FT24C128A-UTR-T
Fremont Micro Devices Ltd
IC EEPROM 128KBIT I2C 8TSSOP
Op Lager12940 pcs
128Kbit
1 MHz
550 ns
EEPROM
5ms
I²C
-
-
-
-
FT24C128
16K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C
Surface Mount
8-TSSOP (0.173', 4.40mm Width)
8-TSSOP
1.8V ~ 5.5V
Non-Volatile
RFQ
MT46V8M16TG-75:D
Micron Technology Inc.
IC DRAM 128MBIT PARALLEL 66TSOP
Op Lager7190 pcs
128Mbit
133 MHz
750 ps
DRAM
15ns
Parallel
-
-
-
-
MT46V8M16
8M x 16
Tray
SDRAM - DDR
-
-
0°C ~ 70°C (TA)
Surface Mount
66-TSSOP (0.400', 10.16mm Width)
66-TSOP
2.3V ~ 2.7V
Volatile
RFQ
IS43QR16256A-083RBL
ISSI, Integrated Silicon Solution Inc
IC DRAM 4GBIT PAR 1.2GHZ 96TWBGA
Op Lager5720 pcs
4Gbit
1.2 GHz
-
DRAM
-
Parallel
-
-
-
-
IS43QR16256
256M x 16
Tray
SDRAM - DDR4
-
-
0°C ~ 95°C (TC)
Surface Mount
96-TFBGA
96-TWBGA (9x13)
1.14V ~ 1.26V
Volatile
RFQ
N64S830HAS22IT
onsemi
IC SRAM 64KBIT SPI 20MHZ 8SOIC
Op Lager37926 pcs
64Kbit
20 MHz
-
SRAM
-
SPI
-
-
-
-
N64S830
8K x 8
Tape & Reel (TR)
SRAM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
2.7V ~ 3.6V
Volatile
RFQ
AT49BV002A-70JI
Microchip Technology
IC FLASH 2MBIT PARALLEL 32PLCC
Op Lager5250 pcs
2Mbit
-
70 ns
FLASH
50µs
Parallel
-
-
-
-
AT49BV002
256K x 8
Tube
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
32-LCC (J-Lead)
32-PLCC (13.97x11.43)
2.7V ~ 3.6V
Non-Volatile
RFQ
GD25LQ80CTIG
GigaDevice Semiconductor (HK) Limited
IC FLASH 8MBIT SPI/QUAD I/O 8SOP
Op Lager128590 pcs
8Mbit
104 MHz
-
FLASH
50µs, 2.4ms
SPI - Quad I/O
-
-
-
-
GD25LQ80
1M x 8
Tube
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOP
1.65V ~ 2.1V
Non-Volatile
RFQ
AT25128N-10SI
Microchip Technology
IC EEPROM 128KBIT SPI 3MHZ 8SOIC
Op Lager13030 pcs
128Kbit
3 MHz
-
EEPROM
5ms
SPI
-
-
-
-
AT25128
16K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
4.5V ~ 5.5V
Non-Volatile
RFQ
AT49BV162A-70TU
Microchip Technology
IC FLASH 16MBIT PARALLEL 48TSOP
Op Lager14210 pcs
16Mbit
-
70 ns
FLASH
200µs
Parallel
-
-
-
-
AT49BV162
2M x 8, 1M x 16
Tray
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
48-TFSOP (0.724', 18.40mm Width)
48-TSOP
2.65V ~ 3.6V
Non-Volatile
RFQ
MT53E1536M32D4DT-046 WT:A
Micron Technology Inc.
