Features • • • • • • • • • • • • • Supply Voltage up to 40 V RDSon Typically 0.5 Ω at 25°C, Maximum 1 Ω at 150°C Up to 1.5 A Output Current Three Half-bridge Outputs Formed by Three High-side and Three Low-side Drivers Capable to Switch all Kinds of Loads Such as DC Motors, Bulbs, Resistors, Capacitors and Inductors No Shoot-through Current Very Low Quiescent Current IS < 5 µA in Standby Mode versus Total Temperature Range Outputs Short-circuit Protected Overtemperature Protection for Each Switch and Overtemperature Prewarning Undervoltage Protection Various Diagnostic Functions Such as Shorted Output, Open-load, Overtemperature and Power-supply Fail Detection Serial Data Interface, Daisy Chain Capable, up to 2 MHz Clock Frequency SO14 Power Package Description The T6818/T6828 are fully protected driver interfaces designed in 0.8-µm BCDMOS technology. They are used to control up to 3 different loads by a microcontroller in automotive and industrial applications. Triple Halfbridge DMOS Output Driver with Serial Input Control T6818/T6828 Each of the 3 high-side and 3 low-side drivers is capable to drive currents up to 1.5 A. The drivers are internally connected to form 3 half-bridges and can be controlled separately from a standard serial data interface. Therefore, all kinds of loads such as bulbs, resistors, capacitors and inductors can be combined. The IC design especially supports the application of H-bridges to drive DC motors. Protection is guaranteed regarding short-circuit conditions, overtemperature and under voltage. Various diagnostic functions and a ver y low quiescent current in stand-by-mode opens a wide range of applications. Automotive qualification (protection against conducted interferences, EMC protection and 2-kV ESD protection) gives added value and enhanced quality for exacting requirements of automotive applications. Rev. 4530C–BCD–11/03 Figure 1. Block Diagram n. u. n. u. O C S n. u. n. u. n. u. n. u. n. u. n. u. H S 3 Input register Output register DI 5 P S F O P L S C D n. u. n. u. L S 3 H S 2 L S 2 H S 1 L S 1 S R R 3 Serial interface n. u. n. u. n. u. n. u. H S 3 L S 3 H S 2 L S 2 H S 1 L S 1 VS Charge pump T P CLK 6 CS UV protection 4 Fault detect INH Fault detect Fault detect 11 10 Control logic DO 9 VCC Power-on reset 1 7 Fault detect Fault detect 2 OUT3 2 Fault detect 12 OUT2 Thermal protection 8 14 GND GND GND GND 13 OUT1 T6818/T6828 4530C–BCD–11/03 T6818/T6828 Pin Configuration Figure 2. Pining SO14 GND OUT3 VS CS DI CLK GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 GND OUT1 OUT2 VCC INH DO GND Pin Description Pin Symbol Function 1 GND T6818: ground; reference potential; internal connection to pin 7, 8 and 14; cooling tab T6828: additional connection to heat slug 2 OUT3 Half-bridge output 3; formed by internally connected power MOS high-side switch 3 and low-side switch 3 with internal reverse diodes; short circuit protection; overtemperature protection; diagnosis for short and open load 3 VS Power supply for output stages OUT1, OUT2 and OUT3, internal supply 4 CS Chip select input; 5-V CMOS logic level input with internal pull up; low = serial communication is enabled, high = disabled 5 DI Serial data input; 5-V CMOS logic level input with internal pull down; receives serial data from the control device; DI expects a 16-bit control word with LSB being transferred first 6 CLK Serial clock input; 5-V CMOS logic level input with internal pull down; controls serial data input interface and internal shift register (fmax = 2 MHz) 7 GND Ground; see pin 1 8 GND Ground; see pin 1 9 DO Serial data output; 5-V CMOS logic level tristate output for output (status) register data; sends 16-bit status information to the microcontroller (LSB is transferred first); output will remain tristated unless device is selected by CS = low, therefore, several ICs can operate on one data output line only. 10 INH Inhibit input; 5-V logic input with internal