頁 4 - Maxim Integrated 產品 - PMIC - 能量測量 | 黑森爾電子
聯繫我們
SalesDept@heisener.com 86-755-83210559-841
Language Translation

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

Maxim Integrated 產品 - PMIC - 能量測量

記錄 184
頁  4/7
圖片
零件編號
製造商
描述
封裝
庫存
數量
Measurement Error
Voltage - I/O High
Voltage - I/O Low
Current - Supply
Voltage - Supply
Meter Type
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
MAX71315ECQ+
Maxim Integrated

IC SOC 256K FLASH 100LQFP

  • Input Impedance: -
  • Measurement Error: 0.1%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.6V
  • Current - Supply: 12.5mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 100-LQFP
  • Supplier Device Package: 100-LQFP (14x14)
封裝: 100-LQFP
庫存4,704
0.1%
2V
0.6V
12.5mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
100-LQFP
100-LQFP (14x14)
78M6610+PSD/B02
Maxim Integrated

ENERGY MEAS PROCESSOR - PSU/DC

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存7,280
-
-
-
-
-
-
-
-
-
-
78M6610+LMU/D01T
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存6,080
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
78M6610+PSU/C01T
Maxim Integrated

IC ENERGY MEASUREMENT 16TSSOP

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 0.6V, 2V
  • Voltage - I/O Low: 0.5V, 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 16-TSSOP
封裝: 16-TSSOP (0.173", 4.40mm Width)
庫存3,440
-
0.6V, 2V
0.5V, 0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
78M6610+PSU/C01
Maxim Integrated

IC ENERGY MEASUREMENT 16TSSOP

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 0.6V, 2V
  • Voltage - I/O Low: 0.5V, 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 16-TSSOP
封裝: 16-TSSOP (0.173", 4.40mm Width)
庫存6,768
-
0.6V, 2V
0.5V, 0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
78M6610+PSD/C02T
Maxim Integrated

ENERGY MEAS PROCESSOR - PSU/DC

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存7,664
-
-
-
-
-
-
-
-
-
-
78M6610+PSD/C02
Maxim Integrated

ENERGY MEAS PROCESSOR - PSU/DC

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存6,352
-
-
-
-
-
-
-
-
-
-
78M6610+PSD/B02T
Maxim Integrated

ENERGY MEAS PROCESSOR - PSU/DC

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存2,720
-
-
-
-
-
-
-
-
-
-
78M6610+LMU/D01
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存7,488
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
78M6610+LMU/BAPT
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存5,024
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
78M6610+LMU/BAP
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存7,104
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
MAX78630+PPM/D00
Maxim Integrated

IC ENERGY MEAS PROC LMU TQFN

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: 3 Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 32-WFQFN Exposed Pad
  • Supplier Device Package: 32-TQFN (5x5)
封裝: 32-WFQFN Exposed Pad
庫存7,920
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
3 Phase
-40°C ~ 85°C
Surface Mount
32-WFQFN Exposed Pad
32-TQFN (5x5)
MAX78615+PSU/A00T
Maxim Integrated

IC ENERGY MEAS PROC LMU TQFN

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存2,304
-
-
-
-
-
-
-
-
-
-
MAX78615+PSU/A00
Maxim Integrated

IC ENERGY MEAS PROC LMU TQFN

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封裝: -
庫存3,392
-
-
-
-
-
-
-
-
-
-
MAX78615+LMU/A01T
Maxim Integrated

IC ENERGY MEAS PROC LMU TQFN

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 5.6mA
  • Voltage - Supply: 3.15 V ~ 3.45 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存6,848
-
2V
0.8V
5.6mA
3.15 V ~ 3.45 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
MAX78615+LMU/A01
Maxim Integrated

IC ENERGY MEAS PROC LMU TQFN

  • Input Impedance: -
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 5.6mA
  • Voltage - Supply: 3.15 V ~ 3.45 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存6,752
-
2V
0.8V
5.6mA
3.15 V ~ 3.45 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
78M6631-IMR/F/P48
Maxim Integrated

IC ENERGY MEAS 3PHASE SOC 56TQFN

  • Input Impedance: 40 kOhm ~ 90 kOhm
  • Measurement Error: 0.5%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 9.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: 3 Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 56-WFQFN Exposed Pad
  • Supplier Device Package: 56-TQFN-EP (7x7)
封裝: 56-WFQFN Exposed Pad
庫存4,944
0.5%
2V
0.8V
9.1mA
3 V ~ 3.6 V
3 Phase
-40°C ~ 85°C
Surface Mount
56-WFQFN Exposed Pad
56-TQFN-EP (7x7)
78M6631-IM/F/P48
Maxim Integrated

IC ENERGY MEAS 3PHASE SOC 56TQFN

  • Input Impedance: 40 kOhm ~ 90 kOhm
  • Measurement Error: 0.5%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 9.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: 3 Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 56-WFQFN Exposed Pad
  • Supplier Device Package: 56-QFN (7x7)
封裝: 56-WFQFN Exposed Pad
庫存6,544
0.5%
2V
0.8V
9.1mA
3 V ~ 3.6 V
3 Phase
-40°C ~ 85°C
Surface Mount
56-WFQFN Exposed Pad
56-QFN (7x7)
78M6613-IMR/F/P48
Maxim Integrated