IC DRAM 48GBIT 2.133GHZ WFBGA
Op Lager16250 pcs
48Gbit
2.133 GHz
-
DRAM
-
-
-
-
-
-
MT53E1536
1.5G x 32
Tray
SDRAM - Mobile LPDDR4
-
-
-30°C ~ 85°C (TC)
-
-
-
1.1V
Volatile
RFQ
AT34C02C-TH-T
Microchip Technology
IC EEPROM 2KBIT I2C 8TSSOP
Op Lager8820 pcs
2Kbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
AT34C02
256 x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP
1.7V ~ 5.5V
Non-Volatile
RFQ
GD25Q40CSIG
GigaDevice Semiconductor (HK) Limited
IC FLASH 4MBIT SPI/QUAD I/O 8SOP
Op Lager5500 pcs
4Mbit
104 MHz
-
FLASH
50µs, 2.4ms
SPI - Quad I/O
-
-
-
-
GD25Q40
512K x 8
Tube
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209", 5.30mm Width)
8-SOP
2.7V ~ 3.6V
Non-Volatile
RFQ
M24C64-DFMN6TP
STMicroelectronics
IC EEPROM 64KBIT I2C 1MHZ 8SOIC
Op Lager94590 pcs
64Kbit
1 MHz
450 ns
EEPROM
5ms
I²C
-
-
-
-
M24C64
8K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
1.7V ~ 5.5V
Non-Volatile
RFQ
AT25SF081B-SSHD-T
Adesto Technologies
IC FLASH 8MBIT SPI/QUAD 8SOIC
Op Lager114980 pcs
8Mbit
108 MHz
-
FLASH
50µs, 2.4ms
SPI - Quad I/O
-
-
-
-
AT25SF081
1M x 8
Tape & Reel (TR)
FLASH - NOR
-
-
-40°C ~ 85°C (TC)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
2.5V ~ 3.6V
Non-Volatile
RFQ
CY7C131E-55NXCT
Infineon Technologies
IC SRAM 8KBIT PARALLEL 52PQFP
Op Lager5480 pcs
8Kbit
-
55 ns
SRAM
55ns
Parallel
-
-
-
-
CY7C131
1K x 8
Tape & Reel (TR)
SRAM - Dual Port, Asynchronous
-
-
0°C ~ 70°C (TA)
Surface Mount
52-BQFP
52-PQFP (10x10)
4.5V ~ 5.5V
Volatile
RFQ
FM1608B-SGTR
Ramtron
FRAM MEMORY, 8KX8 PDSO28
Op Lager7473 pcs
-
-
-
-
-
-
-
-
-
-
-
-
Bulk
-
-
*
-
-
-
-
-
-
RFQ
AT29C512-15TI
Microchip Technology
IC FLASH 512KBIT PARALLEL 32TSOP
Op Lager10480 pcs
512Kbit
-
150 ns
FLASH
10ms
Parallel
-
-
-
-
AT29C512
64K x 8
Tray
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
32-TFSOP (0.724", 18.40mm Width)
32-TSOP
4.5V ~ 5.5V
Non-Volatile
RFQ
CY62146DV30LL-70ZSXI
Cypress Semiconductor Corp
IC SRAM 4MBIT PARALLEL 44TSOP II
Op Lager7420 pcs
4Mbit
-
70 ns
SRAM
70ns
Parallel
-
-
-
-
CY62146
256K x 16
Bulk
SRAM - Asynchronous
-
MoBL®
-40°C ~ 85°C (TA)
Surface Mount
44-TSOP (0.400", 10.16mm Width)
44-TSOP II
2.2V ~ 3.6V
Volatile
RFQ
S29GL128S10FHIV20
Infineon Technologies
IC FLASH 128MBIT PARALLEL 64FBGA
Op Lager7255 pcs
128Mbit
-
100 ns
FLASH
60ns
Parallel
-
-
-
-
S29GL128
8M x 16
Tray
FLASH - NOR
-
GL-S
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-FBGA (13x11)
1.65V ~ 3.6V
Non-Volatile
RFQ
71V2556SA133BG
Renesas Electronics America Inc
IC SRAM 4.5MBIT PAR 119PBGA
Op Lager4789 pcs
4.5Mbit
133 MHz
4.2 ns
SRAM
-
Parallel
-
-
-
-
71V2556
128K x 36
Tray
SRAM - Synchronous, SDR (ZBT)
-
-
0°C ~ 70°C (TA)
Surface Mount
119-BGA
119-PBGA (14x22)
3.135V ~ 3.465V
Volatile
RFQ
CYD18S72V-133BBC
Infineon Technologies
IC SRAM 18MBIT PARALLEL 484FBGA
Op Lager9060 pcs
18Mbit
133 MHz
5 ns
SRAM
-
Parallel
-
-
-
-
CYD18S72
256K x 72
Tray
SRAM - Dual Port, Synchronous
-
-
0°C ~ 70°C (TA)
Surface Mount
484-BGA
484-FBGA (23x23)
3.135V ~ 3.465V
Volatile
RFQ
AT24C64N-10SI-2.7
Microchip Technology
IC EEPROM 64KBIT I2C 8SOIC
Op Lager13960 pcs
64Kbit
400 kHz
900 ns
EEPROM
10ms
I²C
-
-
-
-
AT24C64
8K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209', 5.30mm Width)
8-SOIC
2.7V ~ 5.5V
Non-Volatile
RFQ
IS62WV5128BLL-55HI
ISSI, Integrated Silicon Solution Inc
IC SRAM 4MBIT PARALLEL 32STSOP I
Op Lager17490 pcs
4Mbit
-
55 ns
SRAM
55ns
Parallel
-
-
-
-
IS62WV5128
512K x 8
Tray
SRAM - Asynchronous
-
-
-40°C ~ 85°C (TA)
Surface Mount
32-TFSOP (0.465", 11.80mm Width)
32-sTSOP I
2.5V ~ 3.6V
Volatile
RFQ
24AA1025T-I/SN
Microchip Technology
IC EEPROM 1MBIT I2C 400KHZ 8SOIC
Op Lager9970 pcs
1Mbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
24AA1025
128K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
1.7V ~ 5.5V
Non-Volatile
RFQ
MTFC4GMVEA-1M WT
Micron Technology Inc.
