Images are for reference only See Product Specifications
W83791SD
Speech Synthesizer, PQFP48, LQFP-48
Brands: WINBOND ELECTRONICS CORP
Mfr.Part #: W83791SD
Datasheet: W83791SD Datasheet (PDF)
Package/Case: QFP48
RoHS Status:
Stock Condition: 6554 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
0
1
Add To BomFeatures
- Pin-to-pin backward compatible with W83759 VL-IDE Interface chip
- VESA VL-Bus Rev 2.0 compatible, connects directly to local bus and four IDE drives
- Direct interface to various ANSI ATA/ATA-2/FAST ATA/IDE-2/Enhanced IDE drives
- Supports 32 and 16-bit data transfer
- Fully software programmable for command active/recovery time and address setup, data hold time
- Built-in VL-Bus to 16-bit IO data buffer for special applications
- Fully supports Enhanced IDE features, including Fast PIO, Mode 3/4, IORDY flow control, prefetch control
- Supports dual channels to allow up to four drives or non-disk devices (ATAPI CD-ROM and tape drives)
- Pipeline pre-fetched reads and posted writes for concurrent disk and host operations
- Independent access timing for all drives (primary/secondary and master/slave)
- All Enhanced IDE new features may be disabled/enabled via driver or power-on setting by per drive selectability
- ATA/Mode 0-4 PIO speed may be set as default timing of each drive via power-on jumper setting
- Supports slave DMA mode protocol (reserved)
- Supports auto power-down, standby, suspend APM power management state for green PCs
- Primary and secondary channel can be independently enabled/disabled by software or jumper setting
- Supports drivers for DOS, Windows, OS/2, UNIX, and Netware
- Packaged in 100-pin QFP
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Ihs Manufacturer | WINBOND ELECTRONICS CORP | Part Package Code | QFP |
| Package Description | LFQFP, QFP48,.35SQ,20 | Pin Count | 48 |
| Reach Compliance Code | HTS Code | 8542.39.00.01 | |
| Consumer IC Type | SPEECH SYNTHESIZER | JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e0 | Length | 7 mm |
| Number of Functions | 1 | Number of Terminals | 48 |
| On Chip Memory Type | FLASH | Operating Temperature-Max | 70 °C |
| Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
| Package Code | LFQFP | Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE | Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Power Supplies | 5 V | Qualification Status | Not Qualified |
| Seated Height-Max | 1.6 mm | Supply Voltage-Max (Vsup) | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | Surface Mount | YES |
| Temperature Grade | COMMERCIAL | Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING | Terminal Pitch | 0.5 mm |
| Terminal Position | QUAD |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
 |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
 |
Paypal | charge 4.0% service fee. |
 |
Credit Card | charge 3.5% service fee. |
 |
Western Union | charge US.00 banking fee. |
 |
Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
-
![Product]( "Product")
Step1 :Product
-
![Vacuum packaging]( "Vacuum packaging")
Step2 :Vacuum packaging
-
![Anti-static bag]( "Anti-static bag")
Step3 :Anti-static bag
-
![Individual packaging]( "Individual packaging")
Step4 :Individual packaging
-
![Packaging boxes]( "Packaging boxes")
Step5 :Packaging boxes
-
![bar-code shipping tag]( "bar-code shipping tag")
Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
We provide high quality products, thoughtful service and after sale guarantee
-
![Product]( "Product")
We have rich products, can meet your various needs.
-
![quantity]( "quantity")
Minimum order quantity starts from 1pcs.
-
![shipping]( "shipping")
Lowest international shipping fee starts from $0.00
-
![guarantee]( "guarantee")
365 days quality guarantee for all products
