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Description
INTEGRATED SILICON SOLUTION (ISSI) IS43DR16640B-25DBLI SDRAM, DDR2, 1GBIT, 1.8V, 84BGAThe IS43DR16640B 25DBLI is a 1Gb DDR2 SDRAM with 400MHz frequency, DDR2 800D speed grade and 64Mb x 16 organization. For application flexibility, burst length, burst type, CAS# latency, DLL reset function, write recovery time (WR) are user defined variables and must be programmed with a Mode Register Set (MRS) command. Additionally, DLL disable function, driver impedance, additive CAS latency, ODT (On Die Termination), single ended strobe and OCD (off
The IS43DR16640B-25DBLI is a 1Gb DDR2 SDRAM with 400MHz frequency, DDR2-800D speed grade and 64Mb x 16 organization. For application flexibility, burst length, burst type, CAS# latency, DLL reset function, write recovery time (WR) are user defined variables and must be programmed with a Mode Register Set (MRS) command. Additionally, DLL disable function, driver impedance, additive CAS latency, ODT (On Die Termination), single-ended strobe and OCD (off chip driver impedance adjustment) are also user defined variables and must be programmed with an Extended Mode Register Set (EMRS) command. Contents of the Mode Register (MR) or Extended Mode Registers EMR[1] and EMR[2] can be altered by re-executing the MRS or EMRS Commands. Even if the user chooses to modify only a subset of the MR, EMR[1] or EMR[2] variables, all variables within the addressed register must be redefined when the MRS or EMRS commands are issued.
- 8 Internal banks for concurrent operation
- 4-bit Prefetch architecture
- Programmable CAS latency - 3, 4, 5, 6 and 7
- Programmable additive latency - 0, 1, 2, 3, 4, 5 and 6
- Write latency = Read Latency-1
- Sequential or interleave programmable burst sequence
- 4 and 8 programmable burst length
- Automatic and controlled precharge command
- Power down mode
- Auto refresh and self refresh
- 7.8�s (8192 cycles/64ms) Refresh interval
- ODT (On-Die Termination)
- Weak strength data-output driver option
- Bidirectional differential data strobe (single-ended data-strobe is an optional feature)
- On-chip DLL aligns DQ and DQs transitions with CK transitions
- DQS# can be disabled for single-ended data strobe
- Read data strobe supported (x8 only)
- Differential clock inputs CK and CK#
- VDD and VDDQ = 1.8V �0.1V
- PASR (Partial Array Self Refresh)
Applications
Industrial, Commercial, Automotive
Product details
| Operating Temperature Min | -40�C |
| Operating Temperature Max | 85�C |
| Access Time | - |
| DRAM Memory Configuration | 64M x 16bit |
| No. of Pins | 84Pins |
| Product Range | - |
| Memory Case Style | BGA |
| IC Interface Type | SSTL |
| Packaging | Each |
| Page Size | - |
| MSL | MSL 3 - 168 hours |
Other details
| Brand | INTEGRATED SILICON SOLUTION (ISSI) |
| Part Number | IS43DR16640B-25DBLI |
| Quantity | Each |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Great powerstrip
Color: Black, Size: 6FT (2U1C)
Works as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 4
Perfect for Nightstand Setup!
Color: Black, Size: 6FT (2U1C)
I use this desk clamp power strip on my nightstand, and it’s been a fantastic upgrade. The clamp design keeps it securely in place without taking up surface space, and the 5 AC outlets + 3 USB ports are super convenient for charging my phone, tablet, lamp, and other devices all in one spot.
The build feels sturdy, and the surge protection gives me peace of mind. It’s great for keeping cords organized and easily accessible—especially helpful in a bedroom where outlets are limited. Highly recommend for anyone looking to tidy up their charging area!
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Very handy to keep cords off the floor near a table or night stand
Color: Black, Size: 6FT (2U1C)
This is great for keeping cords off the floor near a nightstand or table. I have a small table lamp and phone charger plugged into it. When I travel, it's easy to unplug the phone charger without having to fish up a power strip from behind the night stand.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Holds on to table well, every port works
Color: Black, Size: 6FT (2U1C)
I wanted a charging station on my end table and didn't want to buy a new end table. This works great, Stays firm where I clamped it, and unlike my power strips in the past, every plug and port work. Highly recommend.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Versital Back and knees saver
Color: Black, Size: 6FT (2U1C)
Love this thing! If you’re tired of climbing under desks and table to get to outlets this is for you. Perfect for all your charging need too.
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Reviewed in the United States on April 20, 2026