Microchip, 256 kB EEPROM, 1000 ns 8-Pin SOIC Serial-SPI
- RS Stock No.:
- 197-5851
- Mfr. Part No.:
- AT93C66B-SSHM-T
- Brand:
- Microchip
Subtotal (1 reel of 4000 units)*
£820.00
(exc. VAT)
£984.00
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 11 February 2026
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Units | Per unit | Per Reel* |
|---|---|---|
| 4000 + | £0.205 | £820.00 |
*price indicative
- RS Stock No.:
- 197-5851
- Mfr. Part No.:
- AT93C66B-SSHM-T
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Memory Size | 256kB | |
| Product Type | EEPROM | |
| Interface Type | Serial-SPI | |
| Package Type | SOIC | |
| Mount Type | Surface | |
| Pin Count | 8 | |
| Organisation | 512 x 8/256 x 16 Bit | |
| Maximum Clock Frequency | 2MHz | |
| Minimum Supply Voltage | 1.7V | |
| Number of Bits per Word | 8 | |
| Maximum Supply Voltage | 5.5V | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | No | |
| Width | 6 mm | |
| Series | AT93C56B/66B | |
| Height | 1.75mm | |
| Length | 4.9mm | |
| Supply Current | 2mA | |
| Automotive Standard | AEC-Q100 | |
| Maximum Random Access Time | 1000ns | |
| Number of Words | 128256 | |
| Data Retention | 100year | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Memory Size 256kB | ||
Product Type EEPROM | ||
Interface Type Serial-SPI | ||
Package Type SOIC | ||
Mount Type Surface | ||
Pin Count 8 | ||
Organisation 512 x 8/256 x 16 Bit | ||
Maximum Clock Frequency 2MHz | ||
Minimum Supply Voltage 1.7V | ||
Number of Bits per Word 8 | ||
Maximum Supply Voltage 5.5V | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals No | ||
Width 6 mm | ||
Series AT93C56B/66B | ||
Height 1.75mm | ||
Length 4.9mm | ||
Supply Current 2mA | ||
Automotive Standard AEC-Q100 | ||
Maximum Random Access Time 1000ns | ||
Number of Words 128256 | ||
Data Retention 100year | ||
The Microchip AT93C66B series EEPROM is a 3 wire 4Kbit serial read only EEPROM. The device is optimized for use in many industrial and commercial applications where low‑power and low‑voltage operation are essential. It operates from 1.7V to 5.5V.
Industrial temperature range is -40°C to +85°C
Sequential read modes
2MHz clock rate (5V)
3-wire serial interface
Self-timed write cycle within 5 ms maximum
High reliability
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