IC SENSOR ISOLATED 32QFN

  • Input Impedance: 40 kOhm ~ 90 kOhm
  • Measurement Error: 0.5%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 9.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 32-VFQFN Exposed Pad
  • Supplier Device Package: 32-SQFN (5x5)
封裝: 32-VFQFN Exposed Pad
庫存3,664
0.5%
2V
0.8V
9.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
32-VFQFN Exposed Pad
32-SQFN (5x5)
78M6610+PSU/C48T
Maxim Integrated

IC ENERGY MEASUREMENT 16TSSOP

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 0.6V, 2V
  • Voltage - I/O Low: 0.5V, 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 16-TSSOP
封裝: 16-TSSOP (0.173", 4.40mm Width)
庫存6,480
-
0.6V, 2V
0.5V, 0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
78M6610+PSU/B48T
Maxim Integrated

IC ENERGY MEASUREMENT 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 0.6V, 2V
  • Voltage - I/O Low: 0.5V, 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存2,112
-
0.6V, 2V
0.5V, 0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
71M6542FT-IGTR/F
Maxim Integrated

IC ENERGY METR SGL PHASE 100LQFP

  • Input Impedance: -
  • Measurement Error: 0.1%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: -
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 100-LQFP
  • Supplier Device Package: 100-LQFP (14x14)
封裝: 100-LQFP
庫存3,088
0.1%
2V
0.8V
-
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
100-LQFP
100-LQFP (14x14)
71M6542FT-IGT/F
Maxim Integrated

IC ENERGY METR SGL PHASE 100LQFP

  • Input Impedance: -
  • Measurement Error: 0.1%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: -
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 100-LQFP
  • Supplier Device Package: 100-LQFP (14x14)
封裝: 100-LQFP
庫存3,936
0.1%
2V
0.8V
-
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
100-LQFP
100-LQFP (14x14)
71M6523-IM/F
Maxim Integrated

IC ENERGY METER 32KB FLASH QFN

  • Input Impedance: -
  • Measurement Error: 0.5%
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: -
  • Voltage - Supply: -
  • Meter Type: 3 Phase
  • Operating Temperature: -
  • Mounting Type: Surface Mount
  • Package / Case: 68-VFQFN Exposed Pad
  • Supplier Device Package: 68-QFN (8x8)
封裝: 68-VFQFN Exposed Pad
庫存5,360
0.5%
2V
0.8V
-
-
3 Phase
-
Surface Mount
68-VFQFN Exposed Pad
68-QFN (8x8)
71M6203-ILR/F
Maxim Integrated

IC POWER METER 3-PHASE 8SOIC

  • Input Impedance: -
  • Measurement Error: 0.2%
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: 770µA
  • Voltage - Supply: 2.5 V ~ 3.6 V
  • Meter Type: 3 Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
封裝: 8-SOIC (0.154", 3.90mm Width)
庫存3,984
0.2%
-
-
770µA
2.5 V ~ 3.6 V
3 Phase
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
71M6201-ILR/F
Maxim Integrated

IC POWER METER 1-PHASE 8SOIC

  • Input Impedance: -
  • Measurement Error: 0.2%
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: 770µA
  • Voltage - Supply: 2.5 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
封裝: 8-SOIC (0.154", 3.90mm Width)
庫存2,352
0.2%
-
-
770µA
2.5 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
78M6610+PSU/C48
Maxim Integrated

IC ENERGY MEASUREMENT TSSOP

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 0.6V, 2V
  • Voltage - I/O Low: 0.5V, 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 16-TSSOP
封裝: 16-TSSOP (0.173", 4.40mm Width)
庫存7,520
-
0.6V, 2V
0.5V, 0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
78M6610+LMU/B01T
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存7,600
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)
hot MAXQ3180-RAN+T
Maxim Integrated

IC AFE POLYPHASE MULTI 28TSSOP

  • Input Impedance: -
  • Measurement Error: 0.1%
  • Voltage - I/O High: -
  • Voltage - I/O Low: -
  • Current - Supply: 8.5mA
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Meter Type: 3 Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-TSSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 28-TSSOP
封裝: 28-TSSOP (0.173", 4.40mm Width)
庫存3,984
0.1%
-
-
8.5mA
2.7 V ~ 3.6 V
3 Phase
-40°C ~ 85°C
Surface Mount
28-TSSOP (0.173", 4.40mm Width)
28-TSSOP
78M6610+LMU/B01
Maxim Integrated

IC ENERGY MM PROCESSOR 24TQFN

  • Input Impedance: 30 kOhm ~ 90 kOhm
  • Measurement Error: -
  • Voltage - I/O High: 2V
  • Voltage - I/O Low: 0.8V
  • Current - Supply: 8.1mA
  • Voltage - Supply: 3 V ~ 3.6 V
  • Meter Type: Single Phase
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 24-WFQFN Exposed Pad
  • Supplier Device Package: 24-TQFN (4x4)
封裝: 24-WFQFN Exposed Pad
庫存7,616
-
2V
0.8V
8.1mA
3 V ~ 3.6 V
Single Phase
-40°C ~ 85°C
Surface Mount
24-WFQFN Exposed Pad
24-TQFN (4x4)