Part Number
|
DS1646P |
Manufacturer
|
Maxim Integrated |
Description
|
Nonvolatile Timekeeping RAM |
Published
|
Mar 27, 2020 |
Detailed Description
|
19-5595; Rev 10/10
DS1646/DS1646P Nonvolatile Timekeeping RAM
www.maxim-ic.com
FEATURES
Integrates NV SRAM, Real-Ti...
|
Datasheet
|
DS1646P
|
Overview
19-5595; Rev 10/10
DS1646/DS1646P Nonvolatile Timekeeping RAM
www.
maxim-ic.
com
FEATURES
Integrates NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source
Clock Registers are Accessed Identically to the Static RAM.
These Registers are Resident in the Eight Top RAM Locations
Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power
BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100
Power-Fail Write Protection Allows for ±10% VCC Power Supply Tolerance
DS1646 only (DIP Module)
PIN CONFIGURATIONS
N.
C.
A16 A14 A12
A7 A6 A5 A4 A3 A2 A1
A0
DQ0
DQ1 DQ2
GND
1 2 3 4 5 6 7 8 9 10...
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