pull down; low = standby, high = normal operation 11 VCC Logic supply voltage (5 V) 12 OUT2 Half-bridge output 2; see pin 2 13 OUT1 Half-bridge output 1; see pin 2 14 GND Ground; see pin 1 3 4530C–BCD–11/03 Functional Description Serial Interface Data transfer starts with the falling edge of the CS signal. Data must appear at DI synchronized to CLK and are accepted on the falling edge of the CLK signal. LSB (bit 0, SRR) has to be transferred first. Execution of new input data is enabled on the rising edge of the CS signal. When CS is high, pin DO is in tristate condition. This output is enabled on the falling edge of CS. Output data will change their state with the rising edge of CLK and stay stable until the next rising edge of CLK appears. LSB (bit 0, TP) is transferred first. Figure 3. Data Transfer CS SRR DI 0 LS1 1 HS1 2 LS2 3 HS2 4 LS3 5 HS3 n. u. n. u. n. u. 6 7 8 9 S3H n. u. n. u. n. u. n. u. 10 n. u. 11 n. u. 12 OCS 13 n. u. 14 n. u. 15 CLK TP DO S1L S1H S2L S2H S3L n. u. n. u. n. u. SCD OPL PSF Table 1. Input Data Protocol 4 Bit Input Register Function 0 SRR Status register reset (high = reset; the bits PSF, OPL and SCD in the output data register are set to low) 1 LS1 Controls output LS1 (high = switch output LS1 on) 2 HS1 Controls output HS1 (high = switch output HS1 on) 3 LS2 See LS1 4 HS2 See HS1 5 LS3 See LS1 6 HS3 See HS1 7 n. u. Not used 8 n. u. Not used 9 n. u. Not used 10 n. u. Not used 11 n. u. Not used 12 n. u. Not used 13 OCS Overcurrent shutdown (high = overcurrent shutdown is active) 14 n. u. Not used 15 n. u. Not used T6818/T6828 4530C–BCD–11/03 T6818/T6828 Table 2. Output Data Protocol Output (Status) Register Bit Function 0 TP 1 Status LS1 Temperature prewarning: high = warning High = output is on, low = output is off; not affected by SRR 2 Status HS1 High = output is on, low = output is off; not affected by SRR 3 Status LS2 Description see LS1 4 Status HS2 Description see HS1 5 Status LS3 Description see LS1 6 Status HS3 Description see HS1 7 n. u. Not used 8 n. u. Not used 9 n. u. Not used 10 n. u. Not used 11 n. u. Not used 12 n. u. Not used 13 SCD Short circuit detected: set high when at least one high-side or lowside switch is switched off by a short-circuit condition. Bits 1 to 6 can be used to detect the shorted switch. 14 OPL Open load detected: set high, when at least one active high-sideor low-side switch sinks/sources a current below the open load threshold current. 15 PSF Power-supply fail: undervoltage at pin VS detected After power-on reset, the input register has the following status: Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 (OCS) x x H x x x x x x Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (HS3) (LS3) (HS2) (LS2) (HS1) (LS1) (SRR) L L L L L L L The following patterns are used to enable internal test modes of the IC. It is not recommended to use these patterns during normal operation. Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 (OCS) H H H H H L L L L Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (HS3) (LS3) (HS2) (LS2) (HS1) (LS1) (SRR) L L L L L L L H H H L L H H L L L L L L L L L H H H L L L L H H L L L L L L L 5 4530C–BCD–11/03 Power-supply Fail In case of undervoltage at pin VS, the Power-Supply Fail bit (PSF) in the output register is set and all outputs are disabled. To detect an undervoltage, its duration has to last longer than the undervoltage detection delay time tdUV. The outputs are enabled immediately when supply voltage recovers normal operation value. The PSF bit stays high until it is reset by the SRR bit in the input register. Open-load Detection If the current through a high-side or low-side switch in ON-state stays below the openload detection threshold, the open-load detection bit (OPL) in the output register is set. The OPL bit stays high until it is reset by the SRR bit in the input register. To detect an open load, its duration has to last longer than the open-load