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93LC56T-I/SN
Microchip Technology
IC EEPROM 2KBIT MICROWIRE 8SOIC
2641 Pcs New Original In Stock
EEPROM Memory IC 2Kbit Microwire 2 MHz 8-SOIC
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5.0 / 5.0
- (172 Ratings)
93LC56T-I/SN
Product Overview
1235887
DiGi Electronics Part Number
93LC56T-I/SN-DGManufacturer
Microchip Technology
93LC56T-I/SN
Description
IC EEPROM 2KBIT MICROWIRE 8SOICInventory
2641 Pcs New Original In Stock
EEPROM Memory IC 2Kbit Microwire 2 MHz 8-SOIC
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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93LC56T-I/SN Technical Specifications
Category
Memory, Memory
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
DiGi-Electronics Programmable
Verified
Memory Type
Non-Volatile
Memory Format
EEPROM
Technology
EEPROM
Memory Size
2Kbit
Memory Organization
256 x 8, 128 x 16
Memory Interface
Microwire
Clock Frequency
2 MHz
Write Cycle Time - Word, Page
10ms
Voltage - Supply
2.5V ~ 5.5V
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
93LC56
Datasheet & Documents
HTML Datasheet
93LC56T-I/SN-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.32.0051
Additional Information
Other Names
93LC56T-I/SN-NDR
Standard Package
3,300
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Die Logistik ist auf höchstem Niveau. Meine Bestellungen kommen immer pünktlich und in einwandfreiem Zustand an.
Dec 02, 2025
Customer support was friendly and helped me with post-purchase questions.
Dec 02, 2025
Customer service is responsive, and the website provides clear information about delivery times.
Dec 02, 2025
DiGi Electronics makes electronics shopping both affordable and straightforward with their well-designed website.
Dec 02, 2025
DiGi Electronics makes shopping easy with reliable delivery and attentive customer support.
Dec 02, 2025
Shopping here is a delight because of their unwavering quality and open pricing policy.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the 93LC56T-I/SN in automotive under-hood applications, and how can I mitigate them despite its -40°C to 85°C rating?
While the 93LC56T-I/SN is rated for -40°C to 85°C, sustained operation near thermal limits—especially in under-hood environments with high ambient temperatures and thermal cycling—can accelerate data retention degradation and increase bit error rates. To mitigate risk, maintain PCB copper pour under the device for heat dissipation, avoid placement near high-power components, and implement periodic memory scrubbing or checksum validation in firmware. Consider conformal coating if condensation is a concern, and validate long-term retention at 85°C with your specific write/erase cycle profile.
Can I directly replace a M93C56-WMN6P with the 93LC56T-I/SN in an existing 5V Microwire design without firmware changes?
Yes, but with critical caveats: both devices use the Microwire interface and support 5V operation, and the 93LC56T-I/SN is functionally compatible with the M93C56-WMN6P for basic read/write operations. However, timing margins differ slightly—the 93LC56T-I/SN has a max clock frequency of 2 MHz vs. the M93C56’s 3.3 MHz—so if your system pushes clock speed, reduce it to ≤2 MHz. Also verify that your firmware doesn’t rely on undocumented opcodes or timing assumptions from the STMicroelectronics part; test endurance under full operating conditions before deployment.
How does the 93LC56T-I/SN’s 10ms write cycle time impact real-time system design, and what strategies prevent data loss during power interruption?
The 10ms write cycle time of the 93LC56T-I/SN means the device cannot accept new commands during this period, creating a blocking window that can disrupt real-time control loops or logging systems. To prevent data loss, implement a small SRAM buffer (e.g., 16–32 bytes) to queue writes and use a brown-out detector to halt writes if VCC drops below 3.0V. Always complete pending writes before sleep modes, and consider wear-leveling algorithms if frequent small updates are required—this spreads writes across addresses to avoid localized degradation.
Is the 93LC56T-I/SN suitable for replacing a parallel EEPROM like the 24LC16B in a space-constrained industrial sensor node, and what interface trade-offs should I expect?
The 93LC56T-I/SN can replace the 24LC16B (I²C-based) in space-constrained designs due to its smaller 8-SOIC footprint and similar 2Kbit density, but you’ll trade I²C’s multi-device bus flexibility for Microwire’s simpler 3-wire (CS, SK, DI/DO) interface. Microwire requires dedicated GPIOs and offers no device addressing, so it’s only viable for single-EEPROM systems. Additionally, Microwire lacks built-in ACK/NACK signaling, so your MCU must manage timing precisely—ensure your microcontroller supports bit-banged or hardware Microwire timing with <5% clock jitter at 2 MHz.
Given the 93LC56T-I/SN’s MSL-1 rating, can I skip baking before reflow in high-volume production, and what handling precautions are still necessary?
Yes, you can skip pre-bake since the 93LC56T-I/SN is MSL-1 (unlimited floor life at ≤30°C/60% RH), making it ideal for high-volume SMT lines without dry-packaging logistics. However, standard ESD precautions still apply—use grounded workstations and avoid direct handling of pins. Store reels in low-humidity environments (<60% RH) to prevent oxidation of leads, and ensure your reflow profile stays within the peak temperature limit (typically 260°C for SOIC packages) to avoid delamination. Always verify solder joint integrity with AOI after first article builds.
Quality Assurance (QC)
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93LC56T-I/SN CAD Models
Microchip Technology 93LC56T-I/SN PCB symbols & footprints
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