| Mfr. Part # | 23K640-I/SN | AT24C64D-SSHM-B | 25LC640-I/SN |
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Description | MICROCHIP - 23K640-I/SN - SRAM, 64 Kbit, 8K x 8bit, 2.7V to 3.6V, SOIC, 8 Pins | EEPROM Serial-2Wire 64K-bit 8K x 8 1.8V/2.5V/3.3V/5V Automotive 8-Pin SOIC Tube | MICROCHIP - 25LC640-I/SN - SERIAL EEPROM, 64KBIT, 2MHZ, SOIC-8 |
| Datasheet | |||
| RoHS | |||
| Specifications | |||
Factory Lead Time | 6 Weeks | 6 Weeks | 6 Weeks |
Mount | Surface Mount | Surface Mount | - |
Mounting Type | Surface Mount | Surface Mount | Surface Mount |
Package / Case | 8-SOIC (0.154, 3.90mm Width) | 8-SOIC (0.154, 3.90mm Width) | 8-SOIC (0.154, 3.90mm Width) |
Number of Pins | 8 | 8 | 8 |
Memory Types | Volatile | Non-Volatile | Non-Volatile |
Current - Supply (Nom) | 10mA | 3mA | 5mA |
Operating Temperature | -40°C~85°C TA | -40°C~85°C TA | -40°C~85°C TA |
Packaging | Tube | Tube | Tube |
Published | 2009 | 1997 | 2005 |
JESD-609 Code | e3 | e4 | e3 |
Pbfree Code | yes | yes | yes |
Part Status | Active | Active | Active |
Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) |
Number of Terminations | 8 | 8 | 8 |
ECCN Code | EAR99 | - | EAR99 |
Terminal Finish | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | - |
Voltage - Supply | 3.3V | 5V | 2.5V~5.5V |
Terminal Position | DUAL | DUAL | DUAL |
Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
Number of Functions | 1 | 1 | 1 |
Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 40 |
Base Part Number | 23K640 | AT24C64D | 25LC640 |
Interface | SPI, Serial | 2-Wire, I2C | SPI, Serial |
Memory Size | 64Kb 8K x 8 | 64Kb 8K x 8 | 64Kb 8K x 8 |
Number of Ports | 1 | - | - |
Clock Frequency | 20MHz | 1MHz | 2MHz |
Access Time | 25 ns | 550ns | 230 ns |
Memory Format | SRAM | EEPROM | EEPROM |
Memory Interface | SPI | I2C | SPI |
Output Characteristics | 3-STATE | - | - |
Address Bus Width | 1b | - | - |
Density | 64 kb | 64 kb | 64 kb |
Standby Current-Max | 0.000004A | 0.000001A | 0.000001A |
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 | 1.7V | - |
Height | 1.25mm | 1.75mm | 1.5mm |
Length | 4.9mm | 5.05mm | 4.9mm |
Width | 3.9mm | 3.99mm | 3.9mm |
REACH SVHC | No SVHC | No SVHC | No SVHC |
Radiation Hardening | No | No | No |
RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Lead Free | Lead Free | Lead Free | Lead Free |
Manufacturer Package Identifier | - | 8S1-8 | - |
Terminal Pitch | - | 1.27mm | 1.27mm |
Write Cycle Time - Word, Page | - | 5ms | 5ms |
Parallel/Serial | - | SERIAL | - |
Serial Bus Type | - | I2C | SPI |
Endurance | - | 1000000 Write/Erase Cycles | 100000 Write/Erase Cycles |
Write Cycle Time-Max (tWC) | - | 5ms | 5ms |
Data Retention Time-Min | - | 100 | 200 |
Write Protection | - | HARDWARE | HARDWARE/SOFTWARE |
I2C Control Byte | - | 1010DDDR | - |
Surface Mount | - | - | YES |
Contact Plating | - | - | Tin |
Additional Feature | - | - | 1000K ERASE/WRITE CYCLES; DATA RETENTION > 200 YEARS |
Power Supplies | - | - | 3/5V |
Voltage | - | - | 7V |
| Pricing(USD) | |||
| Grads Price | Quantity Unit Price 1+ $16.5244 10+ $15.589 100+ $14.7066 500+ $13.8742 1000+ $13.0888 | Quantity Unit Price 1+ $6.6969 10+ $6.3179 100+ $5.9603 500+ $5.6229 1000+ $5.3046 | Quantity Unit Price 1+ $12.6833 10+ $11.9654 100+ $11.2881 500+ $10.6492 1000+ $10.0464 |
| Availability | 10000 | 13100 | 12500 |
| Price | $16.5244 | $6.6969 | $12.6833 |
| Quantity |
In Stock : 10000