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RTC62421 Datasheet(PDF) 1 Page - Epson Company |
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RTC62421 Datasheet(HTML) 1 Page - Epson Company |
1 / 2 page ![]() 63 Real time clock module Specifications (characteristics) Absolute Max. rating Operating range Frequency characteristics and current consumption characteristics Electrical characteristics External dimensions Terminal connection RTC-62421 (Unit: mm) 23.1 max. 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 (VDD) and VDD are to have the same level of voltage. 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-62421 RTC-62423 RTC-62423 7.62 0.25 16.3 max. 1.0 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 STD. P CS0 ALE A0 A1 A2 A3 RD GND WR D3 D2 D1 D0 CS1 (VDD) (VDD) VDD 62423 STD. P CS0 NC ALE A0 NC A1 NC A2 A3 RD GND WR D3 D2 D1 NC NC D0 CS1 NC (VDD) (VDD) VDD 62421 90 ° to 105 ° 0 ° to 10 ° RTC62421 A EPSON 6053 C RTC62423 A EPSON 9220 4-bit REAL TIME CLOCK MODULE RTC-62421/62423 • Builtin crystal unit allows adjustment-free efficient operation. • Low standby voltage and current consumption (1.8µA at 2V). • Wide range of operating temperature (from -40˚C to +85˚C). • 24H/12H changeable and leap year automatically adjustable (gregorian calendar). • Similar mounting method (RTC-62423) to that used for universal type SMD IC. • Pins and functions are compatible with the MSM6242 series. Item Power source voltage Input and output voltage Storage temperature Soldering condition Symbol VDD VI/O TSTG TSOL Condition Ta=25˚C RTC-62421 RTC-62423 RTC-62421 RTC-62423 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 CS1 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. IDD1 IDD2 Ta=25˚C VDD=5V 62421 A 62421 B 62423 A 62423 Condition Three drops on a hard board from 75 cm or 3000G x 0.3ms x 1/2 sine wave x 3 directions CS1=0V VDD=5V VDD=2V Specifications ±10 ±50 ±20 ±50 +10/-120 +10/-220 ±5 max. ±10 max. 30 max. 1.8 max. Unit ppm ppm/Y ppm µA Item “H” input voltage (1) “L” input voltage (1) Input leak current (1) Input leak current (2) “L” output voltage (1) “H” output voltage “L” output voltage (2) OFF leak current Input capacity “H” input voltage (2) “L” input voltage (2) Symbol VIH1 VIL1 ILK1 ILK2 VOL1 VOH VOL2 IOFFLK C1 VIH2 VIL2 Condition — V1=VDD/0V IOL=2.5mA IOH= -400µA IOL=2.5mA V1=VDD/0V Input frequency 1 MHz VDD=2 to 5.5V Min. 2.2 — 2.4 — 4/5 VDD — Typ. — 5 — Max. — 0.8 1/-1 10/-10 0.4 — 0.4 10 — 1/5 VDD Unit V µA V µA pF V Applicable terminal All inputs other than CS1 Input other than D0 to D3 D0 to D3 STD.P CS1 -10 to +70˚C (25˚C reference temperature) -40 to +85˚C (25˚C reference temperature) VDD=5V, Ta=25˚C, first year Actual size |
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