EEPROM

: 1,212 Products Found
Filter Layout:
0 Filter(s) Selected
1,212 Products Found Please click the 'Apply Filters' button to update results
Min/Max Availability

When the Remember checkbox is selected we will save your latest filter preferences for future searches

Compliance
Min/Max Manufacturer
Min/Max Memory Density
Min/Max Memory Size
Min/Max EEPROM Memory Configuration
Min/Max Memory Configuration
Min/Max Memory Interface Type
Min/Max Interfaces
Min/Max Clock Frequency
Min/Max Clock Frequency Max
Min/Max Memory Case Style
Min/Max IC Case / Package
Min/Max No. of Pins
Min/Max Supply Voltage Min
Min/Max Supply Voltage Max
Min/Max IC Mounting
Min/Max Operating Temperature Min
Min/Max Operating Temperature Max
Min/Max Product Range
Packaging

Contract pricing display is unavailable at the moment. Prices shown are standard retail prices, orders placed will have contract pricing applied when processed.

 
Compare Selected Compare (0)
  Manufacturer Part No Order Code Description / Manufacturer
Availability Price For
Price (Incl JCT)
Quantity
Memory Density Memory Size EEPROM Memory Configuration Memory Configuration Memory Interface Type Interfaces Clock Frequency Clock Frequency Max Memory Case Style IC Case / Package No. of Pins Supply Voltage Min Supply Voltage Max IC Mounting Operating Temperature Min Operating Temperature Max Product Range
 
 
Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending Sort Acending Sort Decending
24LC256T-I/SN
24LC256T-I/SN - EEPROM, 256 Kbit, 32K x 8bit, I2C, 400 kHz, SOIC, 8 Pins

1296581

EEPROM, 256 Kbit, 32K x 8bit, I2C, 400 kHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History
+ Check Stock & Lead Times

9,017 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/14/25

Each (Supplied on Cut Tape)

Cut Tape

1+ ¥250.07 (¥275.08) 25+ ¥218.81 (¥240.69) 100+ ¥181.30 (¥199.43) 3300+ ¥162.54 (¥178.79)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
256Kbit - - 32K x 8bit - I2C - 400kHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 256Kbit I2C Serial EEPROM
M24C64-WMN6P
M24C64-WMN6P - EEPROM, 64 Kbit, 8K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

9882685

EEPROM, 64 Kbit, 8K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

STMICROELECTRONICS

You previously purchased this product. View in Order History
+ Check Stock & Lead Times

2,763 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/7/25

Each

5+ ¥294.69 (¥324.16) 10+ ¥275.49 (¥303.04) 100+ ¥256.29 (¥281.92) 500+ ¥237.09 (¥260.80) 1000+ ¥217.89 (¥239.68) 5000+ ¥125.88 (¥138.47) 10000+ ¥33.86 (¥37.25) More Pricing...

Restricted Item

Minimum order of 5 items Multiples of 5 only Please enter a valid quantity

Add
Min: 5 Mult: 5
64Kbit - - 8K x 8bit - I2C - 1MHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 64Kbit I2C Serial EEPROM
25AA1024-I/SM
25AA1024-I/SM - EEPROM, 1 Mbit, 128K x 8bit, SPI, 2 MHz, SOIJ, 8 Pins

1555678

EEPROM, 1 Mbit, 128K x 8bit, SPI, 2 MHz, SOIJ, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History
+ Check Stock & Lead Times

1,878 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/21/25

Each

1+ ¥616.03 (¥677.63) 25+ ¥592.52 (¥651.77) 100+ ¥580.67 (¥638.74)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Mbit - - 128K x 8bit - SPI - 2MHz - SOIJ 8Pins 1.8V 5.5V Surface Mount -40°C 85°C 1Mbit SPI Serial EEPROM
AT24C512C-SSHD-T
AT24C512C-SSHD-T - EEPROM, 512 Kbit, 64K x 8bit, I2C, 1 MHz, WSOIC, 8 Pins

2345591

EEPROM, 512 Kbit, 64K x 8bit, I2C, 1 MHz, WSOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History
+ Check Stock & Lead Times

24,129 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 6/30/25

Each

1+ ¥106.59 (¥117.25) 25+ ¥103.46 (¥113.81) 100+ ¥98.76 (¥108.64) 4000+ ¥96.79 (¥106.47)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
512Kbit - - 64K x 8bit - I2C - 1MHz - WSOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 512Kbit I2C Serial EEPROM
24LC1025-I/SM
24LC1025-I/SM - EEPROM, 1 Mbit, 128K x 8bit, I2C, 400 kHz, SOIJ, 8 Pins

