BR24G08NUX-3TTR
Rohm Semiconductor
IC EEPROM 8KBIT I2C VSON008X2030
Na skladě241100 pcs
8Kbit
400 kHz
-
EEPROM
5ms
I²C
-
-
-
-
BR24G08
1K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-UFDFN Exposed Pad
VSON008X2030
1.6V ~ 5.5V
Non-Volatile
RFQ
BR24G512FVT-3AGE2
Rohm Semiconductor
IC EEPROM 512KBIT I2C 8TSSOPB
Na skladě48970 pcs
512Kbit
1 MHz
-
EEPROM
5ms
I²C
-
-
-
-
BR24G512
64K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP-B
1.7V ~ 5.5V
Non-Volatile
RFQ
AT28C010-12JI
Microchip Technology
IC EEPROM 1MBIT PARALLEL 32PLCC
Na skladě17510 pcs
1Mbit
-
120 ns
EEPROM
10ms
Parallel
-
-
-
-
AT28C010
128K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TC)
Surface Mount
32-LCC (J-Lead)
32-PLCC (13.97x11.43)
4.5V ~ 5.5V
Non-Volatile
RFQ
PC28F256M29EWHD
Micron Technology Inc.
IC FLASH 256MBIT PARALLEL 64FBGA
Na skladě11340 pcs
256Mbit
-
100 ns
FLASH
100ns
Parallel
-
-
-
-
PC28F256
32M x 8, 16M x 16
Tray
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-FBGA (11x13)
2.7V ~ 3.6V
Non-Volatile
RFQ
S25FL512SAGBHI210
Infineon Technologies
IC FLASH 512MBIT SPI/QUAD 24BGA
Na skladě3409 pcs
512Mbit
133 MHz
-
FLASH
-
SPI - Quad I/O
-
-
-
-
S25FL512
64M x 8
Tray
FLASH - NOR
-
FL-S
-40°C ~ 85°C (TA)
Surface Mount
24-TBGA
24-BGA (8x6)
2.7V ~ 3.6V
Non-Volatile
RFQ
S29GL512T11DHV013
Infineon Technologies
IC FLASH 512MBIT PARALLEL 64FBGA
Na skladě4860 pcs
512Mbit
-
110 ns
FLASH
60ns
Parallel
-
-
-
-
S29GL512
64M x 8
Tape & Reel (TR)
FLASH - NOR
-
GL-T
-40°C ~ 105°C (TA)
Surface Mount
64-LBGA
64-FBGA (9x9)
2.7V ~ 3.6V
Non-Volatile
RFQ
M27C2001-12F1
STMicroelectronics
IC EPROM 2MBIT PARALLEL 32CDIP
Na skladě9770 pcs
2Mbit
-
120 ns
EPROM
-
Parallel
-
-
-
-
M27C2001
256K x 8
Tube
EPROM - UV
-
-
0°C ~ 70°C (TA)
Through Hole
32-CDIP (0.600", 15.24mm) Window
32-CDIP Frit Seal with Window
4.5V ~ 5.5V
Non-Volatile
RFQ
IS41C16105C-50KLI-TR
ISSI, Integrated Silicon Solution Inc
IC DRAM 16MBIT PARALLEL 42SOJ
Na skladě14750 pcs
16Mbit
-
25 ns
DRAM
-
Parallel
-
-
-
-
IS41C16105
1M x 16
Tape & Reel (TR)
DRAM - FP
-
-
-40°C ~ 85°C (TA)
Surface Mount
42-BSOJ (0.400", 10.16mm Width)
42-SOJ
4.5V ~ 5.5V
Volatile
RFQ
CY7C1041CV33-12ZCT
Cypress Semiconductor Corp
IC SRAM 4MBIT PARALLEL 44TSOP II
Na skladě4068 pcs
4Mbit
-
12 ns
SRAM
12ns
Parallel
-
-
-
-
CY7C1041
256K x 16
Bulk
SRAM - Asynchronous
-
-
0°C ~ 70°C (TA)
Surface Mount
44-TSOP (0.400", 10.16mm Width)
44-TSOP II
3V ~ 3.6V
Volatile
RFQ
MT29F256G08CMCABH2-12:A
Micron Technology Inc.
