ICL7136CPL Display Driver 4.6 Digit 40-DIP Equivalent & Substitute Parts

Part Overview

The ICL7136CPL is a display driver IC designed for 4.6 digit LED/LCD applications with a 40-pin DIP package. Manufactured by Analog Devices Inc./Maxim Integrated, this component operates from a single 9V supply and is rated for 0°C to 70°C operating temperature. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Direct replacements and functional alternatives are available from active product lines that maintain core display driver functionality.

Substiute Parts

ICL7136CPL

Analog Devices Inc./Maxim IntegratedIn Stock: 2265ICL7136CPL Datasheet

Current PartRFQ

ICL7136CPL+

Analog Devices Inc./Maxim IntegratedIn Stock: 730ICL7136CPL+ Datasheet

DirectRFQ

ICM7228AIBIZ

Renesas Electronics CorporationIn Stock: 1394ICM7228AIBIZ Datasheet

MFR RecommendedRFQ

ICM7228AIPIZ

Renesas Electronics CorporationIn Stock: 1268ICM7228AIPIZ Datasheet

MFR RecommendedRFQ

ICM7228CIPIZ

Renesas Electronics CorporationIn Stock: 1697ICM7228CIPIZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ICL7136CPL is determined by the following criteria:

Direct Equivalent (Same Package, Same Manufacturer):

• ICL7136CPL+ maintains identical electrical specifications and 40-DIP package configuration. This is the active product line replacement with RoHS3 compliance and unlimited moisture sensitivity rating.

Functional Alternatives (Different Package, Different Manufacturer):

• ICM7228AIBIZ, ICM7228AIPIZ, and ICM7228CIPIZ are LED driver ICs from Renesas Electronics Corporation. These parts operate as 8-digit display drivers with 7-segment configuration. Substitution is possible when:
  • Application can accommodate different digit count (8 digits vs. 4.6 digits)
  • Circuit design can adapt to different package types (28-SOIC or 28-DIP vs. 40-DIP)
  • Supply voltage range 4V ~ 6V is compatible with system design (vs. 9V requirement)
  • Operating temperature range -40°C ~ 85°C meets or exceeds application requirements

The ICM7228 series represents a different functional class (LED driver vs. display driver) with expanded digit capacity and lower supply voltage requirements.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Recommended for Existing Designs): Select ICL7136CPL+ when the original 40-DIP through-hole package and 9V supply voltage are required. This part is the active product line equivalent with identical pinout and electrical characteristics. RoHS3 compliance and unlimited moisture sensitivity rating provide improved environmental compliance over the obsolete ICL7136CPL.

For New Designs or Design Revisions: The ICM7228 series (AIBIZ, AIPIZ, CIPIZ variants) offers active product status and extended operating temperature range (-40°C ~ 85°C). Selection among these three requires evaluation of:

• Mounting technology: ICM7228AIBIZ for surface mount applications; ICM7228AIPIZ and ICM7228CIPIZ for through-hole applications
• Moisture sensitivity requirements: ICM7228AIPIZ and ICM7228CIPIZ provide unlimited MSL rating; ICM7228AIBIZ rated MSL 3
• Supply voltage compatibility: 4V ~ 6V operation requires circuit redesign from 9V baseline

All substitute options carry RoHS3 compliance and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can ICL7136CPL+ be used as a direct drop-in replacement for ICL7136CPL? A: Yes. ICL7136CPL+ maintains identical pinout, package configuration (40-DIP), and electrical specifications (9V single supply, 4.6 digit resolution, 0°C ~ 70°C operating range). The primary difference is active product status and RoHS3 compliance.

Q: What are the key differences between ICL7136CPL and ICM7228 series parts? A: The ICM7228 series differs in three critical areas: (1) digit capacity—8 digits vs. 4.6 digits; (2) supply voltage—4V ~ 6V vs. 9V; (3) package options—28-pin SOIC or DIP vs. 40-pin DIP. These are functional alternatives, not direct replacements, requiring circuit redesign.

Q: Which ICM7228 variant should be selected for through-hole PCB assembly? A: Both ICM7228AIPIZ and ICM7228CIPIZ are available in 28-DIP through-hole packages. ICM7228AIBIZ is surface mount (28-SOIC) only. Selection between AIPIZ and CIPIZ depends on inventory availability and specific application requirements, as electrical specifications are identical.

Q: Are there moisture sensitivity concerns with substitute parts? A: ICL7136CPL+ maintains MSL 1 (unlimited) rating. ICM7228AIPIZ and ICM7228CIPIZ also carry MSL 1 rating. ICM7228AIBIZ is rated MSL 3 (168 hours), requiring controlled storage and handling for surface mount applications.

Q: Does substitution require PCB redesign? A: ICL7136CPL+ requires no PCB redesign—identical 40-DIP footprint. ICM7228 series substitution requires PCB redesign due to different package size (28-pin vs. 40-pin), different pinout, and different supply voltage requirements.