.hide-partial { max-height: none; } .show-more { display: none; }

4 Mbit Memory ICs

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Memory ICs

List Images

Results: 1,259

Applied Filters:

Memory Size = 4 Mbit

Manufacturer

Product

Product Type

Mounting Style

Package / Case

Interface Type

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

SST25VF040B-50-4I-SAE
Microchip Technology
1: $1.12
5,902In Stock

Mfr. Part #
SST25VF040B-50-4I-SAE

Mouser Part #
579-25VF040B504I-SAE

Microchip Technology

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

Datasheet

5,902In Stock

$1.12

$1.08

$1.04

Min.: 1
Mult.: 1

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

SST25VF040B-50-4I-SAE-T
Microchip Technology
1: $1.29
3,865In Stock

Mfr. Part #
SST25VF040B-50-4I-SAE-T

Mouser Part #
579-25VF040B504ISAET

Microchip Technology

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

Datasheet

3,865In Stock

Cut Tape

$1.29

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

SST25VF040B-50-4I-SAF-T
Microchip Technology
1: $1.24
6,083In Stock

Mfr. Part #
SST25VF040B-50-4I-SAF-T

Mouser Part #
579-25VF040B504ISAFT

Microchip Technology

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

Datasheet

6,083In Stock

Cut Tape

$1.24

Reel

$1.24

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

SST25VF040B-50-4I-S2AE-T
Microchip Technology
1: $1.17
2,153In Stock

Mfr. Part #
SST25VF040B-50-4I-S2AE-T

Mouser Part #
579-25VF40B504IS2AET

Microchip Technology

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

Datasheet

2,153In Stock

Cut Tape

$1.17

$1.16

$1.10

Reel

$1.10

$1.09

$1.08

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

NOR Flash

SMD/SMT

SOIJ-8

4 Mbit

SPI

NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash

SST25WF040BT-40I/SN
Microchip Technology
1: $1.21
2,523In Stock

Mfr. Part #
SST25WF040BT-40I/SN

Mouser Part #
579-25WF040BT-40I/SN

Microchip Technology

NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash

Datasheet

2,523In Stock

Cut Tape

$1.21

Reel

$1.21

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

4-Wire

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

SST25VF040B-50-4I-S2AF-T
Microchip Technology
1: $1.29
4,111In Stock

Mfr. Part #
SST25VF040B-50-4I-S2AF-T

Mouser Part #
579-5VF040B504IS2AFT

Microchip Technology

NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash

Datasheet

4,111In Stock

Cut Tape

$1.29

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

NOR Flash

SMD/SMT

SOIJ-8

4 Mbit

SPI

NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-SOIC, T&R

SST26VF040AT-104I/SN
Microchip Technology
1: $1.19
2,485In Stock

Mfr. Part #
SST26VF040AT-104I/SN

Mouser Part #
579-6VF040AT-104I/SN

Microchip Technology

NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-SOIC, T&R

Learn More

Datasheet

2,485In Stock

Cut Tape

$1.19

Reel

$1.19

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 4M Flash SPI

SST25PF040C-40I/SN
Microchip Technology
1: $1.08
2,738In Stock

Mfr. Part #
SST25PF040C-40I/SN

Mouser Part #
579-SST25PF040C40ISN

Microchip Technology

NOR Flash 4M Flash SPI

Learn More

Datasheet

2,738In Stock

$1.08

Min.: 1
Mult.: 1

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz

SST25VF040B-50-4C-SAF
Microchip Technology
1: $1.19
1,828In Stock

Mfr. Part #
SST25VF040B-50-4C-SAF

Mouser Part #
579-SST25VF040B504CS

Microchip Technology

NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz

Datasheet

1,828In Stock

$1.19

Min.: 1
Mult.: 1

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC, T&R

SST26VF040AT-80E/SN