IC FLASH 256GBIT PAR 100TBGA
Na skladě5980 pcs
256Gbit
83 MHz
-
FLASH
-
Parallel
-
-
-
-
MT29F256G08
32G x 8
Tray
FLASH - NAND (MLC)
-
-
0°C ~ 70°C (TA)
Surface Mount
100-TBGA
100-TBGA (12x18)
2.7V ~ 3.6V
Non-Volatile
RFQ
M25P16-VMF6PBA
Micron Technology Inc.
IC FLASH 16MBIT SPI 75MHZ 16SOP2
Na skladě4930 pcs
16Mbit
75 MHz
-
FLASH
15ms, 5ms
SPI
-
-
-
-
M25P16
2M x 8
Tube
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.295", 7.50mm Width)
16-SOP2
2.7V ~ 3.6V
Non-Volatile
RFQ
CY7C144E-55AXC
Cypress Semiconductor Corp
IC SRAM 64KBIT PARALLEL 64TQFP
Na skladě1516 pcs
64Kbit
-
55 ns
SRAM
55ns
Parallel
-
-
-
-
CY7C144
8K x 8
Bulk
SRAM - Dual Port, Asynchronous
-
-
0°C ~ 70°C (TA)
Surface Mount
64-LQFP
64-TQFP (14x14)
4.5V ~ 5.5V
Volatile
RFQ
MX25L12845EZNI-10G
Macronix
IC FLASH 128MBIT SPI 8WSON
Na skladě8755 pcs
128Mbit
104 MHz
-
FLASH
300µs, 5ms
SPI
-
-
-
-
MX25L12845
16M x 8
Tray
FLASH - NOR
-
MX25xxx45 - MXSMIO™
-40°C ~ 85°C (TA)
Surface Mount
8-WDFN Exposed Pad
8-WSON (8x6)
2.7V ~ 3.6V
Non-Volatile
RFQ
IDT71V124SA15PHI
Renesas Electronics America Inc
IC SRAM 1MBIT PARALLEL 32TSOP II
Na skladě10440 pcs
1Mbit
-
15 ns
SRAM
15ns
Parallel
-
-
-
-
IDT71V124
128K x 8
Tube
SRAM - Asynchronous
-
-
-40°C ~ 85°C (TA)
Surface Mount
32-SOIC (0.400", 10.16mm Width)
32-TSOP II
3V ~ 3.6V
Volatile
RFQ
S29GL256P90FFIR20
Infineon Technologies
IC FLASH 256MBIT PARALLEL 64FBGA
Na skladě5292 pcs
256Mbit
-
90 ns
FLASH
90ns
Parallel
-
-
-
-
S29GL256
32M x 8
Tray
FLASH - NOR
-
GL-P
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-FBGA (13x11)
3V ~ 3.6V
Non-Volatile
RFQ
W25Q64FVSTIM
Winbond Electronics
IC FLASH 64MBIT SPI/QUAD 8VSOP
Na skladě8430 pcs
64Mbit
104 MHz
-
FLASH
50µs, 3ms
SPI - Quad I/O, QPI
-
-
-
-
W25Q64
8M x 8
Tube
FLASH - NOR
-
SpiFlash®
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209', 5.30mm Width)
8-VSOP
2.7V ~ 3.6V
Non-Volatile
RFQ
CAT93C56V-1.8
Catalyst Semiconductor Inc.
