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25C160-I/P
Microchip Technology
IC EEPROM 16KBIT SPI 3MHZ 8DIP
1814 Pcs New Original In Stock
EEPROM Memory IC 16Kbit SPI 3 MHz 8-PDIP
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5.0 / 5.0
- (364 Ratings)
25C160-I/P
Product Overview
1414727
DiGi Electronics Part Number
25C160-I/P-DGManufacturer
Microchip Technology
25C160-I/P
Description
IC EEPROM 16KBIT SPI 3MHZ 8DIPInventory
1814 Pcs New Original In Stock
EEPROM Memory IC 16Kbit SPI 3 MHz 8-PDIP
Quantity
Minimum 1
Minimum 1
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25C160-I/P Technical Specifications
Category
Memory, Memory
Packaging
Tube
Series
-
Product Status
Active
DiGi-Electronics Programmable
Verified
Memory Type
Non-Volatile
Memory Format
EEPROM
Technology
EEPROM
Memory Size
16Kbit
Memory Organization
2K x 8
Memory Interface
SPI
Clock Frequency
3 MHz
Write Cycle Time - Word, Page
5ms
Voltage - Supply
4.5V ~ 5.5V
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-PDIP
Base Product Number
25C160
Datasheet & Documents
HTML Datasheet
25C160-I/P-DG
PCN Design/Specification
PdCu Bond Wire Update 21/Sep/2015
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
25C160-I/P-NDR
Standard Package
60
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Die besten Preise und eine erstklassige Nachverkaufsbetreuung. Ich bin sehr zufrieden.
de desembre 02, 2025
Thanks to their price advantage, I can keep my devices updated regularly.
de desembre 02, 2025
DiGi Electronics makes it simple to find what I need, with fantastic cost-performance.
de desembre 02, 2025
DiGi Electronics demonstrates excellent control over their inventory, which benefits me directly.
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Frequently Asked Questions (FAQ)
Can I replace the Microchip 25C160-I/P with a 25LC160-I/P in an existing 5V industrial control board without redesigning the PCB or firmware?
Yes, the 25LC160-I/P is a direct functional and pin-compatible replacement for the 25C160-I/P in 5V applications, as both operate from 4.5V to 5.5V and share the same 8-DIP package and SPI timing characteristics. However, verify that your firmware does not rely on subtle timing differences—while both support 3 MHz SPI clocking, the 25LC160 has a slightly faster typical write cycle time (3 ms vs. 5 ms), which could affect retry logic in time-critical routines. Also confirm that your system doesn’t use the 25C160’s specific hold or write-protect sequencing nuances; otherwise, firmware validation is recommended before full deployment.
What are the risks of using the 25C160-I/P in a high-vibration automotive environment where temperature swings between -30°C and 95°C, even though its rated range is -40°C to 85°C?
Operating the 25C160-I/P above 85°C—even intermittently—voids Microchip’s reliability guarantees and significantly increases the risk of data retention failure and write corruption. While the part may function briefly at 95°C, EEPROM endurance (typically 1 million cycles) degrades rapidly with temperature stress. Additionally, high vibration can exacerbate mechanical stress on the 8-DIP through-hole leads over time, leading to intermittent connections. For automotive use, consider upgrading to an AEC-Q100 qualified alternative like the M95M01-DR (STMicroelectronics) or switching to a SOIC-8 package with conformal coating. If you must use the 25C160-I/P, implement external temperature monitoring and derate its usage above 80°C with aggressive error-checking routines.
How does the 25C160-I/P compare to the 25LC160D-I/P in terms of long-term reliability and field failure rates in consumer IoT devices powered by unstable 5V supplies?
The 25LC160D-I/P is generally more robust than the 25C160-I/P under marginal power conditions due to its improved internal voltage regulation and tighter noise immunity on the /WP and /HOLD pins. In field deployments with brownouts or supply ripple, the 25C160-I/P is more prone to accidental writes or read errors if proper decoupling (100nF ceramic + 10µF bulk) isn’t implemented. The 'D' suffix in 25LC160D-I/P also indicates enhanced ESD protection (up to 8 kV HBM vs. 4 kV on the 25C160-I/P), which reduces early-life failures in high-static environments. For cost-sensitive but reliability-critical IoT nodes, the 25LC160D-I/P is a safer drop-in upgrade, though both require strict adherence to power sequencing and decoupling best practices.
Is it safe to share the SPI bus between the 25C160-I/P and a high-speed ADC like the MCP3208 without causing data corruption during simultaneous access?
Sharing the SPI bus between the 25C160-I/P and a high-speed peripheral like the MCP3208 is feasible but introduces timing and contention risks. The 25C160-I/P supports only up to 3 MHz SPI clocking, while the MCP3208 can run at 2.7V to 5.5V with clocks up to 1.8 MHz (5V) or 1.0 MHz (3.3V). To avoid corruption: (1) ensure the microcontroller strictly enforces chip-select (CS) isolation—never leave both devices selected simultaneously; (2) insert a 1–2 µs delay after deselecting one device before selecting the other to prevent glitches; and (3) avoid back-to-back transactions without bus idle time. Also, route CS lines separately and keep SPI traces short to minimize crosstalk. If your MCU lacks sufficient GPIOs for dedicated CS lines, use a 74HC138 decoder to manage selections cleanly.
What design precautions should I take when replacing a failed 25C160-I/P in a legacy medical device that uses battery-backed SRAM with periodic EEPROM logging, given concerns about write endurance and silent data corruption?
When replacing the 25C160-I/P in a safety-critical medical application, prioritize data integrity over convenience. First, implement a wear-leveling algorithm in firmware to distribute writes across the full 2K x 8 address space, as the 25C160-I/P’s 1 million write-cycle rating assumes uniform usage—concentrated writes on calibration blocks can cause premature failure. Second, add a CRC-8 checksum to each logged data block and verify it after every write. Third, use the /WP (write protect) pin tied to a supervisor IC that disables writes during power droops below 4.5V. Finally, consider migrating to a newer EEPROM with built-in ECC, such as the Microchip 24AA1025, which offers error detection and correction—though this requires PCB changes. Always validate the replacement under accelerated life testing that simulates 10+ years of logging cycles.
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25C160-I/P CAD Models
Microchip Technology 25C160-I/P PCB symbols & footprints
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