MAX3320AEAP+ Equivalent & Substitute Parts

Part Overview

The MAX3320AEAP+ is a 2/2 full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 20-SSOP surface mount package. This interface IC operates across a 3V to 5.5V supply range with a 250kbps data rate and 300mV receiver hysteresis, designed for serial communication applications requiring RS232 protocol compliance.

The MAX3320AEAP+ carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this transceiver.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX3320AEAP+
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Interface
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Data Rate	250kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Receiver Hysteresis	300mV
Mounting Type	Surface Mount
Package / Case	20-SSOP (0.209", 5.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the MAX3320AEAP+ are qualified based on strict parametric equivalence across the following critical criteria:

Substitution-Determining Parameters:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex Mode: Full
Data Rate: 250kbps
Voltage Supply Range: 3V ~ 5.5V
Operating Temperature Range: -40°C ~ 85°C
Receiver Hysteresis: 300mV
Package / Case: 20-SSOP (0.209", 5.30mm Width)
Mounting Type: Surface Mount

All identified substitute parts match these parameters exactly. Differences in product status, packaging format (Tube vs. standard), and moisture sensitivity level do not affect functional or electrical equivalence for circuit-level substitution.

Parameter Comparison

Parameter	MAX3320AEAP+	MAX3320BEAP+	MAX3320TEAP+	ICL3223IAZ
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Renesas Electronics Corporation
Protocol	RS232	RS232	RS232	RS232
Number of Drivers/Receivers	2/2	2/2	2/2	2/2
Duplex	Full	Full	Full	Full
Data Rate	250kbps	250kbps	250kbps	250kbps
Voltage - Supply	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Receiver Hysteresis	300mV	300mV	300mV	300mV
Package / Case	20-SSOP (0.209", 5.30mm Width)	20-SSOP (0.209", 5.30mm Width)	20-SSOP (0.209", 5.30mm Width)	20-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

MAX3320BEAP+ and MAX3320TEAP+ are direct parametric equivalents manufactured by Analog Devices Inc./Maxim Integrated with Active product status. Both parts maintain identical electrical specifications and package configuration to the MAX3320AEAP+. MAX3320TEAP+ offers higher current inventory availability (953 Pcs) compared to MAX3320BEAP+ (624 Pcs). Both are ROHS3 Compliant with MSL 1 rating.

ICL3223IAZ is a parametric equivalent manufactured by Renesas Electronics Corporation with Active product status. This part meets all electrical and mechanical substitution criteria and offers the highest inventory availability (1416 Pcs). The ICL3223IAZ carries an MSL 3 rating with 168-hour moisture sensitivity, requiring appropriate handling procedures during storage and assembly. ROHS3 compliance and REACH Unaffected status are maintained.

Selection between Analog Devices and Renesas alternatives depends on supply chain strategy, inventory requirements, and moisture handling capabilities in manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can MAX3320BEAP+ and MAX3320TEAP+ be used interchangeably with MAX3320AEAP+?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, data rates, voltage ranges, operating temperatures, and 20-SSOP package configuration. The primary difference is product status: MAX3320AEAP+ is Obsolete, while MAX3320BEAP+ and MAX3320TEAP+ are Active.

Q: Is ICL3223IAZ a suitable replacement for MAX3320AEAP+?

A: Yes. ICL3223IAZ meets all substitution criteria including RS232 protocol, 2/2 driver/receiver configuration, 250kbps data rate, 3V to 5.5V supply range, and 20-SSOP package. The manufacturer difference (Renesas vs. Analog Devices) does not affect functional equivalence. However, the MSL 3 rating requires controlled moisture handling during storage and assembly.

Q: What is the significance of MSL rating differences?

A: MSL (Moisture Sensitivity Level) indicates moisture absorption limits and baking requirements. MAX3320AEAP+, MAX3320BEAP+, and MAX3320TEAP+ carry MSL 1 (Unlimited), requiring no special moisture control. ICL3223IAZ carries MSL 3 (168 Hours), requiring storage in dry conditions and baking before reflow soldering if moisture absorption limits are exceeded.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. MAX3320BEAP+, MAX3320TEAP+, and ICL3223IAZ are all ROHS3 Compliant, matching the compliance status of MAX3320AEAP+.

Q: Can I use these parts in new designs or only for legacy system support?

A: MAX3320BEAP+, MAX3320TEAP+, and ICL3223IAZ all carry Active product status, making them suitable for both legacy system support and new design implementations. The MAX3320AEAP+ Obsolete status indicates it is no longer recommended for new designs.

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