1331323

EEPROM, 1 Mbit, 128K x 8bit, I2C, 400 kHz, SOIJ, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History
+ Check Stock & Lead Times

10,186 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/21/25

Each

1+ ¥912.38 (¥1,003.62) 25+ ¥798.33 (¥878.16) 100+ ¥661.47 (¥727.62)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Mbit - - 128K x 8bit - I2C - 400kHz - SOIJ 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 1Mbit I2C Serial EEPROM
24LC01BT-I/OT
24LC01BT-I/OT - EEPROM, 1 Kbit, 128 x 8bit, I2C, 400 kHz, SOT-23, 5 Pins

9757880

EEPROM, 1 Kbit, 128 x 8bit, I2C, 400 kHz, SOT-23, 5 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape

1+ ¥58.73 (¥64.60) 25+ ¥51.39 (¥56.53) 100+ ¥42.58 (¥46.84) 3000+ ¥38.17 (¥41.99)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Kbit - - 128 x 8bit - I2C - 400kHz - SOT-23 5Pins 2.5V 5.5V Surface Mount -40°C 85°C 1Kbit I2C Serial EEPROM
24LC02B-I/SN
24LC02B-I/SN - EEPROM, 2 Kbit, 256 x 8bit, I2C, 400 kHz, SOIC, 8 Pins

1196818

EEPROM, 2 Kbit, 256 x 8bit, I2C, 400 kHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥63.62 (¥69.98) 25+ ¥55.67 (¥61.24) 100+ ¥46.12 (¥50.73)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
2Kbit - - 256 x 8bit - I2C - 400kHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 2Kbit I2C Serial EEPROM
AT24C256C-SSHL-T
AT24C256C-SSHL-T - EEPROM, 256 Kbit, 32K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

2345588

EEPROM, 256 Kbit, 32K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥175.33 (¥192.86) 25+ ¥153.41 (¥168.75) 100+ ¥127.11 (¥139.82) 4000+ ¥113.96 (¥125.36)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
256Kbit - - 32K x 8bit - I2C - 1MHz - SOIC 8Pins 1.7V 5.5V Surface Mount -40°C 85°C 256Kbit I2C Serial EEPROM
M95256-WMN6P
M95256-WMN6P - EEPROM, High Speed Clock, 256 Kbit, 32K x 8bit, SPI, 10 MHz, SOIC, 8 Pins

1099712

EEPROM, High Speed Clock, 256 Kbit, 32K x 8bit, SPI, 10 MHz, SOIC, 8 Pins

STMICROELECTRONICS

You previously purchased this product. View in Order History

Each

1+ ¥111.30 (¥122.43) 10+ ¥96.25 (¥105.88) 100+ ¥87.47 (¥96.22) 500+ ¥84.81 (¥93.29) 1000+ ¥80.10 (¥88.11) 2500+ ¥76.97 (¥84.67) 5000+ ¥75.44 (¥82.98) More Pricing...

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
256Kbit - - 32K x 8bit - Serial SPI - 10MHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 256Kbit SPI Serial EEPROM
24AA02E48T-I/OT
24AA02E48T-I/OT - EEPROM, EUI-48™ Node Identity, I2C, 2Kbit, 8Byte Page, 400 kHz, SOT-23-5

1688855

EEPROM, EUI-48™ Node Identity, I2C, 2Kbit, 8Byte Page, 400 kHz, SOT-23-5

MICROCHIP

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape

1+ ¥45.46 (¥50.01) 25+ ¥45.19 (¥49.71) 100+ ¥44.92 (¥49.41) 3000+ ¥44.65 (¥49.12)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
2Kbit - - 2 BLK (128 x 8bit) - I2C - 400kHz - SOT-23 5Pins 1.7V 5.5V Surface Mount -40°C 85°C 2Kbit I2C Serial EEPROM
CAT24M01XI-T2
CAT24M01XI-T2 - EEPROM, 1 Mbit, 128K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

1908132

EEPROM, 1 Mbit, 128K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

ONSEMI

You previously purchased this product. View in Order History

Each

1+ ¥275.88 (¥303.47) 10+ ¥244.53 (¥268.98) 50+ ¥231.21 (¥254.33) 100+ ¥217.89 (¥239.68) 250+ ¥216.32 (¥237.95) 500+ ¥214.75 (¥236.23) 1000+ ¥189.67 (¥208.64) 2500+ ¥185.88 (¥204.47) More Pricing...

