
For Reference Only
Part Number | DS1744-70 |
OEMstron Part # | DS1744-70_5B |
Manufacturer | Maxim Integrated |
Category | Semiconductors › Clock & Timer ICs › Real Time Clocks |
Description | IC RTC CLK/CALENDAR PAR 28-EDIP |
Lifecycle | Obsolete |
RoHS | No RoHS Information |
EDA/CAD Models | DS1744-70 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 25 - Mar 2 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
DS1744-70 Specifications
Part Number | DS1744-70 | |
Brand | Maxim Integrated | |
Lifecycle | Obsolete | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Clock & Timer ICs | |
Subcategory | Real Time Clocks | |
Manufacturer | Maxim Integrated | |
Series | - | |
Type | Clock/Calendar | |
Features | Leap Year, NVSRAM, Y2K | |
Memory Size | 32KB | |
Time Format | HH:MM:SS (24 hr) | |
Date Format | YY-MM-DD-dd | |
Interface | Parallel | |
Voltage - Supply | 4.5V ~ 5.5V | |
Voltage - Supply, Battery | - | |
Current - Timekeeping (Max) | 4mA @ 5V | |
Operating Temperature | 0°C ~ 70°C | |
Mounting Type | Through Hole | |
Package / Case | 28-DIP Module (0.600", 15.24mm) | |
Supplier Device Package | 28-EDIP |
DS1744-70 Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
DS1744-70 D# DS1744-70 Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP - Bulk (Alt: DS1744-70) RoHS: Not Compliant
|
Americas - 3 |
DS1744-70+ D# DS1744-70+ Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP - Bulk (Alt: DS1744-70+) |
Americas - 10 |
DS1744-70IND+ D# DS1744-70IND+ Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP - Bulk (Alt: DS1744-70IND+) |
Americas - 0 |
Part Number | Description | Stock |
DS1744-70+ D# DS1744-70+ Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP (Alt: DS1744-70+) |
Asia - 0 |
Part Number | Description | Stock |
DS1744-70+ D# DS1744-70+ Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP (Alt: DS1744-70+) |
Europe - 43 |
DS1744-70IND+ D# DS1744-70IND+ Maxim Integrated Products |
Real Time Clock Parallel 32KByte 28-Pin EDIP (Alt: DS1744-70IND+) |
Europe - 12 |
Part Number | Description | Stock |
DS1744-70IND Maxim Integrated Products |
REAL TIME CLOCK PARALLEL 32KBYTE 28PIN EDIP - Bulk |
32 |
DS1744-70IND+ Maxim Integrated Products |
REAL TIME CLOCK PARALLEL 32KBYTE 28PIN EDIP - Bulk |
32 |
DS1744-70+ Maxim Integrated Products |
N/A 0 TIMER(S), REAL TIME CLOCK, DMA28 EDIP MODULE-28 |
10 |
DS1744-70 Maxim Integrated Products |
N/A 0 TIMER(S), REAL TIME CLOCK, DMA28 EDIP MODULE-28 |
10 |
Part Number | Description | Stock |
DS1744-70+ Maxim Integrated Products |
RoHS (ship within 1day) - D/C 2014 |
2 |
Part Number | Description | Stock |
DS1744-70 D# 2156-DS1744-70-MA-ND Rochester Electronics LLC |
Y2K, NV TIMEKEEPING RAM |
3 In Stock |
DS1744-70IND+ D# DS1744-70IND+-ND Maxim Integrated Products |
IC RTC CLK/CALENDAR PAR 28-EDIP |
314 In Stock |
DS1744-70+ D# DS1744-70+-ND Maxim Integrated Products |
IC RTC CLK/CALENDAR PAR 28-EDIP |
340 In Stock |
DS1744-70IND D# DS1744-70IND-ND Maxim Integrated Products |
IC RTC CLK/CALENDAR PAR 28-EDIP |
Limited Supply - Call |
Part Number | Description | Stock |
DS1744-70IND+ Dallas Semiconductor |
In stock shipping within 2days |
230 |
Part Number | Description | Stock |
DS1744-70+ D# 2515515 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28 RoHS: Compliant
Min Qty: 1
Container: Each
|
9 |
DS1744-70IND+ D# 2515516 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28 RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
Part Number | Description | Stock |
DS1744-70IND+ Maxim Integrated Products |
DS1744 Series 5.5V 32 KB Y2K-Compliant Non-Volatile Timekeeping RAMs - EDIP-28 RoHS: Compliant
pbFree: Yes
|
21 Bulk |
DS1744-70+ Maxim Integrated Products |
DS1744 Series 5.5 V 32 KB Y2K-Compliant Non-Volatile Timekeeping RAMs - EDIP-28 RoHS: Compliant
pbFree: Yes
|
0 Bulk |
Part Number | Description | Stock |
DS174470IND Dallas Semiconductor |
OEM/CM QUOTES ONLY | NO BROKERS |
345 |
DS174470 DS |
