|
|
數位匯流排開關IC Pb-F CMOS Bus Switches (Single Power Supply)
- TC7MBL3125CFT(QCEL
- Toshiba
-
1:
NT$28.68
-
1,966庫存量
-
新產品
|
Mouser 元件編號
757-TC7MBL3125CFTQC
新產品
|
Toshiba
|
數位匯流排開關IC Pb-F CMOS Bus Switches (Single Power Supply)
|
|
1,966庫存量
|
|
|
NT$28.68
|
|
|
NT$20.29
|
|
|
NT$13.84
|
|
|
NT$11.54
|
|
|
NT$8.60
|
|
|
檢視
|
|
|
NT$9.82
|
|
|
NT$8.35
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
|
|
|
|
|
|
|
|
|
Reel, Cut Tape
|
|
|
|
數位匯流排開關IC 2B Bus Switch
- PI5C3305LEX
- Diodes Incorporated
-
1:
NT$25.81
-
69,412庫存量
|
Mouser 元件編號
729-PI5C3305LEX
|
Diodes Incorporated
|
數位匯流排開關IC 2B Bus Switch
|
|
69,412庫存量
|
|
|
NT$25.81
|
|
|
NT$18.28
|
|
|
NT$16.42
|
|
|
NT$14.38
|
|
|
NT$12.37
|
|
|
檢視
|
|
|
NT$13.41
|
|
|
NT$12.80
|
|
|
NT$12.62
|
|
|
NT$11.44
|
|
最少： 1
倍數： 1
:
2,500
|
|
|
2 bit
|
8 Ohms
|
250 us
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-8
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 16 BFET Bus Switch 2 .5V/3.3V Lo Vltg
- SN74CB3Q16245DGVR
- Texas Instruments
-
1:
NT$138.74
-
1,825庫存量
|
Mouser 元件編號
595-SN74C3Q16245DGVR
|
Texas Instruments
|
數位匯流排開關IC 16 BFET Bus Switch 2 .5V/3.3V Lo Vltg
|
|
1,825庫存量
|
|
|
NT$138.74
|
|
|
NT$104.68
|
|
|
NT$96.44
|
|
|
NT$87.12
|
|
|
NT$75.64
|
|
|
檢視
|
|
|
NT$84.61
|
|
|
NT$84.25
|
|
|
NT$79.59
|
|
|
NT$74.21
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
16 bit
|
6 Ohms
|
300 us
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TVSOP-48
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 3.3V Lo-Voltage Quad FET Bus Switch
- SN74CB3T3125DGVR
- Texas Instruments
-
1:
NT$75.29
-
1,643庫存量
|
Mouser 元件編號
595-SN74CB3T3125DGVR
|
Texas Instruments
|
數位匯流排開關IC 3.3V Lo-Voltage Quad FET Bus Switch
|
|
1,643庫存量
|
|
|
NT$75.29
|
|
|
NT$55.57
|
|
|
NT$50.91
|
|
|
NT$45.53
|
|
|
NT$37.28
|
|
|
檢視
|
|
|
NT$42.66
|
|
|
NT$41.94
|
|
|
NT$36.57
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
4 bit
|
8 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TVSOP-14
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 24bit Lw V FET
- SN74CBTLV16212GR
- Texas Instruments
-
1:
NT$113.64
-
1,367庫存量
|
Mouser 元件編號
595-SN74CBTLV16212GR
|
Texas Instruments
|
數位匯流排開關IC 24bit Lw V FET
|
|
1,367庫存量
|
|
|
NT$113.64
|
|
|
NT$85.32
|
|
|
NT$78.15
|
|
|
NT$70.62
|
|
|
NT$60.59
|
|
|
檢視
|
|
|
NT$66.68
|
|
|
NT$63.10
|
|
|
NT$59.51
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
24 bit
|
27 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-56
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC Low Volt. Octal FET
- SN74CBTLV3245ADGVR
- Texas Instruments
-
1:
NT$38.00
-
