DS1687-3 Maxim Integrated Products, DS1687-3 Datasheet - Page 31

• 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—5V
POWER-DOWN CONDITION—5V
P O W E R F A IL
POWER FAIL
V
CC
C S
V
CC
CS
4.25V
4.0V
4.5V
4.5V
V
4.25V
V
t
t
IH
REC
R
IH
4.0V
3.0V
31 of 34
t
PF
t
F
t
FB
DS1685/DS1687 3V/5V Real-Time Clocks