OEM/CM QUOTES ONLY | NO BROKERS |
1725 |
DS174470ND |
OEM/CM QUOTES ONLY | NO BROKERS |
5750 |
Part Number | Description | Stock |
DS174470IND Maxim Integrated Products |
OEM/CM ONLY |
139 |
DS174470 Maxim Integrated Products |
OEM/CM ONLY |
1376 |
Part Number | Description | Stock |
DS1744-70 Maxim Integrated Products |
OEM/CM Immediate delivery |
190 |
Part Number | Description | Stock |
DS1744-70+ D# 700-DS1744-70 Maxim Integrated Products |
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping RAMs RoHS: Compliant
|
37 |
Part Number | Description | Stock |
DS1744-70IND+ D# 73Y1368 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28, Date Format:Day, Date, Month, Year, Century, Clock Format:HH:MM:SS, Clock IC Type:RTC, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Clock IC Case Style:-, No. of Pins:28Pins, Product Range:-, MSL:- RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
1 |
DS1744-70+ D# 73Y1367 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28, Date Format:Day, Date, Month, Year, Century, Clock Format:HH:MM:SS, Clock IC Type:RTC, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Clock IC Case Style:-, No. of Pins:28Pins, Product Range:-, MSL:- RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
9 |
Part Number | Description | Stock |
DS1744-70IND D# NS-DS1744-70IND Maxim Integrated Products |
OEM/CM ONLY |
3311 |
DS1744-70IND+ D# NS-DS1744-70IND+ Maxim Integrated Products |
OEM/CM ONLY |
9620 |
DS1744-70 D# NS-DS1744-70 Maxim Integrated Products |
OEM/CM ONLY |
4847 |
Part Number | Description | Stock |
DS1744-70+ Maxim Integrated Products |
20 |
Part Number | Description | Stock |
DS1744-70+ D# 1921244 Maxim Integrated Products |
Maxim Integrated NVRAM, 28-Pin EDIP, DS1744-70+, TU Min Qty: 12
Container: Tube
|
70 |
DS1744-70IND+ D# 1904748 Maxim Integrated Products |
Maxim Integrated DS1744-70IND+, Real Time Clock, 28-Pin EDIP, TU Min Qty: 12
Container: Tube
|
163 |
Part Number | Description | Stock |
DS1744-70 Maxim Integrated Products |
DS1744 Y2K-Compliant, Nonvolatile Timekeeping Ram RoHS: Not Compliant
|
3 |
Part Number | Description | Stock |
DS174470IND+ Maxim Integrated Products |
OEM/CM ONLY |
261 |
DS174470 Maxim Integrated Products |
OEM/CM ONLY |
404 |
DS174470ND |
OEM/CM ONLY |
5011 |
Part Number | Description | Stock |
DS1744-70 Maxim Integrated Products |
IN stock Immediate delivery |
185 |
Part Number | Description | Stock |
DS1744-70IND+ Dallas Semiconductor |
shipping today |
282 |
Part Number | Description | Stock |
DS1744-70IND+ Maxim Integrated Products |
RFQ |
3683 |
DS1744-70+ Maxim Integrated Products |
RFQ |
4188 |
Part Number | Description | Stock |
DS1744-70+ D# 2515515 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28 RoHS: Compliant
Min Qty: 1
Container: Each
|
9 |
DS1744-70IND+ D# 2515516 Maxim Integrated Products |
RTC W/NV SRAM, 32KB, EDIP-28 RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
The Products You May Be Interested In
![]() |
DS1644-120+ | IC RTC CLK/CALENDAR PAR 28-EDIP | 299 More on Order |
![]() |
DS17885SN-3+ | IC RTC CLK/CALENDAR PAR 24-SOIC | 438 More on Order |
![]() |
DS1344E-33+T&R | IC RTC CLK/CALENDAR SPI 20-TSSOP | 198 More on Order |
![]() |
X1227S8-2.7T1 | IC RTC CLK/CALENDAR I2C 8-SOIC | 484 More on Order |
![]() |
DS1307Z+T&R/C01 | IC RTC CLK/CALENDAR I2C 8-SOIC | 106 More on Order |
![]() |
RTC-63423B | IC RTC CLK/CALENDAR PAR 24-SOIC | 150 More on Order |
![]() |
PT7C43190WEX | IC RTC CALENDAR 3-WIRE SER 8SOIC | 238 More on Order |
![]() |
ISL1220IUZ | IC RTC CLK/CALENDAR I2C 10-MSOP | 412 More on Order |
![]() |
BQ4852YMC-85 | IC RTC CLK/CALENDAR PAR 36-DIP | 282 More on Order |
![]() |
DS1337C/T&R | IC RTC CLK/CALENDAR I2C 16-SOIC | 427 More on Order |
![]() |
DS1306EN | IC RTC CLK/CALENDAR SPI 20-TSSOP | 452 More on Order |
![]() |
DS1340U-18 | IC RTC CLK/CALENDAR I2C 8-USOP | 320 More on Order |
Quick Inquiry
In Stock | 167 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.