4,329庫存量
|
Mouser 元件編號
595-SNCBTLV3245ADGVR
|
Texas Instruments
|
數位匯流排開關IC Low Volt. Octal FET
|
|
4,329庫存量
|
|
|
NT$38.00
|
|
|
NT$27.28
|
|
|
NT$24.63
|
|
|
NT$21.73
|
|
|
NT$18.21
|
|
|
檢視
|
|
|
NT$20.33
|
|
|
NT$19.50
|
|
|
NT$18.82
|
|
|
NT$17.67
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
8 bit
|
7 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TVSOP-20
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 16BFETBusSwitch2.5V /3.3VLoVltgHiBWBusSw A 595-SN74CB3Q16245DL
- SN74CB3Q16245DLR
- Texas Instruments
-
1:
NT$143.40
-
710庫存量
|
Mouser 元件編號
595-SN74CB3Q16245DLR
|
Texas Instruments
|
數位匯流排開關IC 16BFETBusSwitch2.5V /3.3VLoVltgHiBWBusSw A 595-SN74CB3Q16245DL
|
|
710庫存量
|
|
|
NT$143.40
|
|
|
NT$108.27
|
|
|
NT$99.30
|
|
|
NT$89.63
|
|
|
NT$79.23
|
|
|
檢視
|
|
|
NT$85.32
|
|
|
NT$84.61
|
|
|
NT$77.44
|
|
最少： 1
倍數： 1
:
1,000
|
|
|
16 bit
|
6 Ohms
|
300 us
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SSOP-48
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 20B FET Bus Switch
- SN74CB3T16210DGGR
- Texas Instruments
-
1:
NT$136.23
-
3,607庫存量
|
Mouser 元件編號
595-SN74CB3T16210DGG
|
Texas Instruments
|
數位匯流排開關IC 20B FET Bus Switch
|
|
3,607庫存量
|
|
|
NT$136.23
|
|
|
NT$102.89
|
|
|
NT$94.64
|
|
|
NT$85.32
|
|
|
NT$73.49
|
|
|
檢視
|
|
|
NT$82.81
|
|
|
NT$76.72
|
|
|
NT$72.42
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
10 bit
|
9.5 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-48
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 8BFETBusSw 2.5V/3.3V LoVltg Hi BW Bus Sw
- SN74CB3Q3244DBQR
- Texas Instruments
-
1:
NT$40.15
-
5,173庫存量
|
Mouser 元件編號
595-SN74CB3Q3244DBQR
|
Texas Instruments
|
數位匯流排開關IC 8BFETBusSw 2.5V/3.3V LoVltg Hi BW Bus Sw
|
|
5,173庫存量
|
|
|
NT$40.15
|
|
|
NT$28.93
|
|
|
NT$26.13
|
|
|
NT$23.09
|
|
|
檢視
|
|
|
NT$17.71
|
|
|
NT$21.62
|
|
|
NT$20.90
|
|
|
NT$20.86
|
|
|
NT$17.71
|
|
最少： 1
倍數： 1
:
2,500
|
|
|
8 bit
|
5 Ohms
|
200 us
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
QSOP-20
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC Lo-Vltg Hi-Bandwidth Bus Switch A 595-SN A 595-SN74CB3Q3345PW
- SN74CB3Q3345PWR
- Texas Instruments
-
1:
NT$38.72
-
4,647庫存量
|
Mouser 元件編號
595-SN74CB3Q3345PWR
|
Texas Instruments
|
數位匯流排開關IC Lo-Vltg Hi-Bandwidth Bus Switch A 595-SN A 595-SN74CB3Q3345PW
|
|
4,647庫存量
|
|
|
NT$38.72
|
|
|
NT$27.96
|
|
|
NT$25.27
|
|
|
NT$22.30
|
|
|
NT$18.71
|
|
|
檢視
|
|
|
NT$20.90
|
|
|
NT$20.15
|
|
|
NT$18.18
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
8 bit
|
9 Ohms
|
200 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-20
