Enabling Energy Efficient Solutions

Product Overview

I3T80: 0.35 µm Process Technology

Product Description
Providing the density of a 0.35 µm digital process, analog/mixed-signal capability and high voltage, the ON Semiconductor Intelligent Interface Technology I3T80 process is the answer to the need for increased digital content in a mixed-signal and/or high voltage environment. Featuring high voltage devices up to 80 V as well as digital and analog operation at 3.3 V, the I3T80 process family features a wide range of capabilities in a single IC.

Features

  • 3 to 5 metal layers
  • Metal to metal (MIM) linear capacitors
  • High, medium, and low resistivity polysilicon resistors
  • Floating high-voltage NDMOS and PDMOS transistors
  • Floating medium-voltage NDMOS
  • Floating high- and low-voltage diodes
  • Medium-voltage NPN bipolar transistors
  • Medium-voltage PNP bipolar transistors (collector grounded, high and low gain)
  • Zener zap diode for OTP• Buried zener diode for clamping
  • Polysilicon clamping diode
  • High- and medium-voltage floating metal capacitors
  • Deep n+ doped guard rings

Process Characteristics

Operating Voltage 3.3 V
Substrate Material N-epitaxy on P-sub, retrograde wells
Drawn Transistor Length 0.35 µm
Gate Oxide Thickness 7.0 nm
Contact/Via Size 0.4 µm
Contacted Gate Pitch 1.3 µm
Top Metal Thickness 1020 nm
Metal Pitch
   Metal 1 1.0 µm
   Metal 2 1.1 µm
   Top Metal 1.4 µm
Contacted Metal Pitch
   Metal 1/CNT 1.1 µm
   Metal 1/Via 1 1.2 µm
   Metal 2 to Top 1/Via 1.2 µm
Metal Composition AI/Cu
Isolation LOCOS
ILD Planarization USG/BPTEOS+CMP
IMD Planarization HDP/PETEOS+CMP

Sample Process Options

  Mask Layers
3 metal, 80 V, MIMC, HIPO, OTP 23
4 metal, 80 V, MIMC, HIPO, OTP 25
4 metal, 80 V, MIMC, HIPO, OTP, Flash EEPROM 28

Device Characteristics

(All Values Typical at 25°C)

Low-Voltage Transistors

NMOS Transistor Typical
Value
Unit
Vt (10/0.35, linear extrapolated) 0.59 V
Vmax=Vbd 3.6 V
IDS (10/0.35, Vds=Vgs=3.3 V) 530 µA/µm
PMOS Transistor
Vt (10/0.35, linear extrapolated) -0.57 V
Vmax=Vbd -3.6 V
IDS (10/0.35, Vds=Vgs=3.3 V) -250 µA/µm

Diodes

Zener Diode: PBZD (a=2µm) Typical
Value
Unit
Vz @ 100 µA 4.6 V
Rzener 45 Ω
Ileak @ Vz=0.5 V 200 nA
Zapping Zener Diode for OTP: UZZD
Vz @ 1 A 1.5 V
Vbd @ 10 mA 4.5 V
Ileak_max @ Vz= 1 V 1.4 mA
Floating High Voltage Diode: FID80
Vak_reverse, la=-100 nA >80 V
Vak_forw, lk=100 µA 0.79 V
Isub/IA, Va=0.7 V 0.5 %
Poly Diode for Gate Clamping: POLYD
Vreverse @ Ia=10 µA 6.8 V
Ileak/W @ Vrev=3.6 V <20 nA/µm

Bipolar Transistors

Vertical Medium-Voltage PNP: VPB (Parameter, E_area=0.64µm²) Typical
Value
Unit
Hfe @ Ic=10 µA 8 -
Bvceo @ Ic=1 µA -63 V
Bvces @ Ic=1 µA -67 V
Icmax 250 µA
Vertical Medium-Voltage “High Gain” PNP Transistor: VPHB (Parameter, E_area=0.64µm²) Typical
Value
Unit
Hfe @ Ic=100 nA 115 -
|Bvceo|@ Ic=1 µA >80 V
|Bvces|@ Ic=1 µA >100 V
Icmax 250 µA
Medium Voltage NPN (Parameter, E_area=16 µm²) Typical
Value
Unit
Hfe max 120 -
Bvceo @ Ic=1 µA 23 V
Bvces @ Ic=1 µA >80 V
|VEarly| >70 V

Capacitors (Parameter @ 25°C)

Type (Maximum Voltage) Typical
Value
Unit
Metal2/Metal2.5 Plate: MIMC (3.6 V) 1.5 fF/µm²
Metal1/Metal3 Plate (80 V) 0.1 fF/µm²
Poly/Metal3 Plate (80 V) 0.14 fF/µm²
Metal1/Metal3 Bar (80 V) 0.26 aF/µm/
finger
Poly/Metal3 Bar (80 V) 0.33 aF/µm/
finger

 

