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Memory / EEPROMs / 25LC640A-E/SN
Datasheets
25LC640A-E/SN by: Microchip Technology Inc

8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8

Part Details for 25LC640A-E/SN by Microchip Technology Inc

Results Overview of 25LC640A-E/SN by Microchip Technology Inc

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Applications Consumer Electronics Internet of Things (IoT) Computing and Data Storage

25LC640A-E/SN Information

25LC640A-E/SN by Microchip Technology Inc is an EEPROM.
EEPROMs are under the broader part category of Memory Components.

Memory components are essential in electronics for computer processing. They can be volatile or non-volatile, depending on the desired function. Read more about Memory Components on our Memory part category page.

Price & Stock for 25LC640A-E/SN

Part # Distributor Description Stock Price Buy
DISTI # 48W3776
Newark Serial Eeprom, 64Kbit, 10Mhz, Soic-8, Memory Size:64Kbit, Eeprom Memory Configuration:8K X 8Bit, Memory Interface Type:Serial Spi, Clock Frequency:10Mhz, Memory Case Style:Soic, No. Of Pins:8Pins, Supply Voltage Min:2.5V, Supply Rohs Compliant: Yes |Microchip 25LC640A-E/SN RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 3519
  • 1 $0.8300
  • 10 $0.8150
  • 25 $0.8000
  • 50 $0.7850
  • 100 $0.7700
$0.7700 / $0.8300 Buy Now
DISTI # 25LC640A-E/SN-ND
DigiKey IC EEPROM 64KBIT SPI 10MHZ 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Tube 7367
In Stock
  • 1 $0.8300
  • 25 $0.8000
  • 100 $0.7700
$0.7700 / $0.8300 Buy Now
DISTI # 25LC640A-E/SN
Avnet Americas EEPROM, 64 Kbit, 8K x 8bit, SPI, 5 MHz, SOIC, 8 Pins - Rail/Tube (Alt: 25LC640A-E/SN) RoHS: Compliant Min Qty: 500 Package Multiple: 100 Lead time: 6 Weeks, 0 Days Container: Tube 0
  • 500 $0.7772
  • 700 $0.7482
  • 1,200 $0.7192
  • 2,500 $0.6902
  • 5,000 $0.6612
$0.6612 / $0.7772 Buy Now
DISTI # 579-25LC640A-E/SN
Mouser Electronics EEPROM 64K 8K X 8 25V SER EE EXT RoHS: Compliant 4696
  • 1 $0.8300
  • 25 $0.8000
  • 100 $0.7700
$0.7700 / $0.8300 Buy Now
DISTI # E54:1762_00271324
Arrow Electronics EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N Tube Automotive AEC-Q100 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2439 Europe - 800
  • 1 $0.7737
  • 25 $0.7503
  • 100 $0.7146
$0.7146 / $0.7737 Buy Now
DISTI # V36:1790_06427621
Arrow Electronics EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N Tube Automotive AEC-Q100 RoHS: Compliant Min Qty: 100 Package Multiple: 100 Lead time: 6 Weeks Date Code: 2336 Americas - 69
  • 100 $0.7573
$0.7573 Buy Now
DISTI # 25LC640A-E/SN
Microchip Technology Inc 64K SPI SERIAL EEPROM, SOIC, Projected EOL: 2034-10-03 COO: China, Taiwan, Thailand ECCN: EAR99 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube 0