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 3.3V Lo-Voltage Quad FET Bus Switch
- SN74CB3T3125RGYR
- Texas Instruments
-
1:
NT$85.68
-
2,963庫存量
|
Mouser 元件編號
595-SN74CB3T3125RGYR
|
Texas Instruments
|
數位匯流排開關IC 3.3V Lo-Voltage Quad FET Bus Switch
|
|
2,963庫存量
|
|
|
NT$85.68
|
|
|
NT$63.81
|
|
|
NT$58.08
|
|
|
NT$51.62
|
|
|
NT$44.45
|
|
|
檢視
|
|
|
NT$49.11
|
|
|
NT$48.76
|
|
|
NT$46.96
|
|
|
NT$43.38
|
|
最少： 1
倍數： 1
:
3,000
|
|
|
4 bit
|
8 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
VQFN-14
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 24Bit FET Bus Switch W/Level Shifting A A 595-SN74CBTD16211DL
- SN74CBTD16211DLR
- Texas Instruments
-
1:
NT$91.06
-
1,728庫存量
|
Mouser 元件編號
595-SN74CBTD16211DLR
|
Texas Instruments
|
數位匯流排開關IC 24Bit FET Bus Switch W/Level Shifting A A 595-SN74CBTD16211DL
|
|
1,728庫存量
|
|
|
NT$91.06
|
|
|
NT$89.98
|
|
|
NT$85.32
|
|
|
NT$78.15
|
|
|
NT$58.08
|
|
|
檢視
|
|
|
NT$76.00
|
|
|
NT$68.47
|
|
|
NT$55.93
|
|
|
NT$54.85
|
|
最少： 1
倍數： 1
:
1,000
|
|
|
24 bit
|
7 Ohms
|
250 ps
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SSOP-56
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC SINGLE BUFFER GATE
- SN74CBTLV3126RGYR
- Texas Instruments
-
1:
NT$25.10
-
28,879庫存量
|
Mouser 元件編號
595-SN74CBTLV3126RGY
|
Texas Instruments
|
數位匯流排開關IC SINGLE BUFFER GATE
|
|
28,879庫存量
|
|
|
NT$25.10
|
|
|
NT$17.78
|
|
|
NT$15.99
|
|
|
NT$13.98
|
|
|
NT$11.36
|
|
|
檢視
|
|
|
NT$13.01
|
|
|
NT$12.44
|
|
|
NT$12.26
|
|
|
NT$10.61
|
|
最少： 1
倍數： 1
:
3,000
|
|
|
4 bit
|
7 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
VQFN-14
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC DUAL BUFFER GATE
- SN74TVC16222ADGGR
- Texas Instruments
-
1:
NT$141.25
-
2,261庫存量
|
Mouser 元件編號
595-SN74TVC16222ADGG
|
Texas Instruments
|
數位匯流排開關IC DUAL BUFFER GATE
|
|
2,261庫存量
|
|
|
NT$141.25
|
|
|
NT$106.83
|
|
|
NT$98.23
|
|
|
NT$88.55
|
|
|
檢視
|
|
|
NT$78.87
|
|
|
NT$86.76
|
|
|
NT$84.25
|
|
|
NT$81.02
|
|
|
NT$78.87
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
22 bit
|
12.5 Ohms
|
4 ns
|
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-48
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 32bit FET
- SN74CBT34X245DBBR
- Texas Instruments
-
1:
NT$182.48
-
861庫存量
|
Mouser 元件編號
595-74CBT34X245DBBR
|
Texas Instruments
|
數位匯流排開關IC 32bit FET
|
|
861庫存量
|
|
|
NT$182.48
|
|
|
NT$180.68
|
|
|
NT$158.82
|
|
|
NT$155.23
|
|
|
檢視
|
|
|
NT$108.27
|
|
|
NT$131.21
|
|
|
NT$108.27
|
|
|
報價
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
32 bit
|
7 Ohms
|
250 ps
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-80