Microchip Technology
1: $1.32
1,824In Stock

Mfr. Part #
SST26VF040AT-80E/SN

Mouser Part #
579-SST26VF080A80EMF

Microchip Technology

NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC, T&R

Datasheet

1,824In Stock

Cut Tape

$1.32

Reel

$1.32

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI, SQI

NOR Flash 4Mb, Serial Flash, 3.0V, 105C

SST25PF040C-40V/SN
Microchip Technology
1: $1.24
1,948In Stock

Mfr. Part #
SST25PF040C-40V/SN

Mouser Part #
579-ST25PF040C40V/SN

Microchip Technology

NOR Flash 4Mb, Serial Flash, 3.0V, 105C

Learn More

Datasheet

1,948In Stock

$1.24

Min.: 1
Mult.: 1

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial

SST25PF040CT-40E/SN
Microchip Technology
1: $1.39
3,656In Stock

Mfr. Part #
SST25PF040CT-40E/SN

Mouser Part #
579-T25PF040CT-40ESN

Microchip Technology

NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial

Learn More

Datasheet

3,656In Stock

Cut Tape

$1.39

$1.37

$1.36

Reel

$1.23

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

4 Mbit

SPI

NOR Flash 4Mb, Serial Flash, 3.0V, 105C

SST25PF040CT-40V/SN
Microchip Technology
1: $1.24
3,922In Stock
6,600Expected 10/26/2026

Mfr. Part #
SST25PF040CT-40V/SN

Mouser Part #
579-T25PF040CT40V/SN

Microchip Technology

NOR Flash 4Mb, Serial Flash, 3.0V, 105C

Learn More

Datasheet

3,922In Stock

6,600Expected 10/26/2026

Cut Tape

$1.24

Reel

$1.24

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON

SST26WF040BT-104I/NP
Microchip Technology
1: $1.39
6,000In Stock

Mfr. Part #
SST26WF040BT-104I/NP

Mouser Part #
579-T26WF040BT104INP

Microchip Technology

NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON

Learn More

Datasheet

6,000In Stock

Cut Tape

$1.39

$1.38

Reel

$1.27

$1.23

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NOR Flash

SMD/SMT

UDFN-8

4 Mbit

SPI

NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC

SST26WF040BT-104I/SN
Microchip Technology
1: $1.19
3,081In Stock

Mfr. Part #
SST26WF040BT-104I/SN

Mouser Part #
579-T26WF040BT104ISN

Microchip Technology

NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC

Learn More

Datasheet

3,081In Stock

Cut Tape

$1.19

Reel

$1.19

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

NOR Flash

SMD/SMT

SOIC-8

4 Mbit

SPI

NVRAM 4096k Nonvolatile SRAM

DS1250Y-70+
Analog Devices / Maxim Integrated
1: $200.25
18In Stock

Mfr. Part #
DS1250Y-70+

Mouser Part #
700-DS1250Y-70

Analog Devices / Maxim Integrated

NVRAM 4096k Nonvolatile SRAM

Datasheet

18In Stock

$200.25

$184.34

$141.63

$138.96

Min.: 1
Mult.: 1

NVRAM

Through Hole

EDIP-32

4 Mbit

Parallel

NVRAM 4096k Nonvolatile SRAM

DS1250YP-70IND+
Analog Devices / Maxim Integrated
1: $224.07
55In Stock

Mfr. Part #
DS1250YP-70IND+

Mouser Part #
700-DS1250YP-70IND

Analog Devices / Maxim Integrated

NVRAM 4096k Nonvolatile SRAM

Datasheet

55In Stock

$224.07

$222.72

$195.95

Min.: 1
Mult.: 1

NVRAM

SMD/SMT

PowerCap Module-34

4 Mbit

Parallel

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash

AT25FF041A-UUN-T
Renesas / Dialog
1: $0.85
3,433In Stock
5,000Expected 11/27/2026

Mfr. Part #
AT25FF041A-UUN-T

Mouser Part #
724-AT25FF041A-UUN-T

Renesas / Dialog

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash

Learn More

Datasheet

3,433In Stock

5,000Expected 11/27/2026

Cut Tape

$0.85

$0.797

$0.776

$0.76

View

Reel

$0.52

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

NOR Flash

SMD/SMT

WLCSP-8

4 Mbit

SPI

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash

AT25FF041A-MAHN-T
Renesas / Dialog
1: $0.85
2,981In Stock
5,000Expected 12/27/2027