Alternates Available
  • 1 $0.8300
  • 25 $0.8000
  • 100 $0.7700
  • 1,000 $0.7200
  • 5,000 $0.6800
$0.6800 / $0.8300 Buy Now
DISTI # 70451373
RS 64K, 8K X 8, 2.5V SER EE EXT8 SOIC 3.90mm(.150in) TUBE Min Qty: 500 Package Multiple: 1 Lead time: 52 Weeks, 0 Days Container: Bulk 0
  • 500 $1.4800
  • 5,000 $1.4100
  • 25,000 $1.3300
  • 50,000 $1.2600
$1.2600 / $1.4800 RFQ
Onlinecomponents.com EEPROM - Serial-SPI - 64Kb (8K x 8) - 3.3V/5V - Automotive - 8-Pin SOIC N - Tube RoHS: Compliant 700 In Stock
  • 100 $0.8290
  • 300 $0.7950
  • 500 $0.7830
  • 1,000 $0.7530
  • 2,500 $0.7160
  • 5,000 $0.7050
$0.7050 / $0.8290 Buy Now
DISTI # 86308546
Verical EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N Tube Automotive AEC-Q100 RoHS: Compliant Min Qty: 7 Package Multiple: 1 Date Code: 2439 Americas - 800
  • 7 $0.7737
  • 25 $0.7507
  • 100 $0.7146
$0.7146 / $0.7737 Buy Now
DISTI # 68409373
Verical EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N Tube Automotive AEC-Q100 RoHS: Compliant Min Qty: 100 Package Multiple: 100 Date Code: 2312 Americas - 700
  • 100 $1.0777
  • 300 $1.0335
  • 500 $1.0179
  • 1,000 $0.9789
  • 2,500 $0.9308
$0.9308 / $1.0777 Buy Now
DISTI # 83675222
Verical EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N Tube Automotive AEC-Q100 RoHS: Compliant Min Qty: 69 Package Multiple: 69 Date Code: 2336 Americas - 69
  • 69 $0.7573
$0.7573 Buy Now
Future Electronics 25LC640A Series 64 Kbit (8K x 8) 5.5 V SMT SPI Bus Serial EEPROM - SOIC-8 Min Qty: 1 Package Multiple: 1 2100
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  • 1 $0.9050
  • 30 $0.8800
  • 75 $0.8600
  • 200 $0.8400
  • 400 $0.8000
$0.8000 / $0.9050 Buy Now
DISTI # 25LC640A-E/SN
IBS Electronics SPI SERIAL EEPROM FAMILY 8-BIT 10 MHZ 2.5 TO 5.5V -55&#xB0, CTO 125&#xB0, C SOIC-8 ROHS Min Qty: 10 Package Multiple: 1 2800
  • 10 $1.1765
  • 30 $1.1440
  • 75 $1.1180
  • 200 $1.0920
  • 400 $1.0400
  • 5,000 $0.9165
$0.9165 / $1.1765 Buy Now
NAC 64K, 8K X 8, 2.5V SER EE EXT - Package: 8 SOIC 3.90mm(.150in) TUBE RoHS: Compliant Min Qty: 500 Package Multiple: 100 Container: Tube 0
  • 1 $0.8900
  • 100 $0.8100
  • 500 $0.7400
  • 1,000 $0.7200
$0.7200 / $0.8900 Buy Now
DISTI # 25LC640A-E/SN
Avnet Silica EEPROM 64 Kbit 8K x 8bit SPI 5 MHz SOIC 8 Pins (Alt: 25LC640A-E/SN) RoHS: Compliant Min Qty: 100 Package Multiple: 100 Lead time: 8 Weeks, 0 Days Silica - 800
Buy Now
DISTI # 25LC640A-E/SN
EBV Elektronik EEPROM 64 Kbit 8K x 8bit SPI 5 MHz SOIC 8 Pins (Alt: 25LC640A-E/SN) RoHS: Compliant Min Qty: 100 Package Multiple: 100 Lead time: 7 Weeks, 0 Days EBV - 0
Buy Now
LCSC 64Kbit 10MHz SPI SOIC-8 EEPROM ROHS 20
  • 1 $1.2583
  • 10 $1.2296
  • 30 $1.2115
  • 100 $1.1934
$1.1934 / $1.2583 Buy Now
Master Electronics EEPROM - Serial-SPI - 64Kb (8K x 8) - 3.3V/5V - Automotive - 8-Pin SOIC N - Tube RoHS: Compliant 700 In Stock
  • 100 $0.8290
  • 300 $0.7950
  • 500 $0.7830
  • 1,000 $0.7530
  • 2,500 $0.7160
  • 5,000 $0.7050
$0.7050 / $0.8290 Buy Now
New Advantage Corporation   RoHS: Compliant Min Qty: 1 Package Multiple: 100 1700
  • 200 $1.5100
  • 1,700 $1.3900
$1.3900 / $1.5100 Buy Now
Win Source Electronics 64K SPI Bus Serial EEPROM 56480
  • 40 $1.4478
  • 100 $1.1880
  • 155 $1.1508
  • 210 $1.1138
  • 270 $1.0766
  • 360 $0.9653
$0.9653 / $1.4478 Buy Now

Part Details for 25LC640A-E/SN

25LC640A-E/SN CAD Models

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25LC640A-E/SN Part Data Attributes

Parametric Data
25LC640A-E/SN Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
25LC640A-E/SN Microchip Technology Inc 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Part Package Code SOIC
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.32.00.51
Factory Lead Time 6 Weeks
Samacsys Manufacturer Microchip
Clock Frequency-Max (fCLK) 10 MHz
Data Retention Time-Min 200
Endurance 1000000 Write/Erase Cycles
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm
Memory Density 65536 bit
Memory IC Type EEPROM
Memory Width 8
Moisture Sensitivity Level 1
Number of Functions 1
Number of Ports 1
Number of Terminals 8
Number of Words 8192 words
Number of Words Code 8000
Operating Mode SYNCHRONOUS
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Organization 8KX8
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.23
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Parallel/Serial SERIAL
Peak Reflow Temperature (Cel) 260
Programming Voltage 5 V
Qualification Status Not Qualified
Screening Level AEC-Q100
Seated Height-Max 1.75 mm
Serial Bus Type SPI
Standby Current-Max 0.000005 A
Supply Current-Max 0.005 mA
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 2.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology CMOS
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Width 3.9 mm
Write Cycle Time-Max (tWC) 5 ms
Write Protection HARDWARE/SOFTWARE

