DS1746-70IND+ by Analog Devices
Y2K-Compliant, Nonvolatile Timekeeping RAMs
| Status: | Active |
|---|---|
| Series: | DS1746, DS1746P |
| RoHS: | Unknown |
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. |
| Century Byte Register (i.e., Y2K Compliant) |
| Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power |
| BCD-coded century, year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100 |
| Battery Voltage-Level Indicator Flag |
| 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 |
| DIP Module Only Standard JEDEC Byte-Wide 128k x 8 Static RAM Pinout |
| PowerCap Module Board Only Surface Mountable Package for Direct Connection to PowerCap Containing Battery and Crystal Replaceable Battery (PowerCap) Power-On Reset Output Pin-for-Pin Compatible with Other Densities of DS174xP Timekeeping RAM |
| Surface Mountable Package for Direct |
| Connection to PowerCap Containing |
| Battery and Crystal |
| Replaceable Battery (PowerCap) |
| Power-On Reset Output Pin-for-Pin Compatible with Other Densities of DS174xP Timekeeping RAM |
| Also Available in Industrial Temperature Range: -40°C to +85°C |
Specifications
| Interface | Bytewide |
|---|---|
| VSUPPLY (V) | 5 |
| Date/ Time Format (hh = sec/100) | YYYY-MM-DD/ HH:MM:SS |
| Memory Type | NV SRAM |
| Memory Size (Bytes) | 128K |
| Time of Day Alarms | 0 |
| Package/Pins | MOD/32PWRCP/34 |
| BudgetaryPrice (See Notes) | 24.49 |
DS1746-70IND+ Maxim Integrated Parts by Analog Devices
RTC W/ NV SRAM 128KB EDIP-32
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Date Format | Day |
|---|---|
| Clock Format | HH |
| Clock IC Type | RTC |
| Supply Voltage Min | 4.5V |
| Supply Voltage Max | 5.5V |
| Clock IC Case Style | EDIP |
| No. of Pins | 32Pins |
| IC Interface Type | Bytewide |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Automotive Qualification Standard | - |
| MSL | MSL 1 - Unlimited |
Alternative Descriptions
| Y2K-Compliant, Nonvolatile Tim | Analog Devices |
| Rtc W/ Nv Sram, 128Kb, Edip-32 | Newark Electronics |
| RTC W/ NV SRAM, 128KB, EDIP-32 | element14 |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS1746-70IND+ ?
Additional datasheets, footprints and schematics for DS1746-70IND+ are listed on our Part Details page. You can also find images and similar parts to DS1746-70IND+ on this page.
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Is the DS1746-70IND+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for DS1746-70IND+ have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for DS1746-70IND+ .
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