Datasheet4U Logo Datasheet4U.com

DS1557

4MEG NV Y2KC Timekeeping RAM

DS1557 Features

* Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source

* Clock Registers are Accessed Identically to the Static RAM; These Registers Reside in the 16 Top RAM Locations

* Century Byte Register (i.e., Y2K Compliant)

* Totally Nonvola

DS1557 General Description

A0

*A18 - Address Input DQ0

*DQ7 IRQ/FT - Data Input/Outputs - Interrupt, Frequency Test Output (Open Drain) RST - Power-On Reset Output (Open Drain) CE - Chip Enable OE - Output Enable WE - Write Enable VCC GND - Power-Supply Input - Ground X1, X2 - Crystal Connectio.

DS1557 Datasheet (249.40 KB)

Preview of DS1557 PDF

Datasheet Details

Part number:

DS1557

Manufacturer:

Dallas Semiconducotr

File Size:

249.40 KB

Description:

4meg nv y2kc timekeeping ram.

📁 Related Datasheet

DS1553 - Year-2000-Compliant Timekeeping RAM (Dallas Semiconducotr)
19-5480; Rev 8/10 .maxim-ic. DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM GENERAL DESCRIPTION The DS1553 is a full-function,.

DS1554 - 256K NV Y2KC Timekeeping RAM (Dallas Semiconducotr)
19-5497; Rev 9/10 .maxim-ic. DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM FEATURES  Integrated NV SRAM, Real-Time Clock (RTC), Cr.

DS1556 - Y2K-Compliant Timekeeping RAM (Dallas Semiconducotr)
19-5500; Rev 9/10 .maxim-ic. DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM FEATURES  Integrated NV SRAM, Real-Time Clock (RTC), Crys.

DS1558 - Watchdog Clock (Dallas Semiconducotr)
DS1558 Watchdog Clock with NV RAM Control .maxim-ic. FEATURES  Integrated Real-Time Clock (RTC), PowerFail Control Circuit, and NV RAM Control.

DS15 - NPN Transistor (INCHANGE)
isc Silicon NPN Power Transistors DS15 DESCRIPTION ·Collector-Emitter Breakdown Voltage- : V(BR)CEO= 100V(Min) ·Fast Switching Speeds ·Minimum Lot-t.

DS1500 - Y2K Watchdog RTC (Dallas Semiconducotr)
DS1500 Y2K Watchdog RTC with Nonvolatile Control .maxim-ic. GENERAL DESCRIPTION The DS1500 is a full-function, year 2000-pliant real-time cl.

DS1501 - (DS1501 / DS1511) Y2K-Compliant Watchdog Real-Time Clocks (Dallas Semiconducotr)
DS1501/DS1511 Y2K-Compliant Watchdog Real-Time Clocks .maxim-ic. GENERAL DESCRIPTION The DS1501/DS1511 are full-function, year 2000pliant re.

DS1501 - Y2K-Compliant Watchdog Real-Time Clocks (Maxim Integrated)
DS1501/DS1511 Y2K-Compliant Watchdog Real-Time Clocks GENERAL DESCRIPTION The DS1501/DS1511 are full-function, year 2000pliant real-time clock/cal.

TAGS

DS1557 4MEG Y2KC Timekeeping RAM Dallas Semiconducotr

Image Gallery

DS1557 Datasheet Preview Page 2 DS1557 Datasheet Preview Page 3

DS1557 Distributor