Pagina 242 - Famiglia logica - Buffer, driver, ricevitori, transceiver | Circuiti integrati (CI) | Heisener Electronics
Contattaci
SalesDept@heisener.com 86-755-83210559-843
Accesso/Registrati
Language Translation

* Please refer to the English Version as our Official Version.

BOM
Carrello 0

Famiglia logica - Buffer, driver, ricevitori, transceiver

Record 15.562
Pagina  242/556
Immagine
Numero di parte
Produttore
Descrizione
pacchetto
Azione
Quantità
Number of Elements
Number of Bits per Element
Input Type
Output Type
Current - Output High, Low
Voltage - Supply
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
74ACT11543DWE4
Texas Instruments

IC REGISTERED TXRX 8BIT 28SOIC

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 24mA, 24mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SOIC
pacchetto: 28-SOIC (0.295", 7.50mm Width)
Azione2.384
1
8
-
Push-Pull
24mA, 24mA
4.5 V ~ 5.5 V
-40°C ~ 85°C (TA)
Surface Mount
28-SOIC (0.295", 7.50mm Width)
28-SOIC
74ALVT16240DGG,512
NXP

IC BUFF DVR TRI-ST 16BIT 48TSSOP

  • Logic Type: Buffer, Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 32mA, 64mA
  • Voltage - Supply: 2.3 V ~ 2.7 V, 3 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.240", 6.10mm Width)
  • Supplier Device Package: 48-TSSOP
pacchetto: 48-TFSOP (0.240", 6.10mm Width)
Azione3.696
4
4
-
Push-Pull
32mA, 64mA
2.3 V ~ 2.7 V, 3 V ~ 3.6 V
-40°C ~ 85°C (TA)
Surface Mount
48-TFSOP (0.240", 6.10mm Width)
48-TSSOP
DM74ALS240ASJ
Fairchild/ON Semiconductor

IC INVERTER DUAL 4-INPUT 20SOP

  • Logic Type: Buffer, Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 15mA, 24mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SOP
pacchetto: 20-SOIC (0.209", 5.30mm Width)
Azione4.160
2
4
-
Push-Pull
15mA, 24mA
4.5 V ~ 5.5 V
0°C ~ 70°C (TA)
Surface Mount
20-SOIC (0.209", 5.30mm Width)
20-SOP
SN74LVTH16244AGQLR
Texas Instruments

IC BUFF/DVR TRI-ST 16BIT 56BGA

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 32mA, 64mA
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 56-VFBGA
  • Supplier Device Package: 56-BGA MICROSTAR JUNIOR (7.0x4.5)
pacchetto: 56-VFBGA
Azione4.816
4
4
-
Push-Pull
32mA, 64mA
2.7 V ~ 3.6 V
-40°C ~ 85°C (TA)
Surface Mount
56-VFBGA
56-BGA MICROSTAR JUNIOR (7.0x4.5)
74F827SC
Fairchild/ON Semiconductor

IC BUFF DVR 10BIT N-INV 24SOIC

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 10
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 3mA, 64mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 24-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 24-SOIC
pacchetto: 24-SOIC (0.295", 7.50mm Width)
Azione5.184
1
10
-
Push-Pull
3mA, 64mA
4.5 V ~ 5.5 V
0°C ~ 70°C (TA)
Surface Mount
24-SOIC (0.295", 7.50mm Width)
24-SOIC
74HC652D,112
NXP

IC TXRX NON-INV 3-ST 8BIT 24SOIC

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Voltage - Supply: 2 V ~ 6 V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 24-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 24-SO
pacchetto: 24-SOIC (0.295", 7.50mm Width)
Azione5.232
1
8
-
Push-Pull
7.8mA, 7.8mA
2 V ~ 6 V
-40°C ~ 125°C (TA)
Surface Mount
24-SOIC (0.295", 7.50mm Width)
24-SO
74FCT163245APVG8
IDT, Integrated Device Technology Inc

IC BIDIRECT TRSCVR 16BIT 48SSOP

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 8mA, 24mA
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-BSSOP (0.295", 7.50mm Width)
  • Supplier Device Package: 48-SSOP
pacchetto: 48-BSSOP (0.295", 7.50mm Width)
Azione4.704
2
8
-
Push-Pull
8mA, 24mA
2.7 V ~ 3.6 V
-40°C ~ 85°C (TA)
Surface Mount
48-BSSOP (0.295", 7.50mm Width)
48-SSOP
hot 74ABT162245DLRG4
Texas Instruments

IC BUS TRANSCVR 16BIT 48SSOP

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 12mA, 12mA; 32mA, 64mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-BSSOP (0.295", 7.50mm Width)
  • Supplier Device Package: 48-SSOP
pacchetto: 48-BSSOP (0.295", 7.50mm Width)
Azione10.188
2
8
-
Push-Pull
12mA, 12mA; 32mA, 64mA
4.5 V ~ 5.5 V
-40°C ~ 85°C (TA)
Surface Mount
48-BSSOP (0.295", 7.50mm Width)
48-SSOP
SN74F125NG4
Texas Instruments

