DS1553P-85+ Maxim Integrated Products, DS1553P-85+ Datasheet - Page 18

• Manufacturer Part Number: DS1553P-85+
• Description: IC RTC RAM Y2K 5V 85NS 34-PCM
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1553P-85+

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 34-PowerCap™ Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC TEST CONDITIONS
Output Load: 100 pF + 1TTL Gate
Input Pulse Levels: 0 to 3.0V
Timing Measurement Reference Levels:
Input Pulse Rise and Fall Times: 5ns
NOTES:
1) Voltage referenced to ground.
2) Typical values are at +25C and nominal supplies.
3) Outputs are open.
4) Battery switch over occurs at the lower of either the battery voltage or V
5) The
6) Data retention time is at +25C.
7) Each DS1553 has a built-in switch that disconnects the lithium source until V
8) Real-time clock modules (DIP) can be successfully processed through conventional wave-soldering
In addition, for the PowerCap:
user. The expected t
from the time power is first applied by the user.
techniques as long as temperature exposure to the lithium energy source contained within does not
exceed +85C. Post solder cleaning with water-washing techniques is acceptable, provided that
ultrasonic vibration is not used.
a. Maxim recommends that PowerCap Module bases experience one pass through solder reflow
b. Hand soldering and touch-up: Do not touch or apply the soldering iron to leads for more than
Input: 1.5V
Output: 1.5V
oriented with the label side up (“live-bug”).
3 seconds. To solder, apply flux to the pad, heat the lead frame pad and apply solder. To remove
the part, apply flux, heat the lead frame pad until the solder reflow and use a solder wick to
remove solder.
IRQ
/FT and
RST
DR
outputs are open drain.
is defined for DIP modules as a cumulative time in the absence of V
18 of 20
PF
.
CC
is first applied by the
CC
starting