DS9034PCX datasheet(1/11 Pages) ARTSCHIP

tên linh kiện	DS9034PCX

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DS1643/DS1643P

Nonvolatile Timekeeping RAM

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1

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

absence of power

Access times of 70 ns and 100 ns

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

Lithium energy source is electrically disconnected to retain

freshness until power is applied for the first time

DS1643 only (DIP Module)

-Standard JEDEC byte-wide 8K x 8 RAM pinout

DS1643P only (PowerCap Module Board)

-Surface mountable package for direct connection to

PowerCap containing battery and crystal

-Replaceable battery (PowerCap)

-Power-fail Output

-Pin-for-pin compatible with other densities of DS164XP

Timekeeping RAM

ORDERING INFORMATION

PIN ASSIGNMENT

28-PIN Encapsulated Package

(700-mil Extended)

34-PIN PowerCap Module Board

(USES DS9034PCX PowerCap)

PIN DESCRIPTION

A0-A12

CE2

Vcc

-Address Input

-Chip Enable

-Chip Enable 2 (DIP Module only)

-Output Enable

-Write Enable

-+5 Volts

GND

DQ0-DQ7

NC

X1,X2

VBAT

-Ground

-Data Input/Output

-No Connect

-Power-on Reset Output

(PowerCap Module board only)

-Crystal Connection

-Battery Connection

Số phần tương tự - DS9034PCX

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Dallas Semiconductor	DS9034PCX	263Kb / 20P	RAMified Watchdog Timekeeper
	DS9034PCX	284Kb / 21P	256K NV Y2KC Timekeeping RAM
	DS9034PCX	268Kb / 19P	4MEG NV Y2KC Timekeeping RAM
	DS9034PCX	247Kb / 17P	Y2KC Nonvolatile Timekeeping RAM
	DS9034PCX	187Kb / 11P	Nonvolatile Timekeeping RAM

More results

Mô tả tương tự - DS9034PCX

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Dallas Semiconductor	DS1642	138Kb / 11P	Nonvolatile Timekeeping RAM
	DS1643	81Kb / 11P	Nonvolatile Timekeeping RAM
	DS1644LPM	108Kb / 11P	Nonvolatile Timekeeping RAM?
	DS1646	182Kb / 11P	Nonvolatile Timekeeping RAM
	DS1643	182Kb / 14P	Nonvolatile Timekeeping RAM
Maxim Integrated Produc...	DS1642	145Kb / 13P	Nonvolatile Timekeeping RAM Rev 5/10
Maxim Integrated Produc...	DS1646-120	204Kb / 13P	Nonvolatile Timekeeping RAM Rev 10/10
ARTSCHIP ELECTRONICS CO...	DS1642	221Kb / 8P	Nonvolatile Timekeeping RAM
ARTSCHIP ELECTRONICS CO...	DS1647	186Kb / 10P	Nonvolatile Timekeeping RAM
Maxim Integrated Produc...	DS1647	383Kb / 12P	Nonvolatile Timekeeping RAM 1955 96 ; Rev 10/10

More results

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Số phần tương tự - DS9034PCX

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