IC FLASH 32GBIT MMC 153WFBGA
Op Lager15960 pcs
32Gbit
-
-
FLASH
-
MMC
-
-
-
-
MTFC4
4G x 8
Bulk
FLASH - NAND
-
e•MMC™
-25°C ~ 85°C (TA)
Surface Mount
153-WFBGA
153-WFBGA (11.5x13)
2.7V ~ 3.6V
Non-Volatile
RFQ
IS42S16800F-6TLI
ISSI, Integrated Silicon Solution Inc
IC DRAM 128MBIT PAR 54TSOP II
Op Lager12392 pcs
128Mbit
166 MHz
5.4 ns
DRAM
-
Parallel
-
-
-
-
IS42S16800
8M x 16
Tray
SDRAM
-
-
-40°C ~ 85°C (TA)
Surface Mount
54-TSOP (0.400', 10.16mm Width)
54-TSOP II
3V ~ 3.6V
Volatile
RFQ
CAT24C128HU4IGT3
onsemi
IC EEPROM 128KBIT I2C 1MHZ 8UDFN
Op Lager39310 pcs
128Kbit
1 MHz
400 ns
EEPROM
5ms
I²C
-
-
-
-
CAT24C128
16K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-UFDFN Exposed Pad
8-UDFN-EP (2x3)
1.8V ~ 5.5V
Non-Volatile
RFQ
CY7C1021BN-12ZXC
Infineon Technologies
IC SRAM 1MBIT PARALLEL 44TSOP II
Op Lager5580 pcs
1Mbit
-
12 ns
SRAM
12ns
Parallel
-
-
-
-
CY7C1021
64K x 16
Tray
SRAM - Asynchronous
-
-
0°C ~ 70°C (TA)
Surface Mount
44-TSOP (0.400', 10.16mm Width)
44-TSOP II
4.5V ~ 5.5V
Volatile
RFQ
IS42S16100H-7TL-TR
ISSI, Integrated Silicon Solution Inc
IC DRAM 16MBIT PAR 50TSOP II
Op Lager34252 pcs
16Mbit
143 MHz
5.5 ns
DRAM
-
Parallel
-
-
-
-
IS42S16100
1M x 16
Tape & Reel (TR)
SDRAM
-
-
0°C ~ 70°C (TA)
Surface Mount
50-TSOP (0.400", 10.16mm Width)
50-TSOP II
3V ~ 3.6V
Volatile
RFQ
AT27C256R-70PC
Microchip Technology
IC EPROM 256KBIT PARALLEL 28DIP
Op Lager13570 pcs
256Kbit
-
70 ns
EPROM
-
Parallel
-
-
-
-
AT27C256
32K x 8
Tube
EPROM - OTP
-
-
0°C ~ 70°C (TC)
Through Hole
28-DIP (0.600', 15.24mm)
28-PDIP
4.5V ~ 5.5V
Non-Volatile
RFQ
CAT25080LI-G
onsemi
IC EEPROM 8KBIT SPI 8DIP
Op Lager6160 pcs
8Kbit
-
-
EEPROM
5ms
SPI
-
-
-
-
CAT25080
1K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-PDIP
1.8V ~ 5.5V
Non-Volatile
RFQ
AT49BV163A-70TI
Microchip Technology
IC FLASH 16MBIT PARALLEL 48TSOP
Op Lager9600 pcs
16Mbit
-
70 ns
FLASH
200µs
Parallel
-
-
-
-
AT49BV163
2M x 8, 1M x 16
Tray
FLASH
-
-
