Model: DS1743-100

Digital Microcircuit

Special Features:

Integrated nv sram, realtime clock, crystal power-fail contro circuit and circuit and lithium energy source; clock registers are accessed identical to the static ram; these registers are resident in the eight top ram locations; century byte register; totally nonvolite with over 10 years of operation in the absence of power; bcd coded century, year, month, date, day hours, compensationvalid up to the year 2100; battery voltage level indicator flag; power-fail write protection allows for plus/minus10% vcc power supply tolerance; lithium energy source is electrically disconnected to retain freshness until power is applied for the first time.

Properties:

Operating Tempurature Range
+00.1 to 70.0 degrees celsius
Design Function And Quantity
1 oscillator, clock
Part Name Assigned By Controlling Agency
Semiconductor, y2kc nonvolatile timekeeping ram
Special Test Features
The ds1743 is a full function, year 2000-complaint (y2kc), real-time clock/calendar (rtc) and 8k x 8 non-volatile static ram. The real time clock (rtc) information and control bits reside in the eight uppermost ram locations. Corrictions for the month and leap year are made automatically. Clock register are double buffered system also prevents time loss as the timekeeping countdown continues unabated by access to time register data. The ds1743 also contains its own power-fial circuitry, which deselects the device when the vcc supply is in an out of tolerance condition. This featur prevents loss of data from unpredictable system operation brought on by low vcc as errant access and update cycles are avoided.
NSN
5962-01-632-9021
Part Number
DS1743-100
Description
Microcircuit,digital
CAGE
0B0A9

A microcircuit specifically designed to generate, modify, or process electrical signals which operate with two distinct or binary states. These states are commonly referred to as on and off, true and false, high and low, or "1" and "0".

Part DS1743-100 NSN 5962-01-632-9021

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
31779
FIIG:
A458A0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
D
ESD:
D
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8542900000
  • SITC: 77689
  • End Use: Semiconductors
  • NAICS: 334413
  • USDA: 1

Freight Class: Electronic integrated circuits and microassembly parts

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