| Mfr. Part # | AT24C64A-10PI-1.8 | 25LC640-I/SN | 23K640-I/SN |
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Description | IC EEPROM 64K I2C 400KHZ 8DIP | MICROCHIP - 25LC640-I/SN - SERIAL EEPROM, 64KBIT, 2MHZ, SOIC-8 | MICROCHIP - 23K640-I/SN - SRAM, 64 Kbit, 8K x 8bit, 2.7V to 3.6V, SOIC, 8 Pins |
| Datasheet | |||
| RoHS | |||
| Specifications | |||
Mounting Type | Through Hole | Surface Mount | Surface Mount |
Package / Case | 8-DIP (0.300, 7.62mm) | 8-SOIC (0.154, 3.90mm Width) | 8-SOIC (0.154, 3.90mm Width) |
Supplier Device Package | 8-PDIP | - | - |
Memory Types | Non-Volatile | Non-Volatile | Volatile |
Operating Temperature | -40°C~85°C TA | -40°C~85°C TA | -40°C~85°C TA |
Packaging | Tube | Tube | Tube |
Part Status | Obsolete | Active | Active |
Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Voltage - Supply | 1.8V~5.5V | 2.5V~5.5V | 3.3V |
Base Part Number | AT24C64 | 25LC640 | 23K640 |
Memory Size | 64Kb 8K x 8 | 64Kb 8K x 8 | 64Kb 8K x 8 |
Clock Frequency | 400kHz | 2MHz | 20MHz |
Access Time | 900ns | 230 ns | 25 ns |
Memory Format | EEPROM | EEPROM | SRAM |
Memory Interface | I2C | SPI | SPI |
Write Cycle Time - Word, Page | 5ms | 5ms | - |
RoHS Status | Non-RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant |
Factory Lead Time | - | 6 Weeks | 6 Weeks |
Surface Mount | - | YES | - |
Contact Plating | - | Tin | - |
Number of Pins | - | 8 | 8 |
Current - Supply (Nom) | - | 5mA | 10mA |
Published | - | 2005 | 2009 |
JESD-609 Code | - | e3 | e3 |
Pbfree Code | - | yes | yes |
Number of Terminations | - | 8 | 8 |
ECCN Code | - | EAR99 | EAR99 |
Additional Feature | - | 1000K ERASE/WRITE CYCLES; DATA RETENTION > 200 YEARS | - |
Terminal Position | - | DUAL | DUAL |
Peak Reflow Temperature (Cel) | - | 260 | 260 |
Number of Functions | - | 1 | 1 |
Terminal Pitch | - | 1.27mm | - |
Time@Peak Reflow Temperature-Max (s) | - | 40 | 40 |
Power Supplies | - | 3/5V | - |
Voltage | - | 7V | - |
Interface | - | SPI, Serial | SPI, Serial |
Density | - | 64 kb | 64 kb |
Standby Current-Max | - | 0.000001A | 0.000004A |
Serial Bus Type | - | SPI | - |
Endurance | - | 100000 Write/Erase Cycles | - |
Write Cycle Time-Max (tWC) | - | 5ms | - |
Data Retention Time-Min | - | 200 | - |
Write Protection | - | HARDWARE/SOFTWARE | - |
Width | - | 3.9mm | 3.9mm |
Length | - | 4.9mm | 4.9mm |
Height | - | 1.5mm | 1.25mm |
Radiation Hardening | - | No | No |
REACH SVHC | - | No SVHC | No SVHC |
Lead Free | - | Lead Free | Lead Free |
Mount | - | - | Surface Mount |
Terminal Finish | - | - | Matte Tin (Sn) - annealed |
Number of Ports | - | - | 1 |
Output Characteristics | - | - | 3-STATE |
Address Bus Width | - | - | 1b |
I/O Type | - | - | SEPARATE |
Sync/Async | - | - | Synchronous |
Word Size | - | - | 8b |
Standby Voltage-Min | - | - | 2.7V |
Voltage - Supply (Max) | - | - | 3.6V |
Voltage - Supply (Min) | - | - | 2.7V |
| Pricing(USD) | |||
| Grads Price | - | Quantity Unit Price 1+ $12.6833 10+ $11.9654 100+ $11.2881 500+ $10.6492 1000+ $10.0464 | Quantity Unit Price 1+ $16.5244 10+ $15.589 100+ $14.7066 500+ $13.8742 1000+ $13.0888 |
| Availability | - | 12500 | 10000 |
| Price | - | $12.6833 | $16.5244 |
| Quantity |
In Stock