IC BUS BUFF TRI-ST QD 14DIP

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 1
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 15mA, 64mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Through Hole
  • Package / Case: 14-DIP (0.300", 7.62mm)
  • Supplier Device Package: 14-PDIP
pacchetto: 14-DIP (0.300", 7.62mm)
Azione6.736
4
1
-
Push-Pull
15mA, 64mA
4.5 V ~ 5.5 V
0°C ~ 70°C (TA)
Through Hole
14-DIP (0.300", 7.62mm)
14-PDIP
74AUP3G07GM,125
Nexperia USA Inc.

IC BUFFER/DVR GATE TRPL UXQFN8

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 3
  • Number of Bits per Element: 1
  • Input Type: -
  • Output Type: Open Drain
  • Current - Output High, Low: -, 4mA
  • Voltage - Supply: 0.8 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 8-XFQFN
  • Supplier Device Package: 8-XQFN (1.6x1.6)
pacchetto: 8-XFQFN
Azione3.024
3
1
-
Open Drain
-, 4mA
0.8 V ~ 3.6 V
-40°C ~ 125°C (TA)
Surface Mount
8-XFQFN
8-XQFN (1.6x1.6)
74LVC125ADR2G
ON Semiconductor

IC BUFFER NON-INV QUAD 14SOIC

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 1
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 24mA, 24mA
  • Voltage - Supply: 1.2 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 14-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 14-SOIC
pacchetto: 14-SOIC (0.154", 3.90mm Width)
Azione5.616
4
1
-
Push-Pull
24mA, 24mA
1.2 V ~ 3.6 V
-40°C ~ 125°C (TA)
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SOIC
SN74AHC16240DGVR
Texas Instruments

IC INVERTER QUAD 4-INPUT 48TVSOP

  • Logic Type: Buffer, Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 8mA, 8mA
  • Voltage - Supply: 2 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 48-TVSOP
pacchetto: 48-TFSOP (0.173", 4.40mm Width)
Azione6.464
4
4
-
Push-Pull
8mA, 8mA
2 V ~ 5.5 V
-40°C ~ 85°C (TA)
Surface Mount
48-TFSOP (0.173", 4.40mm Width)
48-TVSOP
CD74FCT244ATM96
Texas Instruments

IC BUFF/DVR TRI-ST DUAL 20SOIC

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 15mA, 64mA
  • Voltage - Supply: 4.75 V ~ 5.25 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione7.952
2
4
-
Push-Pull
15mA, 64mA
4.75 V ~ 5.25 V
0°C ~ 70°C (TA)
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
hot SN74LVT244BNSR
Texas Instruments

IC BUFF/DVR 3-ST DUAL 20SO

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 32mA, 64mA
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SO
pacchetto: 20-SOIC (0.209", 5.30mm Width)
Azione35.268
2
4
-
Push-Pull
32mA, 64mA
2.7 V ~ 3.6 V
-40°C ~ 85°C (TA)
Surface Mount
20-SOIC (0.209", 5.30mm Width)
20-SO
hot SN74AC240DBR
Texas Instruments

IC INVERTER DUAL 4-INPUT 20SSOP

  • Logic Type: Buffer, Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 24mA, 24mA
  • Voltage - Supply: 2 V ~ 6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione4.688
2
4
-
Push-Pull
24mA, 24mA
2 V ~ 6 V
-40°C ~ 85°C (TA)
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
74HCT366D,652
Nexperia USA Inc.

IC HEX BUFFER/LINE DVR 16SOIC

  • Logic Type: Buffer, Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 6
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 6mA, 6mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 16-SO
pacchetto: 16-SOIC (0.154", 3.90mm Width)
Azione15.852
1
6
-
Push-Pull
6mA, 6mA
4.5 V ~ 5.5 V
-40°C ~ 125°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SO
hot SN74AUC1G240DCKR
Texas Instruments

IC INVERTER 1-INPUT SC70-5

  • Logic Type: Buffer, Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 1
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 9mA, 9mA
  • Voltage - Supply: 0.8 V ~ 2.7 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 5-TSSOP, SC-70-5, SOT-353
  • Supplier Device Package: SC-70-5
pacchetto: 5-TSSOP, SC-70-5, SOT-353
Azione238.104
1
1
-
Push-Pull
9mA, 9mA
0.8 V ~ 2.7 V
-40°C ~ 85°C (TA)
Surface Mount
5-TSSOP, SC-70-5, SOT-353
SC-70-5
hot SN74LVT244BPWR
Texas Instruments

IC BUFF/DVR TRI-ST DUAL 20TSSOP

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 32mA, 64mA
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 20-TSSOP
pacchetto: 20-TSSOP (0.173", 4.40mm Width)
Azione42.720
2
4
-
Push-Pull
32mA, 64mA
2.7 V ~ 3.6 V
-40°C ~ 85°C (TA)
Surface Mount
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
hot 74HC125D,652
Nexperia USA Inc.