detection delay time tdSd. Overtemperature Protection If the junction temperature of one or more output stages exceeds the thermal prewarning threshold, TjPW set, the temperature prewarning bit (TP) in the output register is set. When the temperature falls below the thermal prewarning threshold, TjPW reset, the bit TP is reset. The TP bit can be read without transferring a complete 16-bit data word. The status of TP is available at pin DO with the falling edge of CS. After the microcontroller has read this information, CS is set high and the data transfer is interrupted without affecting the status of input and output registers. If the junction temperature of one or more output stages exceeds the thermal shutdown threshold, Tj switch off, all outputs are disabled and the corresponding bits in the output register are set to low. The outputs can be enabled again when the temperature falls below the thermal shutdown threshold, Tjswitchon and the SRR bit in the input register is set to high. Hysteresis of thermal prewarning and shutdown threshold avoids oscillations. Short-circuit Protection The output currents are limited by a current regulator. Overcurrent detection is activated by writing a high to the OCS bit in the input register. When the current in an output stage exceeds the overcurrent limitation and shutdown theshold, it is switched off after a delay time (tdSd). The short-circuit detection bit (SCD) is set and the corresponding status bit in the output register is set to low. For OCS = low the overcurrent shutdown is inactive. The SCD bit is also set if the current exceeds the overcurrent limitation and shutdown threshold, but the outputs are not affected. By writing a high to the SRR bit in the input register the SCD bit is reset and the disabled outputs are enabled. Inhibit 0 V applied to pin 10 (INH) inhibits the T6818/T6828. All output switches are then turned off and switched to tristate. The data in the output register are deleted. The current consumption is reduced to less than 5 µA at pin VS and less than 25 µA at pin VCC. The output switches can be activated again by switching pin 10 (INH) to 5 V which initiates an internal power-on reset. 6 T6818/T6828 4530C–BCD–11/03 T6818/T6828 Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. All values refer to GND pins. Parameters Pin Symbol Value Unit Supply voltage 3 VVS -0.3 to +40 V Supply voltage t < 0.5 s; IS > -2 A 3 VVS -1 V Logic supply voltage 11 VVCC -0.3 to +7 V 4 to 6, 10 VCS,VDI, VCLK, VINH -0.3 to VVCC+0.3 V 9 VDO -0.3 to VVCC+0.3 V 4 to 6, 10 ICS,IDI, ICLK, IINH -10 to +10 mA 9 IDO -10 to +10 mA Logic input voltage Logic output voltage Input current Output current Output current 2, 12 and 13 IOut3, IOut2, IOut1 Internally limited, see output specification Output voltage 2, 12 and 13 IOut3, IOut2, IOut1 -0.3 to +40 V Reverse conducting current (tpulse = 150 µs) 2, 12 and 13 towards pin 3 IOut3, IOut2, IOut1 17 A Junction temperature range TJ -40 to +150 °C Storage temperature range TSTG -55 to +150 °C Thermal Resistance Parameters Test Conditions Symbol Value Unit RthJP 30 K/W RthJA 65 K/W RthJP 5 K/W RthJA 30 K/W T6818 Junction pin Measured to GND Pins 1, 7, 8 and 14 Junction ambient T6828 Junction pin Measured to heat slug GND pins 1, 7, 8 and 14 Junction ambient Operating Range Parameters Symbol Value (1) Unit Supply voltage VVS VUV to 40 V Logic supply voltage VVCC 4.75 to 5.25 V -0.3 to VVCC V fCLK 2 MHz Tj -40 to +150 °C Logic input voltage Serial interface clock frequency Junction temperature range Note: VCS,VDI, VCLK, VINH 1. Threshold for undervoltage detection 7 4530C–BCD–11/03 Noise and Surge Immunity Parameters Test Conditions Conducted interferences ISO 7637-1 Interference suppression VDE 0879 Part 2 ESD (Human Body Model) ESD S 5.1 ESD (Machine Model) JEDEC A115A Note: Value Level 4(1) Level 5 2 kV 200 V 1. Test pulse 5: Vsmax = 40 V Electrical Characteristics 7.5 V < VVS < 40 V; 4.75 