component
ICL3221ECAZ
Public Made by Adomby adom
RENESAS Pre-ordered Chips, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
ICL3221ECAZ
RENESAS · Pre-ordered Chips · SSOP-16-208mil
ICL3221ECAZ from RENESAS, in a SSOP-16-208mil. 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 | EN | input | Active low receiver enable control input (TTL/CMOS compatible, input low threshold 0.8V max). |
| 2 | C1+ | passive | External capacitor (voltage doubler) is connected to this lead. |
| 3 | V+ | power_out | Internally generated positive transmitter supply (+5.5V). |
| 4 | C1- | passive | External capacitor (voltage doubler) is connected to this lead. |
| 5 | C2+ | passive | External capacitor (voltage inverter) is connected to this lead. |
| 6 | C2- | passive | External capacitor (voltage inverter) is connected to this lead. |
| 7 | V- | power_out | Internally generated negative transmitter supply (-5.5V). |
| 8 | R1IN | input | ±15kV ESD protected, RS-232 compatible receiver input (absolute maximum ±28V). |
| 9 | R1OUT | output | TTL/CMOS level receiver output. |
| 10 | INVALID | output | Active low output that indicates no valid RS-232 levels are present on any receiver input. |
| 11 | T1IN | input | TTL/CMOS compatible transmitter input. |
| 12 | FORCEON | input | Active high input to override automatic power-down circuitry, which keeps transmitters active (FORCEOFF must be high). |
| 13 | T1OUT | output | ±15kV ESD protected, RS-232 level (nominally ±5.5V) transmitter output. |
| 14 | GND | power_in | Ground connection. |
| 15 | VCC | power_in | System power supply input (3.0V to 5.5V). |
| 16 | FORCEOFF | input | Active low to shut down transmitters and on-chip power supply, which overrides any automatic circuitry and FORCEON. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RENESAS |
| Package | SSOP-16-208mil |
| 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 |
|---|---|---|---|---|---|---|---|
| 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 | |||
| Maximum Junction Temperature (Plastic Package) | 150 | °C | 11 | ||||
| Maximum Storage Temperature Range | -65 | 150 | °C | 11 | |||
| Thermal Resistance θJA, 16 Ld SSOP Package | θJA | 135 | °C/W | Note 4 | 11 | ||
| Temperature Range ICL32xxECX | 0 | 70 | °C | ICL32xxECX | 12 | ||
| Supply Voltage (VCC) | VCC | 3.3 | 5 | V | 12 | ||
| Rx Input Voltage | -15 | 15 | V | 12 | |||
| Supply Current, Automatic Power-Down | 1 | 10 | µA | All RIN Open, FORCEON = GND, FORCEOFF = VCC (ICL3221E, ICL3223E, ICL3243E Only) | 12 | ||
| Supply Current, Power-Down | 1 | 10 | µA | FORCEOFF = SHDN = GND (Except ICL3232E) | 12 | ||
| Supply Current, Automatic Power-Down Disabled (VCC = 3.15V, ICL3221) | 0.3 | 1 | mA | All Outputs Unloaded, FORCEON = FORCEOFF = SHDN = VCC; VCC = 3.15V, ICL3221, ICL3222, ICL3223, ICL3232 | 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 | All but ICL3232EF; Full | 12 | |
| Output Leakage Current | -10 | 0.05 | 10 | µA | FORCEOFF = GND or EN = VCC (Except ICL3232E); Full | 12 | |
| Output Voltage Low | 0.4 | V | IOUT = 1.6mA; Full | 12 | |||
| INVALID Output Voltage Low | INVALID | 0.4 | V | IOUT = 1.6mA; Full | 12 | ||
| Receiver Input Threshold to Enable Transmitters | -2.7 | 2.7 | V | ICL32xxE Powers Up (see Figure 6 on page 14); Full | 12 | ||
| Receiver Input Threshold to Disable Transmitters | -0.3 | 0.3 | V | ICL32xxE Powers Down (see Figure 6 on page 14); Full | 12 | ||
| Receiver Threshold to Transmitters Enabled Delay | tWU | 100 | µs | 12 | |||
| Receiver Positive or Negative Threshold to INVALID High Delay | tINVH | 1 | µs | 12 | |||
| Receiver Positive or Negative Threshold to INVALID Low Delay | tINVL | 30 | µs | 13 | |||
| 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 | ||
| Receiver Input Hysteresis | 0.5 | V | 25°C | 13 | |||
| Receiver Input Resistance | 3 | 5 | 7 | kΩ | 25°C | 13 | |