IC EEPROM 2KBIT MICROWIRE 8SOIC
Na skladě384400 pcs
2Kbit
2 MHz
-
EEPROM
-
Microwire
-
-
-
-
CAT93C56
256 x 8, 128 x 16
Bulk
EEPROM
-
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
1.8V ~ 5.5V
Non-Volatile
RFQ
MT29F1G08ABAEAWP-AITX:E
Micron Technology Inc.
IC FLASH 1GBIT PARALLEL 48TSOP I
Na skladě15546 pcs
1Gbit
-
-
FLASH
-
Parallel
-
-
-
-
MT29F1G08
128M x 8
Tray
FLASH - NAND
-
-
-40°C ~ 85°C (TA)
Surface Mount
48-TFSOP (0.724", 18.40mm Width)
48-TSOP I
2.7V ~ 3.6V
Non-Volatile
RFQ
AT25320B-MAHL-T
Microchip Technology
IC EEPROM 32KBIT SPI 20MHZ 8UDFN
Na skladě67520 pcs
32Kbit
20 MHz
-
EEPROM
5ms
SPI
-
-
-
-
AT25320
4K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-UFDFN Exposed Pad
8-UDFN (2x3)
1.8V ~ 5.5V
Non-Volatile
RFQ
AT45DB041B-RI
Microchip Technology
IC FLASH 4MBIT SPI 20MHZ 28SOIC
Na skladě6820 pcs
4Mbit
20 MHz
-
FLASH
14ms
SPI
-
-
-
-
AT45DB041
264 Bytes x 2048 pages
Tube
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
28-SOIC (0.342', 8.69mm Width)
28-SOIC
2.7V ~ 3.6V
Non-Volatile
RFQ
IS42S32200C1-7BL
ISSI, Integrated Silicon Solution Inc
IC DRAM 64MBIT PAR 90BGA
Na skladě7640 pcs
64Mbit
143 MHz
5.5 ns
DRAM
-
Parallel
-
-
-
-
IS42S32200
2M x 32
Tray
SDRAM
-
-
0°C ~ 70°C (TA)
Surface Mount
90-LFBGA
90-BGA (13x8)
3.15V ~ 3.45V
Volatile
RFQ
AT29C040A-12JC
Microchip Technology
IC FLASH 4MBIT PARALLEL 32PLCC
Na skladě15800 pcs
4Mbit
-
120 ns
FLASH
10ms
Parallel
-
-
-
-
AT29C040
512K x 8
Tube
FLASH
-
-
0°C ~ 70°C (TC)
Surface Mount
32-LCC (J-Lead)
32-PLCC (13.97x11.43)
4.5V ~ 5.5V
Non-Volatile
RFQ
24AA32AFT-I/OT
Microchip Technology
IC EEPROM 32KBIT I2C SOT23-5
Na skladě67680 pcs
32Kbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
24AA32
4K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
SC-74A, SOT-753
SOT-23-5
1.7V ~ 5.5V
Non-Volatile
RFQ
AT49F040-12JC
Microchip Technology
IC FLASH 4MBIT PARALLEL 32PLCC
Na skladě13000 pcs
4Mbit
-
120 ns
FLASH
50µs
Parallel
-
-
-
-
AT49F040
512K x 8
Tube
FLASH
-
-
0°C ~ 70°C (TC)
Surface Mount
32-LCC (J-Lead)
32-PLCC (13.97x11.43)
4.5V ~ 5.5V
Non-Volatile
RFQ
AT93C66A-10TI-2.7
Microchip Technology
IC EEPROM 4KBIT 3-WIRE 8TSSOP
Na skladě17860 pcs
4Kbit
2 MHz
-
EEPROM
10ms
3-Wire Serial
