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SM8230AS-ET
SM8230AS-ET - Brand New NPC 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
OVERVIEW
The SM8230A is a dual-tone signal generator LSI developed for DTMF (dual tone
multi-frequency) dialing. It features a built-in piezo-electric speaker driver
for direct connection to a piezo-electric buzzer.
The DTMF frequencies can be set to correspond to the DTMF standards of any
country. The output level is also adjustable under software control. These
features, combined with its small package and low power dissipation, make the
SM8230A a very use device to use.
FEATURES
■ 3-line serial interface to external CPU
■ 2 independent, adjustable frequency outputs
■ Piezo driver for direct connection to a piezoelectric buzzer
■ 4 system clock frequencies selectable (480 kHz, 960 kHz, 1.92 MHz, 3.84 MHz)
■ 2.6 to 3.3 V supply voltage
■ Low current consumption
• 3.0 mA (max) operating current
• 1 µA (max) standby current
■ 8-pin plastic SOP
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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