V < VVCC < 5.25 V; INH = High; -40°C < Tj < 150°C; unless otherwise specified, all values refer to GND pins. No. 1 Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type* Current Consumption 1.1 Quiescent current VS 3 IVS 1 5 µA A 1.2 4.75 V < VVCC < 5.25 V, Quiescent current VCC INH = low 11 IVCC 15 25 µA A 1.3 Supply current VS VVS <20 V normal operating, all outputs off 3 IVS 4 6 mA A 1.4 Supply current VCC 4.75 V < VVCC < 5.25 V, normal operating 11 IVCC 350 500 µA A 1.5 Discharge current VS VVS = 32.5 V, INH = low 3 IVS 0.5 5.5 mA A 1.6 Discharge current VS VVS = 40 V, INH = low 3 IVS 2.5 10 mA A 11 VVCC 3.2 3.9 4.4 V A tdPor 30 95 190 µs A 5.6 7.0 V A V A 40 µs A 2 VVS < 20 V, INH = low Undervoltage Detection, Power-on Reset 2.1 Power-on reset threshold 2.2 Power-on reset delay time 2.3 Undervoltage-detection VCC = 5 V threshold 3 VUv 2.4 Undervoltage-detection VCC = 5 V hysteresis 3 DVUv 2.5 Undervoltage-detection delay time 3 After switching on VCC 0.6 tdUV 10 TjPW set 120 145 170 °C B 105 130 155 °C B °C B Thermal Prewarning and Shutdown 3.1 Thermal prewarning set 3.2 Thermal prewarning reset TjPW reset 3.3 Thermal prewarning hysteresis DTjPW 3.4 Thermal shutdown off Tj switch off 150 175 200 °C B 3.5 Thermal shutdown on Tj switch on 135 160 185 °C B 15 *) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. Delay time between rising edge of input signal at pin CS after data transmission and switch on output stages to 90% of final level. Device not in standby for t > 1 ms 8 T6818/T6828 4530C–BCD–11/03 T6818/T6828 Electrical Characteristics (Continued) 7.5 V < VVS < 40 V; 4.75 V < VVCC < 5.25 V; INH = High; -40°C < Tj < 150°C; unless otherwise specified, all values refer to GND pins. No. Parameters 3.6 Thermal shutdown hysteresis DTj switch off 3.7 Ratio thermal shutdown off/thermal prewarning set Tj switch off/ TjPW set 1.05 1.2 B 3.8 Ratio thermal shutdown on/thermal prewarning reset Tj switch on/ TjPW reset 1.05 1.2 B 4 Test Conditions Pin Symbol Min. Typ. Max. 15 Unit Type* °C B Output Specification (OUT1-OUT3) 4.1 IOut 1-3 = -1.3 A 2, 12, 13 RDS On1-3 1.1 W A IOut 1-3 = 1.3 A 2, 12, 13 RDS On1-3 1.1 W A µA A On resistance 4.2 4.3 High-side output leakage current VOut 1-3 = 0 V, output stages off 2, 12, 13 IOut 1-3 4.4 Low-side output leakage current VOut 1-3 = VVS, output stages off 2, 12, 13 IOut 1-3 200 µA A 4.5 High-side switch reverse diode forward voltage IOut 1-3 = 1.5 A 2, 12, 13 VOut 1-3 - VVS 1.5 V A 4.6 Low-side switch reverse IOut 1-3 = -1.5 A diode forward voltage 2, 12, 13 VOut 1-3 -1.5 V A 4.7 High-side overcurrent limitation and shutdown threshold 2, 12, 13 IOut 1-3 -2.5 -2 -1.5 A A 4.8 Low-side overcurrent limitation and shutdown threshold 2, 12, 13 IOut 1-3 1.5 2 2.5 A A 4.9 Overcurrent shutdown delay time tdSd 10 40 µs A 4.10 High-side open-load detection threshold 2, 12, 13 IOut1-3 -45 -30 -15 mA A 4.11 Low-side open-load detection threshold 2, 12, 13 IOut1-3 15 30 45 mA A 4.12 Open-load detection delay time tdSd 200 600 µs A 4.13 High-side output switch VVS = 13 V on delay(1) RLoad = 30 W tdon 20 µs A 4.14 Low-side output switch VVS = 13 V on delay(1) RLoad = 30 W tdon 20 µs A 4.15 High-side output switch VVS = 13 V off delay(1) RLoad = 30 W tdoff 20 µs A -15 *) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. Delay time between rising edge of input signal at pin CS after data transmission and switch on output stages to 90% of final level. Device not in standby for t > 1 ms 9 4530C–BCD–11/03 Electrical Characteristics (Continued) 7.5 V < VVS < 40 V; 4.75 V < VVCC < 5.25 V; INH = High; -40°C < Tj < 150°C; unless otherwise specified, all values refer to GND pins. No. Parameters 4.16 Low-side output switch VVS = 13 V RLoad = 30 W off delay(1) 4.17 Dead time between corresponding highand low-side switches 5 Test Conditions Pin Symbol Min. tdoff VVS = 13 V RLoad = 30 W Typ. Max. Unit Type* 3 µs A tdon - tdoff 1 µs A 0.3 ´ VVCC V