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC Fixed LDO Volt Reg
- SN74CB3Q16210DGGR
- Texas Instruments
-
1:
NT$95.72
-
1,165庫存量
|
Mouser 元件編號
595-SN74CB3Q16210DGG
|
Texas Instruments
|
數位匯流排開關IC Fixed LDO Volt Reg
|
|
1,165庫存量
|
|
|
NT$95.72
|
|
|
NT$71.70
|
|
|
NT$65.61
|
|
|
NT$58.79
|
|
|
檢視
|
|
|
NT$47.68
|
|
|
NT$55.93
|
|
|
NT$52.34
|
|
|
NT$47.68
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
10 bit
|
9 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-48
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 24bit Lw V FET
- SN74CBTLV16211VR
- Texas Instruments
-
1:
NT$89.98
-
1,567庫存量
|
Mouser 元件編號
595-SN74CBTLV16211VR
|
Texas Instruments
|
數位匯流排開關IC 24bit Lw V FET
|
|
1,567庫存量
|
|
|
NT$89.98
|
|
|
NT$86.76
|
|
|
NT$85.68
|
|
|
NT$72.78
|
|
|
NT$50.55
|
|
|
檢視
|
|
|
NT$69.19
|
|
|
NT$62.02
|
|
|
NT$53.06
|
|
|
NT$49.47
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
24 bit
|
4 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TVSOP-56
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC SINGLE ANALOG SWITCH
- SN74CBTLV3125RGYR
- Texas Instruments
-
1:
NT$21.87
-
7,070庫存量
|
Mouser 元件編號
595-SN74CBTLV3125RGY
|
Texas Instruments
|
數位匯流排開關IC SINGLE ANALOG SWITCH
|
|
7,070庫存量
|
|
|
NT$21.87
|
|
|
NT$15.49
|
|
|
NT$13.87
|
|
|
NT$12.08
|
|
|
NT$8.57
|
|
|
檢視
|
|
|
NT$11.22
|
|
|
NT$10.72
|
|
|
NT$10.54
|
|
|
NT$8.35
|
|
最少： 1
倍數： 1
:
3,000
|
|
|
4 bit
|
7 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
VQFN-14
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC Sgle FET w/Lvl Shift A 595-SN74CBTD1G125 A 595-SN74CBTD1G125DBV
- SN74CBTD1G125DBVR
- Texas Instruments
-
1:
NT$44.81
-
6,081庫存量
|
Mouser 元件編號
595-SNCBTD1G125DBVR
|
Texas Instruments
|
數位匯流排開關IC Sgle FET w/Lvl Shift A 595-SN74CBTD1G125 A 595-SN74CBTD1G125DBV
|
|
6,081庫存量
|
|
|
NT$44.81
|
|
|
NT$27.43
|
|
|
NT$23.02
|
|
|
NT$17.46
|
|
|
NT$10.18
|
|
|
檢視
|
|
|
NT$15.13
|
|
|
NT$13.26
|
|
|
NT$11.90
|
|
|
NT$9.07
|
|
最少： 1
倍數： 1
:
3,000
|
|
|
1 bit
|
35 Ohms
|
250 ps
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOT-23-5
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC ABT 16-Bit Edge-Trig D-Type F-F
- SN74CBT16244CDGGR
- Texas Instruments
-
1:
NT$108.27
-
2,000庫存量
|
Mouser 元件編號
595-SN74CBT16244CDGG
|
Texas Instruments
|
數位匯流排開關IC ABT 16-Bit Edge-Trig D-Type F-F
|
|
2,000庫存量
|
|
|
NT$108.27
|
|
|
NT$70.62
|
|
|
NT$63.81
|
|
|
NT$53.78
|
|
|
NT$34.81
|
|
|
檢視
|
|
|
NT$50.55
|
|
|
NT$44.45
|
|
|
NT$38.00
|
|
|
NT$34.02
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
16 bit
|
12 Ohms
|
150 ps
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-48