-40°C ~ 85°C (TC)
Surface Mount
48-TFSOP (0.724', 18.40mm Width)
48-TSOP
2.65V ~ 3.6V
Non-Volatile
RFQ
CAT25256XI-T2
onsemi
IC EEPROM 256KBIT SPI 8SOIC
Op Lager12986 pcs
256Kbit
20 MHz
-
EEPROM
5ms
SPI
-
-
-
-
CAT25256
32K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209', 5.30mm Width)
8-SOIC
1.8V ~ 5.5V
Non-Volatile
RFQ
S25FL128P0XNFI011
Infineon Technologies
IC FLASH 128MBIT SPI 8WSON
Op Lager12500 pcs
128Mbit
104 MHz
-
FLASH
3ms
SPI
-
-
-
-
S25FL128
16M x 8
Tube
FLASH - NOR
-
FL-P
-40°C ~ 85°C (TA)
Surface Mount
8-WDFN Exposed Pad
8-WSON (6x8)
2.7V ~ 3.6V
Non-Volatile
RFQ
IS45S16100H-7BLA2-TR
ISSI, Integrated Silicon Solution Inc
IC DRAM 16MBIT PAR 60TFBGA
Op Lager11695 pcs
16Mbit
143 MHz
5.5 ns
DRAM
-
Parallel
-
-
-
-
IS45S16100
1M x 16
Tape & Reel (TR)
SDRAM
-
-
-40°C ~ 105°C (TA)
Surface Mount
60-TFBGA
60-TFBGA (6.4x10.1)
3V ~ 3.6V
Volatile
RFQ
MX25V1635FM1I
Macronix
IC FLASH 16MBIT SPI/QUAD 8SOP
Op Lager58020 pcs
16Mbit
80 MHz
-
FLASH
100µs, 4ms
SPI - Quad I/O
-
-
-
-
MX25V1635
2M x 8
Tube
FLASH - NOR
-
MXSMIO™
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOP
2.3V ~ 3.6V
Non-Volatile
RFQ
AT24C512C-SSHD-B
Microchip Technology
IC EEPROM 512KBIT I2C 1MHZ 8SOIC
Op Lager37028 pcs
512Kbit
1 MHz
550 ns
EEPROM
5ms
I²C
-
-
-
-
AT24C512C
64K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
2.5V ~ 5.5V
Non-Volatile
RFQ
AT93C46-10SC
Microchip Technology
IC EEPROM 1KBIT 3-WIRE 2MHZ 8DIP
Op Lager17150 pcs
1Kbit
2 MHz
-
EEPROM
10ms
3-Wire Serial
-
-
-
-
93C46
128 x 8, 64 x 16
Tube
EEPROM
-
-
0°C ~ 70°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-PDIP
4.5V ~ 5.5V
Non-Volatile
RFQ
AT27C256R-70JC
Microchip Technology
IC EPROM 256KBIT PARALLEL 32PLCC
Op Lager17840 pcs
256Kbit
-
70 ns
EPROM
-
Parallel
-
-
-
-
AT27C256
32K x 8
Tube
EPROM - OTP
-
-
0°C ~ 70°C (TC)
Surface Mount
32-LCC (J-Lead)
32-PLCC (13.97x11.43)
4.5V ~ 5.5V
Non-Volatile
RFQ
MT25QL512ABB8E12-0AAT
Micron Technology Inc.