-
-
-
-
93C66A
512 x 8, 256 x 16
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP
2.7V ~ 5.5V
Non-Volatile
RFQ
24LC01BT-I/SN
Microchip Technology
IC EEPROM 1KBIT I2C 400KHZ 8SOIC
Na skladě139860 pcs
1Kbit
400 kHz
3.5 µs
EEPROM
5ms
I²C
-
-
-
-
24LC01B
128 x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
2.5V ~ 5.5V
Non-Volatile
RFQ
AT49BV040A-70TU
Microchip Technology
IC FLASH 4MBIT PARALLEL 32TSOP
Na skladě9990 pcs
4Mbit
-
70 ns
FLASH
50µs
Parallel
-
-
-
-
AT49BV040
512K x 8
Tray
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
32-TFSOP (0.724', 18.40mm Width)
32-TSOP
2.7V ~ 3.6V
Non-Volatile
RFQ
AT29C020-12TC
Microchip Technology
IC FLASH 2MBIT PARALLEL 32TSOP
Na skladě7800 pcs
2Mbit
-
120 ns
FLASH
10ms
Parallel
-
-
-
-
AT29C020
256K x 8
Tray
FLASH
-
-
0°C ~ 70°C (TC)
Surface Mount
32-TFSOP (0.724', 18.40mm Width)
32-TSOP
4.5V ~ 5.5V
Non-Volatile
RFQ
11AA160-I/SN
Microchip Technology
IC EEPROM 16KBIT SGL WIRE 8SOIC
Na skladě84590 pcs
16Kbit
100 kHz
-
EEPROM
5ms
Single Wire
-
-
-
-
11AA160
2K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
1.8V ~ 5.5V
Non-Volatile
RFQ
AT25SL128A-UUE-T
Adesto Technologies
IC FLASH 128MBIT SPI 21WLCSP
Na skladě24515 pcs
128Mbit
104 MHz
-
FLASH
150µs, 5ms
SPI
-
-
-
-
AT25SL128
16M x 8
Tape & Reel (TR)
FLASH
-
-
-40°C ~ 85°C (TA)
Surface Mount
21-UFBGA, WLCSP
21-WLCSP (3.02x3.29)
1.7V ~ 2V
Non-Volatile
RFQ
SST39VF1601-70-4I-EKE
Microchip Technology
IC FLASH 16MBIT PARALLEL 48TSOP
Na skladě10778 pcs
16Mbit
-
70 ns
FLASH
10µs
Parallel
-
-
-
-
SST39VF1601
1M x 16
Tray
FLASH
-
SST39 MPF™
-40°C ~ 85°C (TA)
Surface Mount
48-TFSOP (0.724', 18.40mm Width)
48-TSOP
2.7V ~ 3.6V
Non-Volatile
RFQ
AT24CS04-SSHM-B
Microchip Technology
IC EEPROM 4KBIT I2C 1MHZ 8SOIC
Na skladě94820 pcs
4Kbit
1 MHz
550 ns
EEPROM
5ms
I²C
-
-
-
-
AT24CS04
512 x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
1.7V ~ 5.5V
Non-Volatile
RFQ
MT40A2G8SA-062E:F
Micron Technology Inc.
IC DRAM 16GBIT PAR 78FBGA
Na skladě3609 pcs
16Gbit
1.5 GHz
19 ns
DRAM
15ns
Parallel
-
-
-
-
MT40A2G8
2G x 8
Bulk
SDRAM - DDR4
-
-
0°C ~ 95°C (TC)
Surface Mount
78-TFBGA
78-FBGA (7.5x11)
1.14V ~ 1.26V
Volatile
RFQ
MT40A1G8SA-062E IT:E
Micron Technology Inc.
