DS1644P Datasheet - Maxim Integrated

Nonvolatile Timekeeping RAM

DS1644P Features

* Integrated 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 Abs

DS1644P General Description

PIN PDIP PowerCap NAME 1 32 A14 2 30 A12 3 25 A7 4 24 A6 5 23 A5 6 22 A4 7 21 A3 8 20 A2 9 19 A1 10 18 A0 11 16 DQ0 12 15 DQ1 13 14 DQ2 14 17 GND 15 13 DQ3 16 12 DQ4 17 11 DQ5 18 10 DQ6 19 9 DQ7 20 8 CE 21 28 A10 22 7 OE 23 29 A11 24 27 A9 25 26 A8.

DS1644P Datasheet (209.95 KB)

DS1644P Datasheet Preview — Preview of DS1644P PDF

Datasheet Details

Part number:

DS1644P

Manufacturer:

Maxim Integrated ↗

File Size:

209.95 KB

Description:

Nonvolatile timekeeping ram.

📁 Related Datasheet

DS1644 Nonvolatile Timekeeping RAM (Maxim Integrated)

DS1644LPM Nonvolatile Timekeeping RAM (Dallas Semiconducotr)

DS1640 Personal Computer Power FET (Dallas Semiconducotr)

DS1640C Personal Computer Power FET (Dallas Semiconducotr)

DS1642 Nonvolatile Timekeeping RAM (Maxim Integrated)

DS1643 Nonvolatile Timekeeping RAMs (Maxim Integrated Products)

DS1643P Nonvolatile Timekeeping RAMs (Maxim Integrated Products)

DS1645AB Partitionable 1024K NV SRAM (Dallas Semiconducotr)

DS1645Y Partitionable 1024K NV SRAM (Dallas Semiconducotr)

DS1646 Nonvolatile Timekeeping RAM (Maxim Integrated)

TAGS

DS1644P Nonvolatile Timekeeping RAM Maxim Integrated

Image Gallery

DS1644P Features

DS1644P General Description

Datasheet Details

File Size:

Description:

DS1644P Distributor