IC BUFFER DVR TRI-ST QD 14SOIC

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 4
  • Number of Bits per Element: 1
  • Input Type: -
  • Output Type: Push-Pull
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Voltage - Supply: 2 V ~ 6 V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 14-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 14-SO
pacchetto: 14-SOIC (0.154", 3.90mm Width)
Azione36.120
4
1
-
Push-Pull
7.8mA, 7.8mA
2 V ~ 6 V
-40°C ~ 125°C (TA)
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SO
hot MM74HCT541N
ON Semiconductor

IC BUF NON-INVERT 5.5V 20DIP

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: 3-State
  • Current - Output High, Low: 7.2mA, 7.2mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione10.344
1
8
-
3-State
7.2mA, 7.2mA
4.5 V ~ 5.5 V
-40°C ~ 85°C (TA)
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
74F545PC
ON Semiconductor

IC TXRX NON-INVERT 5.5V 20DIP

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: 3-State
  • Current - Output High, Low: 3mA, 24mA; 15mA, 64mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione6.432
1
8
-
3-State
3mA, 24mA; 15mA, 64mA
4.5 V ~ 5.5 V
0°C ~ 70°C (TA)
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MM74HCT244WMX
ON Semiconductor

IC BUF NON-INVERT 5.5V 20SOIC

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 4
  • Input Type: -
  • Output Type: 3-State
  • Current - Output High, Low: 7.2mA, 7.2mA
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione2.000
2
4
-
3-State
7.2mA, 7.2mA
4.5 V ~ 5.5 V
-40°C ~ 85°C (TA)
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
5962-9225801MXA
Renesas Electronics Corporation

IC TXRX NON-INVERT 5.5V 48CERPK

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: 3-State
  • Current - Output High, Low: 64mA, 32mA
  • Voltage - Supply: 4.5V ~ 5.5V
  • Operating Temperature: -55°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-CFlatPack
  • Supplier Device Package: 48-CERPACK
pacchetto: -
Request a Quote
2
8
-
3-State
64mA, 32mA
4.5V ~ 5.5V
-55°C ~ 125°C (TA)
Surface Mount
48-CFlatPack
48-CERPACK
SN74LS647NT
Texas Instruments

BUS TRANSCEIVER, LS SERIES TTL

  • Logic Type: -
  • Number of Elements: -
  • Number of Bits per Element: -
  • Input Type: -
  • Output Type: -
  • Current - Output High, Low: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacchetto: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
SNJ54LS645J
Texas Instruments

OCTAL BUS TRANSCEIVERS 20-CDIP -

  • Logic Type: Transceiver, Non-Inverting
  • Number of Elements: 1
  • Number of Bits per Element: 8
  • Input Type: -
  • Output Type: 3-State
  • Current - Output High, Low: 12mA, 12mA
  • Voltage - Supply: 4.5V ~ 5.5V
  • Operating Temperature: -55°C ~ 125°C (TA)
  • Mounting Type: Through Hole
  • Package / Case: 20-CDIP (0.300", 7.62mm)
  • Supplier Device Package: 20-CDIP
pacchetto: -
Request a Quote
1
8
-
3-State
12mA, 12mA
4.5V ~ 5.5V
-55°C ~ 125°C (TA)
Through Hole
20-CDIP (0.300", 7.62mm)
20-CDIP
SN74LVC240DW
Texas Instruments

BUS DRIVER, LVC/LCX/Z SERIES

  • Logic Type: -
  • Number of Elements: -
  • Number of Bits per Element: -
  • Input Type: -
  • Output Type: -
  • Current - Output High, Low: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacchetto: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
SN74AS34N
Texas Instruments

BUFFER, AS SERIES, 6-FUNC, TTL

  • Logic Type: -
  • Number of Elements: -
  • Number of Bits per Element: -
  • Input Type: -
  • Output Type: -
  • Current - Output High, Low: -
  • Voltage - Supply: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
pacchetto: -
Request a Quote
-
-
-
-
-
-
-
-
-
-
IS31CG1110-QFLS2
Lumissil Microsystems

IC BUFFER NON-INVERT 13.2V 20QFN

  • Logic Type: Buffer, Non-Inverting
  • Number of Elements: 2
  • Number of Bits per Element: 2
  • Input Type: -
  • Output Type: Non-Inverted
  • Current - Output High, Low: -
  • Voltage - Supply: 10V ~ 13.2V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 20-VFQFN Exposed Pad
  • Supplier Device Package: 20-QFN (4x4)
pacchetto: -
Request a Quote
2
2
-
Non-Inverted
-
10V ~ 13.2V
-40°C ~ 85°C (TA)
Surface Mount
20-VFQFN Exposed Pad
20-QFN (4x4)