IC DRAM 8GBIT PARALLEL 78FBGA
Na skladě7048 pcs
8Gbit
1.6 GHz
-
DRAM
-
Parallel
-
-
-
-
MT40A1G8
1G x 8
Tray
SDRAM - DDR4
-
-
-40°C ~ 95°C (TC)
Surface Mount
78-TFBGA
78-FBGA (7.5x11)
1.14V ~ 1.26V
Volatile
RFQ
CY62256NLL-70SNI
Cypress Semiconductor Corp
IC SRAM 256KBIT PARALLEL 28SOIC
Na skladě4020 pcs
256Kbit
-
70 ns
SRAM
70ns
Parallel
-
-
-
-
CY62256
32K x 8
Bulk
SRAM - Asynchronous
-
MoBL®
-40°C ~ 85°C (TA)
Surface Mount
28-SOIC (0.295", 7.50mm Width)
28-SOIC
4.5V ~ 5.5V
Volatile
RFQ
71V424S12PHGI
Renesas Electronics America Inc
IC SRAM 4MBIT PARALLEL 44TSOP II
Na skladě5275 pcs
4Mbit
-
12 ns
SRAM
12ns
Parallel
-
-
-
-
71V424
512K x 8
Tube
SRAM - Asynchronous
-
-
-40°C ~ 85°C (TA)
Surface Mount
44-TSOP (0.400', 10.16mm Width)
44-TSOP II
3V ~ 3.6V
Volatile
RFQ
S29GL256P11FFIV10
Infineon Technologies
IC FLASH 256MBIT PARALLEL 64FBGA
Na skladě3056 pcs
256Mbit
-
110 ns
FLASH
110ns
Parallel
-
-
-
-
S29GL256
32M x 8
Tray
FLASH - NOR
-
GL-P
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-FBGA (13x11)
1.65V ~ 3.6V
Non-Volatile
RFQ
24C65/SM
Microchip Technology
IC EEPROM 64KBIT I2C 8SOIJ
Na skladě17739 pcs
64Kbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
24C65
8K x 8
Tube
EEPROM
-
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.209", 5.30mm Width)
8-SOIJ
4.5V ~ 6V
Non-Volatile
RFQ
W25Q32JVSSIQ
Winbond Electronics
IC FLASH 32MBIT SPI/QUAD 8SOIC
Na skladě95270 pcs
32Mbit
133 MHz
-
FLASH
3ms
SPI - Quad I/O
-
-
-
-
W25Q32
4M x 8
Tube
FLASH - NOR
-
SpiFlash®
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209", 5.30mm Width)
8-SOIC
2.7V ~ 3.6V
Non-Volatile
RFQ
M27C801-80F1
STMicroelectronics
IC EPROM 8MBIT PARALLEL 32CDIP
Na skladě4530 pcs
8Mbit
-
80 ns
EPROM
-
Parallel
-
-
-
-
M27C801
1M x 8
Tube
EPROM - UV
-
-
0°C ~ 70°C (TA)
Through Hole
32-CDIP (0.600", 15.24mm) Window
32-CDIP Frit Seal with Window
4.5V ~ 5.5V
Non-Volatile
RFQ
MT29F1G08ABBDAHC:D
Micron Technology Inc.
IC FLASH 1GBIT PARALLEL 63VFBGA
Na skladě12530 pcs
1Gbit
-
-
FLASH
-
Parallel
-
-
-
-
MT29F1G08
128M x 8
Bulk
FLASH - NAND
-
-
0°C ~ 70°C (TA)
Surface Mount
63-VFBGA
63-VFBGA (10.5x13)
1.7V ~ 1.95V
Non-Volatile
RFQ
MT29F128G08CBCCBH6-6R:C
Micron Technology Inc.
