reference temperature) -30 to +85˚C (25˚C reference temperature) VDD=5V, Ta=25˚C, first year Model RTC-63421 RTC-63421M RTC-63423 Applicable CPU Intel bus system Motorola bus system “MOTEL” bus system Actual size |
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