DS1556-70+ Maxim Integrated Products, DS1556-70+ Datasheet - Page 18

• Manufacturer Part Number: DS1556-70+
• Description: IC RTC RAM Y2K 5V 70NS 32-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1556-70+

• Memory Size: 1M (128K 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: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS 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 Absolute
Maximum Ratings section to include the storage temperature range and lead and soldering
temperatures for EDIP and PowerCap packages; added Note 11 to the I
Electrical 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
18 of 18
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
CC
parameter in the DC
CHANGED
2, 11, 12, 17
PAGES