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Home > Products > Integrated Circuits (ICs) > Clock/Timing - Programmable Timers and Oscillators > ICM7217IPI+
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ICM7217IPI+

In Stock 2840 pcs Reference Price(In US Dollars)
1+
$10.6318
Manufacturer Part Number:
ICM7217IPI+
Manufacturer / Brand
Analog Devices Inc./Maxim Integrated
Part of Description:
IC OSC UP/DWN CNTR 2MHZ 28-DIP
Datasheets:
ICM7217IPI+(1).pdfICM7217IPI+(2).pdfICM7217IPI+(3).pdfICM7217IPI+(4).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 2840 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number ICM7217IPI+
Manufacturer / Brand Analog Devices Inc./Maxim Integrated
Stock Quantity 2840 pcs Stock
Category Integrated Circuits (ICs) > Clock/Timing - Programmable Timers and Oscillators
Description IC OSC UP/DWN CNTR 2MHZ 28-DIP
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Supply 4.5V ~ 5.5V
Type 4-Digit Up/Down Counter
Supplier Device Package 28-PDIP
Series -
Package / Case 28-DIP (0.600", 15.24mm)
Package Tube
Operating Temperature -20°C ~ 85°C
Mounting Type Through Hole
Frequency 2MHz
Current - Supply 200 mA
Count 9999
Base Product Number ICM7217

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Frequently Asked Questions

What are the key design constraints when integrating the ICM7217IPI+ into a 5V industrial control system with noisy power rails?
The ICM7217IPI+ operates within a 4.5V to 5.5V supply range and draws up to 200 mA, making it sensitive to voltage ripple and transient noise on the power rail. In industrial environments, it is recommended to use a low-ESR decoupling capacitor (e.g., 100 nF ceramic) placed within 5 mm of the VCC and GND pins, supplemented by a 10 µF bulk capacitor to mitigate high-frequency noise and ensure stable counting operation. Without proper decoupling, false clocking or counter resets may occur under load transients.
Can the ICM7217IPI+ be used in battery-powered applications requiring low standby current?
The ICM7217IPI+ is not suitable for battery-powered or low-power applications due to its typical supply current of 200 mA during active operation. This high current draw would rapidly deplete battery capacity, especially in continuous-counting modes. Engineers should consider low-power alternatives such as the CD4029 or 74HC393 for battery-operated systems where power efficiency is critical.
What are the implications of replacing the ICM7217IPI+ with a modern microcontroller-based counter solution in a legacy 28-DIP footprint design?
While a microcontroller (e.g., ATmega328P or PIC16F877A) can replicate the 4-digit up/down counting functionality of the ICM7217IPI+, migration introduces firmware complexity, clock source requirements, and potential timing jitter in high-frequency applications. The ICM7217IPI+ provides deterministic hardware-based counting at 2 MHz with minimal software overhead. A direct replacement may require PCB modifications due to differing pin functions and I/O voltage thresholds, and real-time performance must be validated under full load conditions.
Is the ICM7217IPI+ appropriate for high-reliability applications operating continuously at 85°C ambient temperature?
The ICM7217IPI+ has a maximum operating temperature of 85°C, but continuous operation at this limit may reduce long-term reliability due to increased junction temperature and electromigration risks. For high-reliability systems, derating the supply voltage to 5.0V and ensuring adequate airflow or thermal relief in the PCB layout is advised. Applications requiring extended lifetime under thermal stress should consider industrial-grade alternatives with wider temperature ranges or built-in thermal protection.
How does the ICM7217IPI+ handle clock signal integrity when driven from a long trace or external oscillator in a 2 MHz timing application?
At 2 MHz, the ICM7217IPI+ requires a clean, square-wave clock input with rise and fall times under 100 ns to ensure accurate edge detection. Long PCB traces or capacitive loading can distort the clock signal, leading to missed counts or double-counting. Use a low-output-impedance driver, series termination resistors (22–33 Ω), and minimize trace length to preserve signal integrity. For noisy environments, shielded routing or differential clocking should be considered.
Can the ICM7217IPI+ be directly interfaced with 3.3V logic systems without level shifting?
No, the ICM7217IPI+ requires a 4.5V to 5.5V supply and has input high-level thresholds typically above 3.15V (70% of VCC at 5V), making it incompatible with direct interfacing to 3.3V logic outputs. Attempting to drive its inputs from 3.3V CMOS may result in undefined logic states or marginal operation. A level-shifting circuit using MOSFETs or a dedicated translator IC (e.g., TXB0108) is required for reliable bidirectional communication.
What are the risks of using the ICM7217IPI+ in a system requiring frequent power cycling or hot-swap conditions?
The ICM7217IPI+ lacks built-in power-on reset (POR) circuitry, meaning the counter state at startup is undefined after power cycling. In systems with frequent power transitions, this can lead to incorrect initial counts or missed events. Designers must implement an external POR circuit or use a microcontroller to initialize the counter via the reset input. Additionally, hot-swap scenarios may induce latch-up if input signals exceed VCC during power-up; series current-limiting resistors and clamping diodes are recommended.
Are there pin-compatible drop-in replacements for the ICM7217IPI+ in a 28-PDIP package, and what trade-offs should be considered?
There are no direct pin-compatible drop-in replacements for the ICM7217IPI+ due to its specialized 4-digit up/down counter architecture. Alternative devices such as the MC145106 or CD40102 offer similar counting functions but differ in pinout, supply current, and maximum frequency. Migration may require schematic and layout changes, and timing characteristics must be re-evaluated. The ICM7217IPI+ remains preferred in legacy systems where form, fit, and function continuity are essential.
How should the ICM7217IPI+ be configured to prevent unintended count direction changes in electrically noisy environments?
The count direction control input (UP/DOWN) on the ICM7217IPI+ is level-sensitive and susceptible to noise-induced toggling. To prevent false direction changes, use a pull-up or pull-down resistor (10 kΩ) to define a default state and route the control signal away from high-speed digital lines. For critical applications, add an RC low-pass filter (e.g., 1 kΩ and 100 nF) at the input to suppress glitches below the logic threshold, ensuring stable counting behavior.
What long-term availability and obsolescence risks should engineers consider when designing with the ICM7217IPI+?
The ICM7217IPI+ is a mature component with no announced end-of-life status, but its through-hole 28-PDIP package and analog-centric design may limit future availability as industry shifts toward surface-mount and integrated solutions. Engineers should secure long-term supply agreements or qualify a second-source strategy. For new designs, consider modern programmable logic or MCU-based alternatives to mitigate future sourcing risks while maintaining functional equivalence to the ICM7217IPI+.

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