DS1687-3 Maxim Integrated Products, DS1687-3 Datasheet - Page 30

• Manufacturer Part Number: DS1687-3
• Description: IC RTC 3V 64-BIT Y2K 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1687-3

• Memory Size: 242B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.7 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

POWER-UP CONDITION—3V
POWER-DOWN CONDITION—3V
POWER FAIL
V
POWER FAIL
CC
CS
V
CS
CC
2.5V
2.6V
2.7V
2.7V
V
2.6V
t
t
IH
REC
R
V
IH
2.5V
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t
PF
t
F
DS1685/DS1687 3V/5V Real-Time Clocks