ICM7212IPL Equivalent & Substitute Parts

Part Overview

The ICM7212IPL is a 7-segment LED driver IC manufactured by Analog Devices Inc./Maxim Integrated, designed to drive 4-digit LED displays using BCD interface logic. This component operates with a supply voltage range of 4V to 6V and a maximum supply current of 200 mA. The ICM7212IPL is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The part is housed in a 40-pin DIP package (0.600", 15.24mm) and is mounted through-hole on PCBs.

Substiute Parts

ICM7212IPL

Analog Devices Inc./Maxim IntegratedIn Stock: 2289ICM7212IPL Datasheet

Current PartRFQ

CD74HC4511E

Texas InstrumentsIn Stock: 1746CD74HC4511E Datasheet

MFR RecommendedRFQ

CD74HCT4543E

Harris CorporationIn Stock: 28866CD74HCT4543E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ICM7212IPL are identified based on the following critical parameters:

• Display Type: LED
• Configuration: 7 Segment
• Interface: BCD
• Mounting Type: Through Hole
• Voltage Supply Range Compatibility: Overlap with 4V ~ 6V specification
• Operating Temperature Range: Support for the required thermal envelope

The identified substitutes are single-digit drivers (CD74HC4511E and CD74HCT4543E), which differ from the original 4-digit configuration. These parts maintain functional equivalence through BCD interface compatibility and 7-segment LED driving capability. However, multiple units would be required to replicate the 4-digit output capability of the ICM7212IPL in a system design.

Parameter Comparison

Engineering Selection Recommendations

CD74HC4511E is the preferred substitute for new designs. This part is manufactured by Texas Instruments and maintains active product status, ensuring long-term availability and supply chain reliability. The CD74HC4511E is ROHS3 compliant, meeting modern environmental and regulatory requirements. The voltage supply range of 2V to 6V encompasses the ICM7212IPL specification of 4V to 6V. The operating temperature range of -55°C to 125°C exceeds the original part's -20°C to 85°C specification, providing broader thermal compatibility.

CD74HCT4543E is an alternative substitute but carries obsolete product status from Harris Corporation. While this part maintains BCD interface compatibility and 7-segment LED driving capability, its obsolete classification limits its suitability for new production. The voltage supply range of 4.5V to 5.5V is narrower than the original specification and does not fully cover the lower 4V boundary of the ICM7212IPL.

For applications requiring 4-digit display capability equivalent to the ICM7212IPL, multiple single-digit driver ICs (CD74HC4511E or CD74HCT4543E) must be cascaded or multiplexed in the circuit design.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4511E directly replace ICM7212IPL in existing PCB layouts?

A: No. The CD74HC4511E uses a 16-DIP package (0.300", 7.62mm) while the ICM7212IPL uses a 40-DIP package (0.600", 15.24mm). PCB footprint redesign is required. Additionally, the CD74HC4511E drives a single digit, whereas the ICM7212IPL drives four digits, necessitating circuit topology changes.

Q: What is the voltage compatibility between these parts?

A: The ICM7212IPL operates at 4V to 6V. The CD74HC4511E operates at 2V to 6V, providing full compatibility within the original specification range. The CD74HCT4543E operates at 4.5V to 5.5V, which covers most of the original range but does not extend to the 4V lower limit.

Q: Are these substitutes suitable for new product designs?

A: CD74HC4511E is suitable for new designs due to its active product status and ROHS3 compliance. CD74HCT4543E is not recommended for new designs due to its obsolete classification.

Q: How do I implement a 4-digit display using single-digit drivers?

A: Multiple CD74HC4511E or CD74HCT4543E ICs must be used in parallel, with each IC controlling one digit. Multiplexing logic or separate BCD input lines are required to address each digit independently.

Q: What are the key differences in current consumption?

A: The ICM7212IPL draws up to 200 mA supply current. The CD74HC4511E and CD74HCT4543E each draw only 8 µA, representing significantly lower power consumption per digit. Total system power consumption depends on the number of driver ICs and LED load characteristics.

Q: Are there any compliance differences I should consider?

A: The CD74HC4511E is ROHS3 compliant, meeting modern environmental standards. The ICM7212IPL and CD74HCT4543E are RoHS non-compliant. For applications subject to RoHS regulations, CD74HC4511E is the appropriate choice.