IC FLASH 128GBIT PAR 152VBGA
Na skladě11720 pcs
128Gbit
166 MHz
-
FLASH
-
Parallel
-
-
-
-
MT29F128G08
16G x 8
Tray
FLASH - NAND
-
-
0°C ~ 70°C (TA)
Surface Mount
152-VBGA
152-VBGA (14x18)
2.7V ~ 3.6V
Non-Volatile
RFQ
71V632S7PFG
Renesas Electronics America Inc
IC SRAM 2MBIT PARALLEL 100TQFP
Na skladě14470 pcs
2Mbit
66 MHz
7 ns
SRAM
-
Parallel
-
-
-
-
71V632
64K x 32
Tray
SRAM - Synchronous, SDR
-
-
0°C ~ 70°C (TA)
Surface Mount
100-LQFP
100-TQFP (14x14)
3.135V ~ 3.63V
Volatile
RFQ
MT29F2G16ABBEAHC-IT:E
Micron Technology
IC FLASH 2G PARALLEL 63VFBGA
Na skladě8759 pcs
2Gb (128M x 16)
-
-
FLASH
-
Parallel
Bulk
MT29F2G16
Lead free / RoHS Compliant
3 (168 Hours)
-
-
-
FLASH - NAND
FLASH - NAND Memory IC 2Gb (128M x 16) Parallel 63-VFBGA (10.5x13)
-
-40°C ~ 85°C (TA)
Surface Mount
63-VFBGA
63-VFBGA (10.5x13)
1.7 V ~ 1.95 V
Non-Volatile
RFQ
MT41K512M16HA-125 IT:A
Alliance Memory, Inc.
IC DRAM 8GBIT PARALLEL 96FBGA
Na skladě3770 pcs
8Gbit
800 MHz
13.75 ns
DRAM
15ns
Parallel
-
-
-
-
MT41K512M16
512M x 16
Tray
SDRAM - DDR3L
-
TwinDie™
-40°C ~ 95°C (TC)
Surface Mount
96-TFBGA
96-FBGA (9x14)
1.283V ~ 1.45V
Volatile
RFQ
IS42S32200L-6TLI-TR
ISSI, Integrated Silicon Solution Inc
IC DRAM 64MBIT PAR 86TSOP II
Na skladě10064 pcs
64Mbit
166 MHz
5.4 ns
DRAM
-
Parallel
-
-
-
-
IS42S32200
2M x 32
Tape & Reel (TR)
SDRAM
-
-
-40°C ~ 85°C (TA)
Surface Mount
86-TFSOP (0.400', 10.16mm Width)
86-TSOP II
3V ~ 3.6V
Volatile
RFQ
MT25QL128ABA8E12-1SIT
Micron Technology Inc.
IC FLASH 128MBIT SPI 24TPBGA
Na skladě10860 pcs
128Mbit
133 MHz
-
FLASH
8ms, 2.8ms
SPI
-
-
-
-
MT25QL128
16M x 8
Tray
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
24-TBGA
24-T-PBGA (6x8)
2.7V ~ 3.6V
Non-Volatile
RFQ
MX30UF4G28AB-XKI
Macronix
IC FLASH 4GBIT PARALLEL 63VFBGA
Na skladě5690 pcs
4Gbit
-
25 ns
FLASH
25ns
Parallel
-
-
-
-
MX30UF4
512M x 8
Tray
FLASH - NAND (SLC)
-
MX30UF
-40°C ~ 85°C (TA)
Surface Mount
63-VFBGA
63-VFBGA (9x11)
1.7V ~ 1.95V
Non-Volatile
RFQ
S29AL008J70TFN010
Infineon Technologies
IC FLASH 8MBIT PARALLEL 48TSOP
Na skladě20611 pcs
8Mbit
-
70 ns
FLASH
70ns
Parallel
-
-
-
-
S29AL008
1M x 8, 512K x 16
Tray
FLASH - NOR
-
AL-J
-40°C ~ 125°C (TA)
Surface Mount
48-TFSOP (0.724', 18.40mm Width)
48-TSOP
2.7V ~ 3.6V
Non-Volatile
RFQ
W29N01HVSINA
Winbond Electronics
IC FLASH 1GBIT PARALLEL 48TSOP
Na skladě10864 pcs
1Gbit
-
25 ns
FLASH
25ns
Parallel
-
-
-
-
W29N01
128M x 8
Tray
FLASH - NAND (SLC)
-
-
-40°C ~ 85°C (TA)
Surface Mount
48-TFSOP (0.724", 18.40mm Width)
48-TSOP
2.7V ~ 3.6V
Non-Volatile
RFQ