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DS21Q41BT
DS21Q41BT - Brand New Texas Instruments Telecommunication Interface ICs
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 DS21Q41B combines four of the popular DS2141A T1 Controllers onto a single monolithic die. The “B” designation denotes that some new features are available in the Quad version that were not available in the single T1 device. The added features in the DS21Q41B are listed in Section 1. The DS21Q41B offers a substantial space savings to applications that require more than one T1 framer on a card. The Quad version is only slightly bigger than the single T1 device. All four framers in the DS21Q41B are totally independent, they do not share a common framing synchronizer. Also, the transmit and receive sides of each framer are totally independent. The dual two–frame elastic stores contained in each of the four framers can be independently enabled and disabled as required. The DS21Q41B meets all of the latest specifications including ANSI T1.403 (and the emerging T1.403–199X), ANSI T1.231–1993, AT&T TR62411, AT&T TR54016, ITU G.704 and G.706.
FEATURES
• Four T1 DS1/ISDN–PRI framing transceivers
• All four framers are fully independent
• Frames to D4, ESF, and SLC–96 formats
• 8–bit parallel control port that can be connected to either multiplexed or
non–multiplexed buses
• Each of the four framers contains dual two–frame elastic stores that can
connect to asynchronous or synchronous backplanes up to 8.192 MHz
• Extracts and inserts robbed bit signaling
• Framer and payload loopbacks
• Large counters for BPVs, LCVs, EXZs, CRC6, PCVs, F–bit errors and the number
of multiframes out of sync
• Contains ANSI ones density monitor and enforcer
• CSU loop code generator and detector
• Programmable output clocks for Fractional T1, ISDN–PRI, Actual Size and per
channel loopback applications
• Onboard FDL support circuitry
• Pin compatible with DS21Q43 Quad E1 Framer
• 5V supply; low power CMOS
• Available in 128–pin TQFP
• Industrial (–40°C to +85°C) grade version available (DS21Q41BTN)
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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