DS1644-120 Maxim Integrated Products, DS1644-120 Datasheet - Page 14
![IC RAM TIMEKEEP NV 120NS 28-EDIP](/photos/6/58/65855/ds1225ab-200__sml.jpg)
DS1644-120
Manufacturer Part Number
DS1644-120
Description
IC RAM TIMEKEEP NV 120NS 28-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAMr
Datasheet
1.DS1644P-120.pdf
(14 pages)
Specifications of DS1644-120
Memory Size
256K (32K 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
28-DIP Module (600 mil), 28-EDIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
DS1644120
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1644-120
Manufacturer:
DALLAS
Quantity:
2 046
Part Number:
DS1644-120
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1644-120+
Manufacturer:
Maxim
Quantity:
429
Part Number:
DS1644-120+
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1644-120IND
Manufacturer:
DALLAS
Quantity:
6 100
Company:
Part Number:
DS1644-120IND
Manufacturer:
DALLAS
Quantity:
6 100
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
DATE
4/10
Removed the leaded parts from the Ordering Information table; moved the
Operating Range table into the Absolute Maximum Ratings section, added
the lead temperature, and changed the soldering temperature information.
DESCRIPTION
Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products, Inc.
14 of 14
DS1644/DS1644P
CHANGED
PAGES
1, 7