High-Voltage Transistors

Floating NMOS @ 80 V Typical
Value
Unit
Vt (10/0.35, linear extrapolated) 0.59 V
Vmax=Vfloat to P-substrate 80 V
Vmax=Vbd 3.6 V
IDS (10/0.35, Vds=Vgs=3.3 V) 530 µA/µm
Floating PMOS @ 80 V
Vt (10/0.35, linear extrapolated) -0.57 V
Vmax=Vfloat to P-substrate 80 V
Vmax=Vbd -3.6 V
IDS (10/0.35, Vds=Vgs=3.3 V) -250 µA/µm
Floating NDMOS for Switching Application: VFNDM80
Vt 0.54 V
Vmax=Vbd (higher if self protected) 70 V
Vgsmax (full lifetime) 3.6 V
Ids (Vds=40, Vgs=1.5 V) 100 µA/µm
Ron*Area (block of 16 fingers)
   Without isolation 180 mΩ*mm²
    With isolation 260 mΩ*mm²
Floating NDMOS for Analog Application: VFNDM80A
Vt 0.56 V
Vmax=Vbd (higher if self protected) 70 V
Vgsmax (full lifetime) 3.6 V
Ids (Vds=40, Vgs=1.5 V) 70 µA/µm
Ron*Area (block of 16 fingers)
   Without isolation 250 mΩ*mm²
    With isolation 325 mΩ*mm²
Floating Medium Voltage NDMOS
Vt 0.58 V
Vmax=Vbd 14 V
Vgsmax (full lifetime) 3.6 V
Ids (Vds=10 V, Vgs=+3.3 V) 300 µA/µm
Ron*Area 31 mΩ*mm²
Floating HV PMOS: LFPDM80
Vt (W=40mm) -0.56 V
Vmax=Vbd -70 V
Vgsmax (full lifetime) -3.6 V
Ids (Vds=-40V, Vgs=-1.5 V) 18.5 µA/µm
Ron*Area 280 mΩ*mm²
Floating PDMOS: LFPDMS
Vt -0.56 V
Vmax=Vbd -5.5 V
Vgsmax -3.6 V
Ids (Vds=-5 V, Vgs=-3.3 V) 96 µA/µm

Resistors (Parameter @ 25°C)

Resistor Type Typical
Value
Unit
High-Resistance Poly: HIPO 975 Ω/square
Salicided P+ Poly: LOPOR 2.4 Ω/square
Unsalicided P+ Poly: PPOLR 240 Ω/square
Unsalicided P+ in Mwell 64 Ω/square
Unsalicided N+ Poly: NPOLR 292 Ω/square
Unsalicided N+ in Pwell 47.5 Ω/square
Nwell under FOX (field oxide) 958 Ω/square
Nwell in AA (active area) 800 Ω/square
Pwell in AA (active area) 1755 Ω/square


Libraries

Standard Cell
Ultra High Density Core Cell
pn sum: 2.0
Area of 2-input nand (na21): 38.88 µm²
Gate density (na21 @ 100% utilization): 25.72 k gates/mm²
Scan Flop density (scan flops @100% utilization): 3.215 k ff/mm²
Average power (@ 3.3 V): 0.2929 µW/MHz/gate

Standard I/O
Fat Pad I/O Library (for core limited designs)
190.80 µm min in-line pad pitch
203.40 µm pad height
Tall Pad I/O Library (for pad limited designs)
97.20 µm min in-line pad pitch
374.40 µm pad height

Memory Options

RAM
Synchronous High Speed/High Temp Single Port SRAM
Minimum: 16 words x 2 bits
Maximum: 128 k bits
(ie: 16 k words x 8 bits, 8 k words x 16 bits, …)
Synchronous High Speed/High Temp Dual Port SRAM
Minimum: 16 words x 2 bits
Maximum: 128 k bits
(ie: 16 k words x 8 bits, 8 k words x 16 bits, …)
Low Power Synchronous SRAM
Minimum: 64 words x 4 bits
Maximum: 128 k bits
(ie: 16 k words x 8 bits, 8 k words x 16 bits, …)

ROM
Synchronous High Speed/High Temp Diffusion ROM
Minimum: 256 words x 4 bits
Maximum: 512 k bits
(ie: 64 k words x 8 bits, 32 k words x 16 bits, …)
Low Power Synchronous Via Programmable ROM
Minimum: 256 words x 4 bits
Maximum: 512 k bits
(ie: 64 k words x 8 bits, 32 k words x 16 bits, …)

Non-Volatile Memory
OTP – One Time Programmable
Fuse: Zener Diode optimized for low power zapping
Both Serial and Parallel Output Capability
In field programming available
Vector: Up to 320 bits
FLASH
Differential Bit Cell (Redundancy for High Reliability)
Sectore and multiple sector erase in 0.5s
Page program in 20 µs
Automotive qualification AEC-Q100
64K Byte storage
Internal Charge Pump provided
Memory Failure Rate: <1ppm with ECC

CAD Tool Compatibility

Digital Design
Synopsys Design Compiler
Cadence Verilog

Analog Design
Cadence DFII (4.4.6)
Spectre

Place and Route
Synopsys Apollo
Cadence Silicon Ensemble

Physical Verification
Mentor Graphics Calibre

For more information please contact your local sales support at www.onsemi.com