Mfr. Part #
AT25FF041A-MAHN-T

Mouser Part #
724-AT25FF041AMAHNT

Renesas / Dialog

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash

Learn More

Datasheet

2,981In Stock

5,000Expected 12/27/2027

Cut Tape

$0.85

$0.797

$0.776

$0.76

View

Reel

$0.665

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

NOR Flash

SMD/SMT

UDFN-8

4 Mbit

SPI

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash

AT25XE041B-MHNHR-T
Renesas / Dialog
1: $2.43
1,448In Stock

Mfr. Part #
AT25XE041B-MHNHR-T

Mouser Part #
724-AT25XE041BMHNHRT

Renesas / Dialog

NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash

Learn More

Datasheet

1,448In Stock

Cut Tape

$2.43

$2.27

$2.20

$2.15

View

Reel

$1.89

Min.: 1
Mult.: 1

: 6,000

NOR Flash

SMD/SMT

UDFN-8

4 Mbit

SPI

SRAM 4Mb 3V 55ns 512K x 8 LP SRAM

CY62148EV30LL-55SXIT
Infineon Technologies
1: $5.95
975In Stock

Mfr. Part #
CY62148EV30LL-55SXIT

Mouser Part #
727-C148EV30LL55SXIT

Infineon Technologies

SRAM 4Mb 3V 55ns 512K x 8 LP SRAM

Learn More

Datasheet

975In Stock

Cut Tape

$5.95

$5.55

$5.38

$5.25

Reel

$4.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SRAM

SMD/SMT

SOIC-32

4 Mbit

Parallel

NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM

CY14B104NA-ZS45XI
Infineon Technologies
1: $58.14
281In Stock

Mfr. Part #
CY14B104NA-ZS45XI

Mouser Part #
727-CY14B104NAZS45XI

Infineon Technologies

NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM

Learn More

Datasheet

281In Stock

$58.14

$53.72

$51.98

$50.68

View

Min.: 1
Mult.: 1

NVRAM

SMD/SMT

TSOP-II-44

4 Mbit

F-RAM FRAM Excelon Auto

CY15B104QN-50SXA
Infineon Technologies
1: $20.86
374In Stock
470Expected 8/3/2026

Mfr. Part #
CY15B104QN-50SXA

Mouser Part #
727-CY15B104QN-50SXA

Infineon Technologies

F-RAM FRAM Excelon Auto

Learn More

Datasheet

374In Stock

470Expected 8/3/2026

$20.86

$19.34

$18.73

$17.86

View

Min.: 1
Mult.: 1

FRAM

SMD/SMT

SOIC-8

4 Mbit

SPI

F-RAM 4Mb F-RAM 108 MHz QSPI

CY15B104QSN-108SXI
Infineon Technologies
1: $35.69
117In Stock
470Expected 8/31/2026

Mfr. Part #
CY15B104QSN-108SXI

Mouser Part #
727-CY15B104QSN108SX

Infineon Technologies

F-RAM 4Mb F-RAM 108 MHz QSPI

Learn More

Datasheet

117In Stock

470Expected 8/31/2026

$35.69

$33.03

$31.97

$30.77

View

Min.: 1
Mult.: 1

FRAM

SMD/SMT

SOIC-8

4 Mbit

Quad SPI

F-RAM Excelon LP 50 MHz 8-EIAJ

CY15V104QN-50SXI
Infineon Technologies
1: $18.31
186In Stock

Mfr. Part #
CY15V104QN-50SXI

Mouser Part #
727-CY15V104QN-50SXI

Infineon Technologies

F-RAM Excelon LP 50 MHz 8-EIAJ

Learn More

Datasheet

186In Stock

$18.31

$16.99

$16.48

$15.90

View

Min.: 1
Mult.: 1

FRAM

SMD/SMT

SOIC-8

4 Mbit

SPI

4 Mbit Memory ICs

Types of Memory ICs

Customer Service Office

Company

Resources

Support

BGA-119
BGA-24
BGA-36
BGA-48
CABGA-100
CABGA-165
CABGA-208
CABGA-256
CABGA-48
DFN-8
EDIP-32
FBGA-165
FBGA-36
FBGA-48
LFBGA-48
mBGA-48
PBGA-119
PDIP-14
PDIP-32
PDIP-40