| Transmitter Output Voltage Swing | 5 | 5.4 | V | All Transmitter Outputs Loaded with 3kΩ to Ground; Full | 13 | ||
| Transmitter Output Short-Circuit Current | 35 | 60 | mA | Full | 13 | ||
| Transmitter 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 | ||
| Receiver Propagation Delay tPHL | tPHL | 0.15 | µs | Receiver Input to Receiver Output, CL = 150pF; 25°C | 13 | ||
| Receiver Propagation Delay tPLH | tPLH | 0.15 | µs | Receiver Input to Receiver Output, CL = 150pF; 25°C | 13 | ||
| Receiver Output Enable Time | 200 | ns | Normal Operation (Except ICL3232E); 25°C | 13 | |||
| Receiver Output Disable Time | 200 | ns | Normal Operation (Except ICL3232E); 25°C | 13 | |||
| Transmitter Skew | 100 | ns | tPHL to tPLH; 25°C | 13 | |||
| Receiver Skew | 50 | ns | tPHL to tPLH; 25°C | 13 | |||
| Transition Region Slew Rate (CL = 150pF to 2500pF) | 4 | 30 | V/µs | VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V; CL = 150pF to 2500pF; 25°C | 13 | ||
| Transition Region Slew Rate (CL = 150pF to 1000pF) | 6 | 30 | V/µs | VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V; CL = 150pF to 1000pF; 25°C | 13 | ||
| ESD RS-232 Pins Human Body Model | 15 | kV | Human Body Model; 25°C | 13 | |||
| ESD RS-232 Pins IEC61000-4-2 Contact Discharge | 8 | kV | IEC61000-4-2 Contact Discharge; 25°C | 13 | |||
| ESD RS-232 Pins IEC61000-4-2 Air Gap Discharge | 15 | kV | IEC61000-4-2 Air Gap Discharge; 25°C | 13 | |||
| ESD All Other Pins Human Body Model | 2 | kV | Human Body Model; 25°C | 13 |
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:
ICL3221ECAZ - Footprint:
Package_SO:SSOP-16_5.3x6.2mm_P0.65mm - 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
- 3D model files:
icl3221ecaz-etched.step/icl3221ecaz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);icl3221ecaz.step/icl3221ecaz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RENESAS datasheet (39 pp, sha256
d263fc23b7ec8030, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).
# ICL3221ECAZ
**RENESAS** · Pre-ordered Chips · SSOP-16-208mil
ICL3221ECAZ from RENESAS, in a SSOP-16-208mil. 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 | EN | input | Active low receiver enable control input (TTL/CMOS compatible, input low threshold 0.8V max). |
| 2 | C1+ | passive | External capacitor (voltage doubler) is connected to this lead. |
| 3 | V+ | power_out | Internally generated positive transmitter supply (+5.5V). |
| 4 | C1- | passive | External capacitor (voltage doubler) is connected to this lead. |
| 5 | C2+ | passive | External capacitor (voltage inverter) is connected to this lead. |
| 6 | C2- | passive | External capacitor (voltage inverter) is connected to this lead. |
| 7 | V- | power_out | Internally generated negative transmitter supply (-5.5V). |
| 8 | R1IN | input | ±15kV ESD protected, RS-232 compatible receiver input (absolute maximum ±28V). |
| 9 | R1OUT | output | TTL/CMOS level receiver output. |
| 10 | INVALID | output | Active low output that indicates no valid RS-232 levels are present on any receiver input. |
| 11 | T1IN | input | TTL/CMOS compatible transmitter input. |
| 12 | FORCEON | input | Active high input to override automatic power-down circuitry, which keeps transmitters active (FORCEOFF must be high). |
| 13 | T1OUT | output | ±15kV ESD protected, RS-232 level (nominally ±5.5V) transmitter output. |
| 14 | GND | power_in | Ground connection. |
| 15 | VCC | power_in | System power supply input (3.0V to 5.5V). |
| 16 | FORCEOFF | input | Active low to shut down transmitters and on-chip power supply, which overrides any automatic circuitry and FORCEON. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RENESAS |
| Package | SSOP-16-208mil |
| 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 |
|---|---|---|---|---|---|---|---|
| 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 |
| Maximum Junction Temperature (Plastic Package) | | | | 150 | °C | | 11 |
| Maximum Storage Temperature Range | | -65 | | 150 | °C | | 11 |
