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Part Details for 25LC640-I/P by Microchip Technology Inc
Results Overview of 25LC640-I/P by Microchip Technology Inc
- Distributor Offerings: (27 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Internet of Things (IoT)
Computing and Data Storage
25LC640-I/P Information
25LC640-I/P 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 25LC640-I/P
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
98K8435
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Newark | Serial Eeprom, 64Kbit, 2Mhz, Dip-8, Memory Size:64Kbit, Eeprom Memory Configuration:8K X 8Bit, Memory Interface Type:Serial Spi, Clock Frequency:2Mhz, Memory Case Style:Dip, No. Of Pins:8Pins, Supply Voltage Min:2.5V, Supply Voltage Rohs Compliant: Yes |Microchip 25LC640-I/P RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 145 |
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$0.9700 / $1.0500 | Buy Now |
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DISTI #
28AC8255
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Newark | 64K, 8K X 8 , 2.5V Ser Ee Ind Rohs Compliant: Yes |Microchip 25LC640-I/P RoHS: Compliant Min Qty: 60 Package Multiple: 1 Date Code: 0 Container: Bulk | 5 |
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$0.9700 / $1.0300 | Buy Now |
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DISTI #
25LC640-I/P-ND
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DigiKey | IC EEPROM 64KBIT SPI 2MHZ 8DIP Min Qty: 1 Lead time: 6 Weeks Container: Tube |
2157 In Stock |
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$0.9991 / $1.0800 | Buy Now |
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DISTI #
25LC640-I/P
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Avnet Americas | EEPROM, 64 Kbit, 8K x 8bit, SPI, 2 MHz, DIP, 8 Pins - Rail/Tube (Alt: 25LC640-I/P) RoHS: Compliant Min Qty: 60 Package Multiple: 1 Lead time: 6 Weeks, 0 Days Container: Tube | 5 |
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$0.7728 / $0.8281 | Buy Now |
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DISTI #
579-25LC640-I/P
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Mouser Electronics | EEPROM 8kx8 - 2.5V RoHS: Compliant | 469 |
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$0.9700 / $1.0500 | Buy Now |
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DISTI #
E54:1762_00074303
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Arrow Electronics | EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2447 | Europe - 209 |
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$0.9355 / $1.0434 | Buy Now |
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DISTI #
V99:2348_06427645
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Arrow Electronics | EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2313 | Americas - 5 |
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$0.8653 / $0.9281 | Buy Now |
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DISTI #
25LC640-I/P
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Microchip Technology Inc | 64k, 8K X 8 , 2.5V SER EE IND, PDIP, Projected EOL: 2034-05-16 COO: Thailand ECCN: EAR99 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube |
1071 Alternates Available |
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$0.8700 / $1.0500 | Buy Now |
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DISTI #
70045287
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RS | Microchip Serial EEPROM Memory 64kbit 230ns 2.5 to 5.5V 8-Pin PDIP Min Qty: 420 Package Multiple: 1 Lead time: 50 Weeks, 0 Days Container: Bulk | 0 |
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$0.9000 / $1.0600 | RFQ |
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Future Electronics | 25LC640 Series 64 Kbit (8K x 8) 5.5 V Through Hole SPI Bus Serial EEPROM - DIP-8 RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Container: Tube | 1025Tube |
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$0.7600 / $0.8700 | Buy Now |
Part Details for 25LC640-I/P
25LC640-I/P CAD Models
25LC640-I/P Part Data Attributes
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25LC640-I/P
Microchip Technology Inc
Buy Now
Datasheet
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Compare Parts:
25LC640-I/P
Microchip Technology Inc
8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Not Recommended | |
| Ihs Manufacturer | MICROCHIP TECHNOLOGY INC | |
| Part Package Code | DIP | |
| Package Description | 0.300 INCH, PLASTIC, DIP-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.32.00.51 | |
| Factory Lead Time | 6 Weeks | |
| Date Of Intro | 1997-09-01 | |
| Samacsys Manufacturer | Microchip | |
| Clock Frequency-Max (fCLK) | 2 MHz | |
| Data Retention Time-Min | 200 | |
| Endurance | 1000000 Write/Erase Cycles | |
| JESD-30 Code | R-PDIP-T8 | |
| JESD-609 Code | e3 | |
| Length | 9.271 mm | |
| Memory Density | 65536 bit | |
| Memory IC Type | EEPROM | |
| Memory Width | 8 | |
| 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 | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Organization | 8KX8 | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Parallel/Serial | SERIAL | |
| Programming Voltage | 5 V | |
| Qualification Status | Not Qualified | |
| Screening Level | TS 16949 | |
| Seated Height-Max | 5.334 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 | NO | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Width | 7.62 mm | |
| Write Cycle Time-Max (tWC) | 5 ms | |
| Write Protection | HARDWARE |
Alternate Parts for 25LC640-I/P
This table gives cross-reference parts and alternative options found for 25LC640-I/P. 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 25LC640-I/P, 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 |
|---|---|---|---|---|
| 25LC640-E/P | Microchip Technology Inc | $1.0000 | 8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8 | 25LC640-I/P vs 25LC640-E/P |
| 25LC640-I/PG | Microchip Technology Inc | Check for Price | 8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8 | 25LC640-I/P vs 25LC640-I/PG |
| 25LC640-I/PREL | Microchip Technology Inc | Check for Price | 8K X 8 SPI BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8 | 25LC640-I/P vs 25LC640-I/PREL |
25LC640-I/P Frequently Asked Questions (FAQ)
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The 25LC640-I/P has a minimum of 1 million write cycles, but the actual number of write cycles may vary depending on the usage and operating conditions.
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The HOLD pin should be pulled high during power-up and power-down to prevent any unwanted writes to the device. It's recommended to use a pull-up resistor to ensure the pin is held high during these transitions.
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The recommended clock frequency for the 25LC640-I/P is up to 3.4 MHz. However, the device can operate at frequencies up to 5 MHz, but with reduced reliability and performance.
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To ensure data integrity during power failures, it's recommended to use a capacitor or a battery-backed solution to maintain power to the device for a short period during power failures. This allows the device to complete any pending writes and prevent data corruption.
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Yes, the 25LC640-I/P can be used in a multi-master environment, but it's essential to implement a protocol to prevent multiple masters from accessing the device simultaneously, which can cause data corruption or other issues.