DS1746-70 Maxim Integrated Products, DS1746-70 Datasheet - Page 16

• Manufacturer Part Number: DS1746-70
• Description: IC RTC RAM Y2K 5V 70NS 32-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1746-70

• 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: 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
 2010 Maxim Integrated Products
REVISION
080508
DATE
9/10
Added UL recognition information and weblink to the Pin Description table;
corrected the top mark for –70 part numbers in the Ordering Information table;
updated the write timing diagrams to show t
Updated the Ordering Information table top mark information; updated the Absolute
Maximum Ratings section to include the storage temperature range and lead and
soldering temperatures for EDIP and PowerCap packages; added Note 10 to the I
parameter in the DC Electrical Characteristics tables (for 5.0V and 3.3V) and the
Notes section; updated the Package Information table
Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products.
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
DESCRIPTION
16 of 16
WR
as specified by RAM vendors
CC
CHANGED
2, 3, 10, 12
3, 8, 9, 15
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