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DS1643-150+
DS1643-150+ - Brand New Texas Instruments IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
DESCRIPTION
The DS1643 is a 8K x 8 nonvolatile static RAM with a full function Real Time
Clock (RTC) which are both acces
sible in a Byte–wide format. The nonvolatile timekeep ing RAM is function
equivalent to any JEDEC standard
8K x 8 SRAM.
FEATURES
•Integrated NV SRAM, real time clock, crystal, power–fail control circuit and
lithium energy source
•Clock registers are accessed identical 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 120 ns and 150 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
•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
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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