| Mfr. Part # | 93C66BT-I/MS | BR93L66RFVT-WE2 | BR93L66RF-WE2 |
| Manufacturer | Microchip Technology | ROHM Semiconductor | ROHM Semiconductor |
| Description | IC EEPROM 4K SPI 2MHZ 8MSOP | IC EEPROM 4K SPI 2MHZ 8TSSOP | IC EEPROM 4K SPI 2MHZ 8SOP |
| Datasheet | |||
| RoHS | |||
| Specifications | |||
Factory Lead Time | 7 Weeks | - | 11 Weeks |
Contact Plating | Tin | - | Copper, Tin |
Mount | Surface Mount | Surface Mount | Surface Mount |
Mounting Type | Surface Mount | Surface Mount | Surface Mount |
Package / Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | 8-TSSOP (0.173, 4.40mm Width) | 8-SOIC (0.173, 4.40mm Width) |
Number of Pins | 8 | 8 | 8 |
Memory Types | Non-Volatile | Non-Volatile | Non-Volatile |
Current - Supply (Nom) | 2mA | 4.5mA | 4.5mA |
Operating Temperature | -40°C~85°C TA | -40°C~85°C TA | -40°C~85°C TA |
Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
Published | 2008 | 2009 | 2009 |
JESD-609 Code | e3 | e2 | - |
Pbfree Code | yes | yes | yes |
Part Status | Active | Active | Active |
Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Number of Terminations | 8 | 8 | 8 |
ECCN Code | EAR99 | EAR99 | EAR99 |
Voltage - Supply | 5V | 5V | 5V |
Terminal Position | DUAL | DUAL | DUAL |
Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
Number of Functions | 1 | 1 | 1 |
Terminal Pitch | 0.65mm | 0.65mm | 1.27mm |
Time@Peak Reflow Temperature-Max (s) | 40 | 10 | 10 |
Base Part Number | 93C66B | BR93L66 | BR93L66 |
Power Supplies | 5V | - | - |
Interface | Serial | Serial | Serial |
Memory Size | 4Kb 256 x 16 | 4Kb 256 x 16 | 4Kb 256 x 16 |
Clock Frequency | 2MHz | 2MHz | 2MHz |
Access Time | 250 ns | 200 ns | 200 ns |
Memory Format | EEPROM | EEPROM | EEPROM |
Memory Interface | SPI | SPI | SPI |
Organization | 256X16 | 256X16 | 256X16 |
Memory Width | 16 | 16 | 16 |
Write Cycle Time - Word, Page | 2ms | 5ms | 5ms |
Density | 4 kb | 4 kb | 4 kb |
Standby Current-Max | 0.000001A | 0.000002A | 0.000002A |
Serial Bus Type | MICROWIRE | MICROWIRE | MICROWIRE |
Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles |
Write Cycle Time-Max (tWC) | 2ms | 5ms | 5ms |
Data Retention Time-Min | 200 | 40 | 40 |
Write Protection | SOFTWARE | SOFTWARE | SOFTWARE |
Length | 3mm | 4.4mm | 5mm |
Height Seated (Max) | 1.1mm | 1.2mm | 1.6mm |
Width | 3mm | 3mm | 4.4mm |
Radiation Hardening | No | No | No |
RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Lead Free | Lead Free | Lead Free | Lead Free |
Terminal Finish | - | TIN COPPER | - |
Termination | - | - | SMD/SMT |
REACH SVHC | - | - | Unknown |
| Pricing(USD) | |||
| Grads Price | Quantity Unit Price 1+ $5.1051 10+ $4.8161 100+ $4.5435 500+ $4.2863 1000+ $4.0437 | - | Quantity Unit Price 1+ $5.4787 10+ $5.1686 100+ $4.876 500+ $4.6 1000+ $4.3396 |
| Availability | 33 | 3000 | 2450 |
| Price | $5.1051 | - | $5.4787 |
| Quantity |
In Stock : 33