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DS1243Y Datasheet 64k Nv Sram

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-6076; Rev 11/11 DS1243Y 64K NV SRAM with Phantom Clock.

General Description

PIN NAME FUNCTION 1 RST Active-Low Reset Input.

This pin has an internal pullup resistor connected to VCC.

2 A12 3 A7 4 A6 5 A5 6 A4 7 A3 8 A2 Address Inputs 9 A1 10 A0 23 A11 21 A10 24 A9 25 A8 11 DQ0 12 DQ1 13 DQ2 15 16 DQ3 DQ4 Data In/Data Out 17 DQ5 18 DQ6 19 DQ7 20 CE Active-Low Chip-Enable Input 22 OE Active-Low Output-Enable Input 26 N.C.

Key Features

  • Real-Time Clock Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years.
  • 8K x 8 NV SRAM Directly Replaces Volatile Static RAM or EEPROM.
  • Embedded Lithium Energy Cell Maintains Calendar Operation and Retains RAM Data.
  • Watch Function is Transparent to RAM Operation.
  • Automatic Leap Year Compensation Valid Up to 2100.
  • Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the F.

DS1243Y Distributor

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
DS1244 256K NV SRAM
DS1244P 256K NV SRAM
DS1245AB 1024k Nonvolatile SRAM
DS1245W 3.3V 1024k Nonvolatile SRAM
DS1245Y 1024k Nonvolatile SRAM
DS1248 1024K NV SRAM
DS1248P 1024K NV SRAM
DS1249AB 2048k Nonvolatile SRAM
DS1249Y 2048k Nonvolatile SRAM
DS1210 Nonvolatile Controller