ICL3232ECV-16Z from RENESAS, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	C1+	passive	External charge-pump capacitor (voltage doubler) is connected to this lead.
2	V+	power_out	Internally generated positive transmitter supply (+5.5V); absolute maximum +7V to GND.
3	C1-	passive	External charge-pump capacitor (voltage doubler) is connected to this lead.
4	C2+	passive	External charge-pump capacitor (voltage inverter) is connected to this lead.
5	C2-	passive	External charge-pump capacitor (voltage inverter) is connected to this lead.
6	V-	power_out	Internally generated negative transmitter supply (-5.5V); absolute maximum -7V to GND.
7	T2OUT	output	±15kV ESD protected RS-232 level (nominally ±5.5V) transmitter 2 output.
8	R2IN	input	±15kV ESD protected RS-232 compatible receiver 2 input, accepts up to ±25V with 3kΩ to 7kΩ input resistance.
9	R2OUT	output	TTL/CMOS level receiver 2 output.
10	T2IN	input	TTL/CMOS compatible transmitter 2 input; connect to GND if unused.
11	T1IN	input	TTL/CMOS compatible transmitter 1 input; connect to GND if unused.
12	R1OUT	output	TTL/CMOS level receiver 1 output.
13	R1IN	input	±15kV ESD protected RS-232 compatible receiver 1 input, accepts up to ±25V with 3kΩ to 7kΩ input resistance.
14	T1OUT	output	±15kV ESD protected RS-232 level (nominally ±5.5V) transmitter 1 output.
15	GND	power_in	Ground connection.
16	VCC	power_in	System power supply input (3.0V to 5.5V).

Key specifications

Parameter	Value
Manufacturer	RENESAS
Package	TSSOP-16
Category	Interface ICs
Pins	16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Temperature Range (ICL32xxECX)		0		70	°C	ICL32xxECX	12
Supply Voltage (VCC)	VCC	3.3		5	V		12
Rx Input Voltage		-15		15	V		12
VCC to GND	VCC	-0.3		6	V		11
V+ to GND	V+	-0.3		7	V		11
V- to GND	V-	0.3		-7	V		11
V+ to V-				14	V		11
Input Voltages TIN, FORCEOFF, FORCEON, EN, SHDN		-0.3		6	V		11
RIN Input Voltage		-28		28	V		11
TOUT Output Voltage		-13.2		13.2	V		11
ROUT, INVALID Output Voltage		-0.3			V		11
Maximum Junction Temperature (Plastic Package)				150	°C		11
Maximum Storage Temperature Range		-65		150	°C		11
Supply Current, Automatic Power-Down Disabled (VCC = 3.15V)			0.3	1	mA	VCC = 3.15V; all outputs unloaded; FORCEON = FORCEOFF = SHDN = VCC; 25°C	12
Input Logic Threshold Low				0.8	V	TIN, FORCEON, FORCEOFF, EN, SHDN; Full	12
Input Logic Threshold High (VCC = 3.3V)		2			V	VCC = 3.3V; TIN, FORCEON, FORCEOFF, EN, SHDN; Full	12
Input Logic Threshold High (VCC = 5.0V)		2.4			V	VCC = 5.0V; TIN, FORCEON, FORCEOFF, EN, SHDN; Full	12
Input Leakage Current		-1	0.01	1	µA	TIN, FORCEON, FORCEOFF, EN, SHDN; Full	12
Output Voltage Low	VOL			0.4	V	IOUT = 1.6mA; Full	12
INVALID Output Voltage Low				0.4	V	IOUT = 1.6mA; Full	12
Receiver Input Voltage Range		-25		25	V	25°C	13
Receiver Input Threshold Low (VCC = 3.3V)		0.6	1.2		V	VCC = 3.3V; 25°C	13
Receiver Input Threshold Low (VCC = 5.0V)		0.8	1.5		V	VCC = 5.0V; 25°C	13
Receiver Input Threshold High (VCC = 3.3V)			1.5	2.4	V	VCC = 3.3V; 25°C	13
Receiver Input Threshold High (VCC = 5.0V)			1.8	2.4	V	VCC = 5.0V; 25°C	13
Input Resistance		3	5	7	kΩ	25°C	13
Output Voltage Swing		-5	5.4		V	All transmitter outputs loaded with 3kΩ to ground; Full	13
Output Resistance		300			Ω	VCC = V+ = V- = 0V; transmitter output = ±2V; Full	13
Output Short-Circuit Current		-60	35	60	mA	Full	13
Output Leakage Current		-25		25	µA	VOUT = ±12V, VCC = 0V or 3V to 5.5V, automatic power-down or FORCEOFF = SHDN = GND; Full	13
Maximum Data Rate		250	500		kbps	RL = 3kΩ, CL = 1000pF, one transmitter switching; Full	13
Transition Region Slew Rate (CL = 150pF to 2500pF)		4		30	V/µs	VCC = 3.3V, RL = 3kΩ to 7kΩ, 3V to -3V or -3V to 3V; 25°C	13
Transition Region Slew Rate (CL = 150pF to 1000pF)		6		30	V/µs	VCC = 3.3V, RL = 3kΩ to 7kΩ, 3V to -3V or -3V to 3V; 25°C	13
Thermal Resistance θJA, 16 Ld TSSOP Package	θJA		145		°C/W	Note 4: free air, low-effective thermal conductivity test board	11

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
contacts		tin	C2- External capacitor (voltage inverter) is connected to this lead TIN TTL/CMOS compatible transmitter inputs	10

CAD (KiCad official)

Symbol: ICL3232ECV-16Z
Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
3D model: TSSOP-16 (KiCad packages3D, STEP)
3D model files: icl3232ecv-16z-etched.step / icl3232ecv-16z-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); icl3232ecv-16z.step / icl3232ecv-16z.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: RENESAS datasheet (39 pp, sha256 d263fc23b7ec8030, retrieved 2026-10-30, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

ICL3232ECV-16Z

Verified ICL3232ECV-16Z

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

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