DS1557P-70IND Maxim Integrated Products, DS1557P-70IND Datasheet - Page 17

• Manufacturer Part Number: DS1557P-70IND
• Description: IC RTC RAM Y2K 5V 70NS 34PCM
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1557P-70IND

• Memory Size: 4M (512K 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: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 34-PowerCap™ Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

REVISION HISTORY
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses
are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r i v e , S u n n y v a l e , C A 9 4 0 8 6 4 0 8 - 7 3 7 - 7 6 0 0

REVISION
2010 Maxim Integrated Products
DATE
9/10
Updated the Ordering Information table to include only lead-free parts; updated the storage
temperature range and soldering temperature and added the lead temperature to the Absolute
Maximum Ratings section; added Note 11 to the I
Characteristics tables (for 5.0V and 3.3V) and the Notes section; replaced the package outline
drawings with the Package Information table
Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products.
DESCRIPTION
DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
17 of 17
CC
parameter in the DC Electrical
CHANGED
2, 10, 11, 16
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