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC Quadruple FET Bus Sw itch A 595-SN74CBT3 A 595-SN74CBT3125CD
- SN74CBT3125CDR
- Texas Instruments
-
1:
NT$23.30
-
6,371庫存量
|
Mouser 元件編號
595-SN74CBT3125CDR
|
Texas Instruments
|
數位匯流排開關IC Quadruple FET Bus Sw itch A 595-SN74CBT3 A 595-SN74CBT3125CD
|
|
6,371庫存量
|
|
|
NT$23.30
|
|
|
NT$16.46
|
|
|
NT$14.73
|
|
|
NT$12.87
|
|
|
NT$10.65
|
|
|
檢視
|
|
|
NT$11.97
|
|
|
NT$11.44
|
|
|
NT$11.36
|
|
|
NT$10.18
|
|
最少： 1
倍數： 1
:
2,500
|
|
|
4 bit
|
12 Ohms
|
150 ps
|
5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-14
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 20bit Lw V FET
- SN74CBTLV16210GR
- Texas Instruments
-
1:
NT$102.17
-
1,998庫存量
|
Mouser 元件編號
595-SN74CBTLV16210GR
|
Texas Instruments
|
數位匯流排開關IC 20bit Lw V FET
|
|
1,998庫存量
|
|
|
NT$102.17
|
|
|
NT$76.72
|
|
|
NT$70.27
|
|
|
NT$63.10
|
|
|
NT$52.34
|
|
|
檢視
|
|
|
NT$60.23
|
|
|
NT$56.28
|
|
|
NT$51.98
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
10 bit
|
7 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TSSOP-48
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 10-Bit FET Bus Switc h
- SN74CB3T3384DBQR
- Texas Instruments
-
1:
NT$96.80
-
5,321庫存量
|
Mouser 元件編號
595-SN74CB3T3384DBQR
|
Texas Instruments
|
數位匯流排開關IC 10-Bit FET Bus Switc h
|
|
5,321庫存量
|
|
|
NT$96.80
|
|
|
NT$62.38
|
|
|
NT$55.93
|
|
|
NT$46.25
|
|
|
NT$29.90
|
|
|
檢視
|
|
|
NT$43.38
|
|
|
NT$38.00
|
|
|
NT$32.91
|
|
|
NT$29.22
|
|
最少： 1
倍數： 1
:
2,500
|
|
|
10 bit
|
8 Ohms
|
150 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
QSOP-24
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 4-BIT Bus Switch 1.8V/2.5V/3.3V
- PI3CH400ZBEX
- Diodes Incorporated
-
1:
NT$65.96
-
4,300庫存量
|
Mouser 元件編號
729-PI3CH400ZBEX
|
Diodes Incorporated
|
數位匯流排開關IC 4-BIT Bus Switch 1.8V/2.5V/3.3V
|
|
4,300庫存量
|
|
|
NT$65.96
|
|
|
NT$40.51
|
|
|
NT$33.77
|
|
|
NT$25.60
|
|
|
檢視
|
|
|
NT$13.19
|
|
|
NT$22.16
|
|
|
NT$19.43
|
|
|
NT$17.46
|
|
|
NT$14.99
|
|
|
NT$13.19
|
|
最少： 1
倍數： 1
:
5,000
|
|
|
|
|
|
|
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
數位匯流排開關IC 20B FET Bus Switch
- SN74CB3T16210DGVR
- Texas Instruments
-
1:
NT$136.23
-
2,158庫存量
|
Mouser 元件編號
595-SN74CB3T16210DGV
|
Texas Instruments
|
數位匯流排開關IC 20B FET Bus Switch
|
|
2,158庫存量
|
|
|
NT$136.23
|
|
|
NT$102.89
|
|
|
NT$94.64
|
|
|
NT$85.32
|
|
|
NT$73.49
|
|
|
檢視
|
|
|
NT$82.81
|
|
|
NT$76.72
|
|
|
NT$72.42
|
|
最少： 1
倍數： 1
:
2,000
|
|
|
10 bit
|
9.5 Ohms
|
250 ps
|
2.3 V to 3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
TVSOP-48
|
|
Reel, Cut Tape, MouseReel
|
|
臺灣
