Microchip Technology 23K640-I/ST Memory Integrated Circuit
IC SRAM 64KBIT SPI 20MHZ 8TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
23K640-I/ST
Detailed Description
IC SRAM 64KBIT SPI 20MHZ 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Key Features
Package / Case: 8-TSSOP (0.173", 4.40mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
23K640-I/ST Datasheet
Quick Jump:
Technical Specifications
Microchip Technology 23K640-I/ST Memory Integrated Circuit technical specifications.
General
Series
23K640
Memory Size
64Kb (8K x 8)
Maximum Clock Frequency
20
RoHS
Compliant
Number of Pins
8
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 3.6V
Lifecycle Status
Active
Alternate Parts Comparison (23K640-I/ST vs 23LCV512-I/ST vs 23LC1024-E/ST vs 23LC512-I/ST)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 3.6V | 2.5V ~ 5.5V | 2.5V ~ 5.5V | 2.5V ~ 5.5V |
| Memory Size | 64Kb (8K x 8) | 512Kbit | 1 Mbit | 512Kb (64K x 8) |
| Maximum Clock Frequency | 20 | 20 | 16 | 20 |
| Number of Pins | 8 | 8 | 8 | 8 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Active | Active | Active |
| Address Bus Width Bit | 16 | 16 | 24 | 16 |
| Automotive | No | No | Yes | No |
| Clock Frequency | 20 MHz | 20 MHz | 16 MHz | 20 MHz |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
N64S830HAS22IonsemiSimilaronsemi
Pin YesPkg NoElec Yes
SRAM Memory IC 64Kbit SPI 20 MHz 8-SOIC
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