| Thermal Resistance θJA, 16 Ld SSOP Package | θJA | | 135 | | °C/W | Note 4 | 11 |
| Temperature Range ICL32xxECX | | 0 | | 70 | °C | ICL32xxECX | 12 |
| Supply Voltage (VCC) | VCC | 3.3 | | 5 | V | | 12 |
| Rx Input Voltage | | -15 | | 15 | V | | 12 |
| Supply Current, Automatic Power-Down | | | 1 | 10 | µA | All RIN Open, FORCEON = GND, FORCEOFF = VCC (ICL3221E, ICL3223E, ICL3243E Only) | 12 |
| Supply Current, Power-Down | | | 1 | 10 | µA | FORCEOFF = SHDN = GND (Except ICL3232E) | 12 |
| Supply Current, Automatic Power-Down Disabled (VCC = 3.15V, ICL3221) | | | 0.3 | 1 | mA | All Outputs Unloaded, FORCEON = FORCEOFF = SHDN = VCC; VCC = 3.15V, ICL3221, ICL3222, ICL3223, ICL3232 | 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 | All but ICL3232EF; Full | 12 |
| Output Leakage Current | | -10 | 0.05 | 10 | µA | FORCEOFF = GND or EN = VCC (Except ICL3232E); Full | 12 |
| Output Voltage Low | | | | 0.4 | V | IOUT = 1.6mA; Full | 12 |
| INVALID Output Voltage Low | INVALID | | | 0.4 | V | IOUT = 1.6mA; Full | 12 |
| Receiver Input Threshold to Enable Transmitters | | -2.7 | | 2.7 | V | ICL32xxE Powers Up (see Figure 6 on page 14); Full | 12 |
| Receiver Input Threshold to Disable Transmitters | | -0.3 | | 0.3 | V | ICL32xxE Powers Down (see Figure 6 on page 14); Full | 12 |
| Receiver Threshold to Transmitters Enabled Delay | tWU | | 100 | | µs | | 12 |
| Receiver Positive or Negative Threshold to INVALID High Delay | tINVH | | 1 | | µs | | 12 |
| Receiver Positive or Negative Threshold to INVALID Low Delay | tINVL | | 30 | | µs | | 13 |
| 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 |
| Receiver Input Hysteresis | | | 0.5 | | V | 25°C | 13 |
| Receiver Input Resistance | | 3 | 5 | 7 | kΩ | 25°C | 13 |
| Transmitter Output Voltage Swing | | 5 | 5.4 | | V | All Transmitter Outputs Loaded with 3kΩ to Ground; Full | 13 |
| Transmitter Output Short-Circuit Current | | | 35 | 60 | mA | Full | 13 |
| Transmitter 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 |
| Receiver Propagation Delay tPHL | tPHL | | 0.15 | | µs | Receiver Input to Receiver Output, CL = 150pF; 25°C | 13 |
| Receiver Propagation Delay tPLH | tPLH | | 0.15 | | µs | Receiver Input to Receiver Output, CL = 150pF; 25°C | 13 |
| Receiver Output Enable Time | | | 200 | | ns | Normal Operation (Except ICL3232E); 25°C | 13 |
| Receiver Output Disable Time | | | 200 | | ns | Normal Operation (Except ICL3232E); 25°C | 13 |
| Transmitter Skew | | | 100 | | ns | tPHL to tPLH; 25°C | 13 |
| Receiver Skew | | | 50 | | ns | tPHL to tPLH; 25°C | 13 |
| Transition Region Slew Rate (CL = 150pF to 2500pF) | | 4 | | 30 | V/µs | VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V; CL = 150pF to 2500pF; 25°C | 13 |
| Transition Region Slew Rate (CL = 150pF to 1000pF) | | 6 | | 30 | V/µs | VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V; CL = 150pF to 1000pF; 25°C | 13 |
| ESD RS-232 Pins Human Body Model | | | 15 | | kV | Human Body Model; 25°C | 13 |
| ESD RS-232 Pins IEC61000-4-2 Contact Discharge | | | 8 | | kV | IEC61000-4-2 Contact Discharge; 25°C | 13 |
| ESD RS-232 Pins IEC61000-4-2 Air Gap Discharge | | | 15 | | kV | IEC61000-4-2 Air Gap Discharge; 25°C | 13 |
| ESD All Other Pins Human Body Model | | | 2 | | kV | Human Body Model; 25°C | 13 |
## 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: `ICL3221ECAZ`
- Footprint: `Package_SO:SSOP-16_5.3x6.2mm_P0.65mm`
- 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
- 3D model files: `icl3221ecaz-etched.step` / `icl3221ecaz-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `icl3221ecaz.step` / `icl3221ecaz.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [RENESAS datasheet](docs/icl3221ecaz-datasheet.pdf) (39 pp, sha256 `d263fc23b7ec8030`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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](docs/icl3221ecaz-datasheet.pdf)