Technical Documents
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RoHS Compliant · Lead-Free
EIA-481 Standard
Winbond Electronics W79E4051RARG
MPN W79E4051RARG
End of Life
Spot Stock · 24-48h Dispatch
100% Original Sealed
IC MCU 8BIT 4KB FLASH 20SSOP
In Stock: 456 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$1.77 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$1.77
10+ pcs
$1.59
30+ pcs
$1.45
100+ pcs
$1.31
Working on a production BOM or have a target unit price? Submit Target Price
[SPEC] Essential Parameters Snapshot Full Specifications (17)
Package / Case 20-SSOP (0.209", 5.30mm Width)
Supply Voltage 2.4V ~ 5.5V
Speed / Frequency 24MHz
Memory / RAM 256 x 8
Full Technical Specifications
17 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Series | W79 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.4V ~ 5.5V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 24MHz |
| Package | Tube |
| RAM size | 256 x 8 |
| Core size | 8-Bit |
| EEPROM size | 128 x 8 |
| Peripherals | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT |
| Connectivity | UART/USART |
| Number of i (O) | 17 |
| Core processor | 8051 |
| Case | 20-SSOP (0.209\", 5.30mm Width) |
| Program memory size | 4KB (4K x 8) |
[DESK] Shenzhen Spot Allocation · 2h Response
Need Immediate Spot Stock or Shortage Allocation for W79E4051RARG?
Factory lead times blocking production? We lock verified brand-new original stock in Shenzhen within 2 hours.
Quote SLA 2 Hours
[01] Emergency Shortage 24-48h Shenzhen Dispatch
Direct access to Shenzhen floor inventory, franchised allocation buffers, and factory bonded stock to resolve line-down shutdowns.
[02] Industrial Packaging Tape & Reel / Tray / Tube
Standard factory-sealed packaging compliant with EIA-481 standards for automated high-speed SMT pick-and-place lines.
[03] WhatsApp QC Proof 45x Microscope QC Photos
High-resolution photos of original reel labels, 2D DataMatrix, and pin coplanarity sent via WhatsApp/Telegram before you release wire payment.
● USD Wire Transfer (SWIFT T/T) · DAP Express / DDP Delivery
W79E4051RARG
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