Alternate Parts for 25LC640A-E/SN

This table gives cross-reference parts and alternative options found for 25LC640A-E/SN. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 25LC640A-E/SN, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
25LC640AT-I/SN Microchip Technology Inc $0.6464 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640AT-I/SN
25LC640A-I/SN Microchip Technology Inc $0.6886 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640A-I/SN
25LC640AT-H/SN Microchip Technology Inc $1.0855 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640AT-H/SN
25LC640AT-M/SN Microchip Technology Inc $16.3850 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640AT-M/SN
IS25C64A-3GLA3 Integrated Silicon Solution Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDSO8, 0.150 INCH, LEAD FREE, PLASTIC, SOP-8 25LC640A-E/SN vs IS25C64A-3GLA3
25LC640AXT-E/SN Microchip Technology Inc Check for Price 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640AXT-E/SN
IS25C64A-3GA3 Integrated Silicon Solution Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDSO8, SOIC-8 25LC640A-E/SN vs IS25C64A-3GA3
25LC640A-E/SN16KVAO Microchip Technology Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDSO8 25LC640A-E/SN vs 25LC640A-E/SN16KVAO
25LC640AXT-I/SN Microchip Technology Inc Check for Price 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 3.90 MM, LEAD FREE, PLASTIC, SOIC-8 25LC640A-E/SN vs 25LC640AXT-I/SN
25LC640AT-H/SN16KVXX Microchip Technology Inc Check for Price EEPROM 25LC640A-E/SN vs 25LC640AT-H/SN16KVXX
Part Number Manufacturer Composite Price Description Compare
25LC640AXT-I/ST Microchip Technology Inc $0.9630 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8 25LC640A-E/SN vs 25LC640AXT-I/ST
25LC640AX-E/ST Microchip Technology Inc $1.0295 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, PLASTIC, TSSOP-8 25LC640A-E/SN vs 25LC640AX-E/ST
25LC640AX-E/MF Microchip Technology Inc Check for Price 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 6 X 5 MM, LEAD FREE, PLASTIC, DFN-8 25LC640A-E/SN vs 25LC640AX-E/MF
25LC640AXT-I/MS Microchip Technology Inc Check for Price 8K X 8 SPI BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, MSOP-8 25LC640A-E/SN vs 25LC640AXT-I/MS
IS25C64A-3G Integrated Silicon Solution Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDSO8, SOIC-8 25LC640A-E/SN vs IS25C64A-3G
25LC640A-E/ST16KVAO Microchip Technology Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDSO8 25LC640A-E/SN vs 25LC640A-E/ST16KVAO
IS25C64A-3PA3 Integrated Silicon Solution Inc Check for Price EEPROM, 8KX8, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, DIP-8 25LC640A-E/SN vs IS25C64A-3PA3
25LC640AX-I/P Microchip Technology Inc Check for Price 8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8 25LC640A-E/SN vs 25LC640AX-I/P
M95640-WMB6TG STMicroelectronics Check for Price 8KX8 SPI BUS SERIAL EEPROM, DSO8, 2 X 3 MM, ROHS COMPLIANT, MLP-8 25LC640A-E/SN vs M95640-WMB6TG
M95640-WMB6/B STMicroelectronics Check for Price 8KX8 SPI BUS SERIAL EEPROM, DSO8, 2 X 3 MM, MLP-8 25LC640A-E/SN vs M95640-WMB6/B

25LC640A-E/SN Related Parts

25LC640A-E/SN Frequently Asked Questions (FAQ)

  • The 25LC640A-E/SN has a maximum of 1 million write cycles, with a minimum of 100,000 write cycles guaranteed.

  • The 25LC640A-E/SN uses a page write buffer to handle page writes. The buffer is 128 bytes, and the device can perform a page write in 5ms (typical) or 10ms (maximum).

  • The WP (Write Protect) pin is used to prevent writes to the status register. When the WP pin is tied to VCC, the status register is write-protected.

  • The 25LC640A-E/SN has a power-on reset circuit that initializes the device on power-up. During power-down, the device automatically goes into a low-power standby mode to conserve power.

  • The maximum clock frequency for the 25LC640A-E/SN is 3.4 MHz.

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