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Mbit - - 128K x 8bit - I2C - 1MHz - SOIC 8Pins 1.8V 5.5V Surface Mount -40°C 85°C 1Mbit I2C Serial EEPROM
24AA00T-I/OT
24AA00T-I/OT - EEPROM, 128 bit, 16 x 8bit, I2C, 400 kHz, SOT-23, 5 Pins

1331264

EEPROM, 128 bit, 16 x 8bit, I2C, 400 kHz, SOT-23, 5 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape

1+ ¥37.62 (¥41.38) 25+ ¥36.84 (¥40.52) 100+ ¥36.06 (¥39.67) 3000+ ¥35.34 (¥38.87)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
128bit - - 16 x 8bit - I2C - 400kHz - SOT-23 5Pins 1.8V 5.5V Surface Mount -40°C 85°C 128bit I2C Serial EEPROM
AT24C256C-SSHL-B
AT24C256C-SSHL-B - EEPROM, 256 Kbit, 32K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

1972001

EEPROM, 256 Kbit, 32K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥125.78 (¥138.36)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
256Kbit - - 32K x 8bit - I2C - 1MHz - SOIC 8Pins 1.7V 5.5V Surface Mount -40°C 85°C 256Kbit I2C Serial EEPROM
AT24C04C-SSHM-B
AT24C04C-SSHM-B - EEPROM, 4 Kbit, 512 x 8bit, I2C, 1 MHz, SOIC, 8 Pins

2345580

EEPROM, 4 Kbit, 512 x 8bit, I2C, 1 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥59.78 (¥65.76) 25+ ¥52.31 (¥57.54) 100+ ¥43.34 (¥47.67)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
4Kbit - - 512 x 8bit - I2C - 1MHz - SOIC 8Pins 1.7V 5.5V Surface Mount -40°C 85°C 4Kbit I2C Serial EEPROM
AT24C16C-SSHM-T
AT24C16C-SSHM-T - EEPROM, 16 Kbit, 2K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

2345587

EEPROM, 16 Kbit, 2K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥51.73 (¥56.90) 25+ ¥51.30 (¥56.43) 100+ ¥50.86 (¥55.95) 4000+ ¥50.42 (¥55.46)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
16Kbit - - 2K x 8bit - I2C - 1MHz - SOIC 8Pins 1.7V 5.5V Surface Mount -40°C 85°C 16Kbit I2C Serial EEPROM
25LC1024-I/P
25LC1024-I/P - EEPROM, 1 Mbit, 128K x 8bit, SPI, 10 MHz, DIP, 8 Pins

1331392

EEPROM, 1 Mbit, 128K x 8bit, SPI, 10 MHz, DIP, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥653.65 (¥719.02) 25+ ¥630.14 (¥693.15) 100+ ¥603.49 (¥663.84)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Mbit - - 128K x 8bit - SPI - 10MHz - DIP 8Pins 2.5V 5.5V Through Hole -40°C 85°C 1Mbit SPI Serial EEPROM
25LC512-I/SN
25LC512-I/SN - EEPROM, 512 Kbit, 64K x 8bit, SPI, 20 MHz, SOIC, 8 Pins

1556153

EEPROM, 512 Kbit, 64K x 8bit, SPI, 20 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥357.39 (¥393.13) 25+ ¥341.72 (¥375.89) 100+ ¥337.73 (¥371.50)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
512Kbit - - 64K x 8bit - SPI - 20MHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 512Kbit SPI Serial EEPROM
AT24CM02-SSHD-B
AT24CM02-SSHD-B - EEPROM, 2 Mbit, 256K x 8bit, I2C, 1 MHz, WSOIC, 8 Pins

2490919

EEPROM, 2 Mbit, 256K x 8bit, I2C, 1 MHz, WSOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥511.01 (¥562.11) 25+ ¥492.20 (¥541.42) 100+ ¥471.82 (¥519.00)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
2Mbit - - 256K x 8bit - I2C - 1MHz - WSOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 2Mbit I2C Serial EEPROM
DS24B33S+
DS24B33S+ - EEPROM, 4 Kbit, 16 x 256bit, SPI, WSOIC, 8 Pins

2519315

EEPROM, 4 Kbit, 16 x 256bit, SPI, WSOIC, 8 Pins

ANALOG DEVICES

You previously purchased this product. View in Order History

Each

1+ ¥628.57 (¥691.43) 10+ ¥562.74 (¥619.01) 88+ ¥518.85 (¥570.74) 176+ ¥514.93 (¥566.42) 264+ ¥511.01 (¥562.11) 528+ ¥496.90 (¥546.59) 1056+ ¥492.20 (¥541.42) More Pricing...