IC FLASH 512MBIT SPI 24TPBGA
Op Lager4989 pcs
512Mbit
133 MHz
-
FLASH
8ms, 2.8ms
SPI
-
-
-
-
MT25QL512
64M x 8
Bulk
FLASH - NOR
-
Automotive, AEC-Q100
-40°C ~ 105°C (TA)
Surface Mount
24-TBGA
24-T-PBGA (6x8)
2.7V ~ 3.6V
Non-Volatile
RFQ
GD25Q80CEIGR
GigaDevice Semiconductor (HK) Limited
IC FLASH 8MBIT SPI/QUAD 8USON
Op Lager94440 pcs
8Mbit
120 MHz
-
FLASH
50µs, 2.4ms
SPI - Quad I/O
-
-
-
-
GD25Q80
1M x 8
Tape & Reel (TR)
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-XFDFN Exposed Pad
8-USON (2x3)
2.7V ~ 3.6V
Non-Volatile
RFQ
BR24T02FVT-WGE2
Rohm Semiconductor
IC EEPROM 2KBIT I2C 8TSSOP
Op Lager178700 pcs
2Kbit
400 kHz
-
EEPROM
5ms
I²C
-
-
-
-
BR24T02
256 x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP-B
1.6V ~ 5.5V
Non-Volatile
RFQ
R1EX24256BTAS0I#S0
Renesas Electronics America Inc
IC EEPROM 256KBIT I2C 8TSSOP
Op Lager10315 pcs
256Kbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
R1EX24256
32K x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP
1.8V ~ 5.5V
Non-Volatile
RFQ
25LC010AT-I/OT
Microchip Technology
IC EEPROM 1KBIT SPI SOT23-6
Op Lager66110 pcs
1Kbit
10 MHz
-
EEPROM
5ms
SPI
-
-
-
-
25LC010
128 x 8
Tape & Reel (TR)
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
SOT-23-6
SOT-23-6
2.5V ~ 5.5V
Non-Volatile
RFQ
M29W256GL70ZS6E
Micron Technology
IC FLASH 256M PARALLEL 64FBGA
Op Lager8005 pcs
256Mb (32M x 8, 16M x 16)
-
70ns
FLASH
70ns
Parallel
Tray
M29W256
Lead free / RoHS Compliant
3 (168 Hours)
-
-
-
FLASH - NOR
FLASH - NOR Memory IC 256Mb (32M x 8, 16M x 16) Parallel 70ns 64-FBGA (11x13)
-
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-FBGA (11x13)
2.7 V ~ 3.6 V
Non-Volatile
RFQ
S25FL204K0TMFI013
Infineon Technologies
IC FLASH 4MBIT SPI 85MHZ 8SOIC
Op Lager11370 pcs
4Mbit
85 MHz
-
FLASH
5ms
SPI
-
-
-
-
S25FL204
512K x 8
Tape & Reel (TR)
FLASH - NOR
-
FL2-K
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.209", 5.30mm Width)
8-SOIC
2.7V ~ 3.6V
Non-Volatile
RFQ
24LC1025-I/SN
Microchip Technology
IC EEPROM 1MBIT I2C 400KHZ 8SOIC
Op Lager9585 pcs
1Mbit
400 kHz
900 ns
EEPROM
5ms
I²C
-
-
-
-
24LC1025
128K x 8
Tube
EEPROM
-
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
2.5V ~ 5.5V
Non-Volatile
RFQ
IS61WV20488BLL-10TLI
ISSI, Integrated Silicon Solution Inc
IC SRAM 16MBIT PAR 44TSOP II
Op Lager2911 pcs
16Mbit
-
10 ns
SRAM
10ns
Parallel
-
-
-
-
IS61WV20488
2M x 8
Tray
SRAM - Asynchronous
-
-
-40°C ~ 85°C (TA)
Surface Mount
44-TSOP (0.400", 10.16mm Width)
44-TSOP II
2.4V ~ 3.6V
Volatile
RFQ
PC28F512P33BFD
Alliance Memory, Inc.
IC FLASH 512MBIT PARALLEL 64LBGA
Op Lager4644 pcs
512Mbit
52 MHz
95 ns
FLASH
-
Parallel
-
-
-
-
PC28F512
32M x 16
Tray
FLASH - NOR
-
-
-40°C ~ 85°C (TA)
Surface Mount
64-LBGA
64-LBGA (11x13)
2.3V ~ 3.6V
Non-Volatile
RFQ
CY62147DV30LL-55BVIT
Cypress Semiconductor Corp
IC SRAM 4MBIT PARALLEL 48VFBGA
Op Lager16861 pcs
4Mbit
-
55 ns
SRAM
55ns
Parallel
-
-
-
-
CY62147
256K x 16
Bulk
SRAM - Asynchronous
-
MoBL®
-40°C ~ 85°C (TA)
Surface Mount
48-VFBGA
48-VFBGA (6x8)
2.2V ~ 3.6V
Volatile
RFQ
CY7C168A-35PC
Cypress Semiconductor Corp
IC SRAM 16KBIT PARALLEL 20DIP
Op Lager8267 pcs
16Kbit
-
35 ns
SRAM
35ns
Parallel
-
-
-
-
CY7C168
4K x 4
Bulk
SRAM - Asynchronous
-
-
0°C ~ 70°C (TA)
Through Hole
20-DIP (0.300", 7.62mm)
20-DIP
4.5V ~ 5.5V
Volatile
RFQ