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
4Kbit - - 16 x 256bit - Serial SPI - - - WSOIC 8Pins 2.8V 5.25V Surface Mount -40°C 85°C 4Kbit 1 Wire Serial EEPROM
25LC640-I/P
25LC640-I/P - EEPROM, 64 Kbit, 8K x 8bit, SPI, 2 MHz, DIP, 8 Pins

9758151

EEPROM, 64 Kbit, 8K x 8bit, SPI, 2 MHz, DIP, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥164.59 (¥181.05) 25+ ¥161.46 (¥177.61) 100+ ¥158.32 (¥174.15)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
64Kbit - - 8K x 8bit - SPI - 2MHz - DIP 8Pins 2.5V 5.5V Through Hole -40°C 85°C 64Kbit SPI Serial EEPROM
25LC640-I/SN
25LC640-I/SN - EEPROM, 64 Kbit, 8K x 8bit, SPI, 2 MHz, SOIC, 8 Pins

9758160

EEPROM, 64 Kbit, 8K x 8bit, SPI, 2 MHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each

1+ ¥141.08 (¥155.19) 25+ ¥139.51 (¥153.46) 100+ ¥137.94 (¥151.73)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
64Kbit - - 8K x 8bit - SPI - 2MHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 85°C 64Kbit SPI Serial EEPROM
CAT24C32WI-GT3
CAT24C32WI-GT3 - EEPROM, 32 Kbit, 4K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

2463713

EEPROM, 32 Kbit, 4K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

ONSEMI

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape
Packaging Options
Suggested replacement for:2463713
2306646 in Full Reel

5+ ¥65.84 (¥72.42) 10+ ¥52.67 (¥57.94) 100+ ¥49.38 (¥54.32) 500+ ¥47.66 (¥52.43)

Restricted Item

Minimum order of 5 items Multiples of 5 only Please enter a valid quantity

Add
Min: 5 Mult: 5
32Kbit - - 4K x 8bit - I2C - 1MHz - SOIC 8Pins 1.7V 5.5V Surface Mount -40°C 85°C 32Kbit I2C Serial EEPROM
DS2431+
DS2431+ - EEPROM, 1 Kbit, 4 x 256bit, 1-Wire, TO-226AA, 3 Pins

2519007

EEPROM, 1 Kbit, 4 x 256bit, 1-Wire, TO-226AA, 3 Pins

ANALOG DEVICES

You previously purchased this product. View in Order History

Each

1+ ¥349.56 (¥384.52) 10+ ¥288.42 (¥317.26) 25+ ¥286.86 (¥315.55) 100+ ¥285.29 (¥313.82) 250+ ¥264.91 (¥291.40) 2000+ ¥246.10 (¥270.71) 4000+ ¥231.99 (¥255.19) More Pricing...

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
1Kbit - - 4 x 256bit - 1-Wire - - - TO-226AA 3Pins 2.8V 5.25V Through Hole -40°C 85°C 1Kbit 1-Wire Serial EEPROM
M24C64-RMN6TP
M24C64-RMN6TP - EEPROM, 64 Kbit, 8K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

2849968

EEPROM, 64 Kbit, 8K x 8bit, I2C, 1 MHz, SOIC, 8 Pins

STMICROELECTRONICS

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape

5+ ¥42.33 (¥46.56) 10+ ¥36.12 (¥39.73) 100+ ¥32.88 (¥36.17) 500+ ¥32.03 (¥35.23) 1000+ ¥26.67 (¥29.34) 5000+ ¥26.24 (¥28.86) 10000+ ¥25.82 (¥28.40) More Pricing...

Restricted Item

Minimum order of 5 items Multiples of 5 only Please enter a valid quantity

Add
Min: 5 Mult: 5
64Kbit - - 8K x 8bit - I2C - 1MHz - SOIC 8Pins 1.8V 5.5V Surface Mount -40°C 85°C 64Kbit I2C Serial EEPROM
24LC256T-E/SN
24LC256T-E/SN - EEPROM, 256 Kbit, 32K x 8bit, I2C, 400 kHz, SOIC, 8 Pins

2857566

EEPROM, 256 Kbit, 32K x 8bit, I2C, 400 kHz, SOIC, 8 Pins

MICROCHIP

You previously purchased this product. View in Order History

Each (Supplied on Cut Tape)

Cut Tape

1+ ¥188.12 (¥206.93)

Restricted Item

Minimum order of 1 items Multiples of 1 only Please enter a valid quantity

Add
Min: 1 Mult: 1
256Kbit - - 32K x 8bit - I2C - 400kHz - SOIC 8Pins 2.5V 5.5V Surface Mount -40°C 125°C 256Kbit I2C Serial EEPROM