A 0.7 ´ VVCC V A Logic Inputs DI, CLK, CS, INH 5.1 Input voltage low-level threshold 4-6, 10 VIL 5.2 Input voltage high-level threshold 4-6, 10 VIH 5.3 Hysteresis of input voltage 4-6, 10 DVI 50 700 mV B 5.4 Pull-down current pin DI, CLK, INH VDI, VCLK, VINH = VCC 5, 6, 10 IPD 10 65 µA A 5.5 Pull-up current Pin CS VCS = 0 V 4 IPU -65 -10 µA A 9 VDOL 0.4 V A V A 10 µA A 100 µs A 6 Serial Interface – Logic Output DO 6.1 Output-voltage low level IDOL = 2 mA 6.2 Output-voltage high level IDOL = -2 mA 9 VDOH VVCC 0.7 V 6.3 Leakage current (tristate) VCS = VCC 0V < VDO < VVCC 9 IDO -10 7 7.1 Inhibit Input - Timing Delay time from standby to normal operation tdINH *) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. Delay time between rising edge of input signal at pin CS after data transmission and switch on output stages to 90% of final level. Device not in standby for t > 1 ms 10 T6818/T6828 4530C–BCD–11/03 T6818/T6828 Serial Interface – Timing Pin Timing Chart No.(1) Symbol CDO = 100 pF 9 1 DO disable after CS rising edge CDO = 100 pF 9 8.3 DO fall time CDO = 100 pF 9 8.4 DO rise time CDO = 100 pF 9 8.5 DO valid time CDO = 100 pF 9 8.6 CS setup time 4 4 tCSSethl 8.7 CS setup time 4 8 8.8 CS high time 4 8.9 CLK high time 6 8.10 CLK low time 8.11 No. Parameters Test Conditions 8.1 DO enable after CS falling edge 8.2 Min. Typ. Max. Unit Type* tENDO 200 ns D 2 tDISDO 200 ns D - tDOf 100 ns D - tDOr 100 ns D 10 tDOVal 200 ns D 225 ns D tCSSetlh 225 ns D 9 tCSh 500 ns D 5 tCLKh 225 ns D 6 6 tCLKl 225 ns D CLK period time 6 - tCLKp 500 ns D 8.12 CLK setup time 6 7 tCLKSethl 225 ns D 8.13 CLK setup time 6 3 tCLKSetlh 225 ns D 8.14 DI setup time 5 11 tDIset 40 ns D 8.15 DI hold time 5 12 tDIHold 40 ns D *) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. See Figure 4 on page 12 11 4530C–BCD–11/03 Figure 4. Serial Interface Timing with Chart Numbers 1 2 CS DO 9 CS 4 7 CLK 5 3 6 8 DI 11 CLK 10 12 DO Inputs DI, CLK, CS: High level = 0.7 × VCC, low level = 0.3 × VCC Output DO: High level = 0.8 × VCC, low level = 0.2 × VCC 12 T6818/T6828 4530C–BCD–11/03 T6818/T6828 Application Circuit VCC U5021M Enable Trigger Reset Watchdog VS n. u. n. u. O C S n. u. n. u. n. u. n. u. n. u. n. u. H S 3 L S 3 H S 2 L S 2 H S 1 L S 1 S R R BYT41D 3 VS VBatt Microcontroller CLK CS 5 P S F O P L S C D n. n. u. u. DO n. u. n. u. n. u. n. u. H S 3 L S 3 H S 2 L S 2 H S 1 13 V Charge pump L T S P 1 6 Fault detect Fault detect VCC UV protection 4 Fault detect INH Serial interface 11 10 Control logic 9 VCC VCC 5V Power-on reset 1 GND + DI + Input register Output register 7 GND Fault detect Fault detect Fault detect Thermal protection 2 12 OUT3 8 14 GND GND 13 OUT1 OUT2 VCC M Application Notes M It is strongly recommended to connect the blocking capacitors at VCC and VS as close as possible to the power supply and GND pins. Recommended value for capacitors at VS: Electrolytic capacitor C > 22 µF in parallel with a ceramic capacitor C = 100 nF. Value for electrolytic capacitor depends on external loads, conducted interferences and reverse conducting current IOut1,2,3 (see “Absolute Maximum Ratings” on page 7). Recommended value for capacitors at VCC: Electrolytic capacitor C > 10 µF in parallel with a ceramic capacitor C = 100 nF. To reduce thermal resistance it is recommended to place cooling areas on the PCB as close as possible to the GND pins. Negative spikes at the output pins (e.g. negative spikes caused by an inductive load switched off with a high side driver) may activate the overtemperature protection function of the T6818/T6828. In this condition, all outputs will be switched off simultaneously. If this behavior is not acceptable or compatible with your application functionally, it is necessary, that for switching on required outputs again, the SRR bit (Status Register Reset) is set, to ensure a reset of the overtemperature function. 13 4530C–BCD–11/03 Ordering Information Extended Type Number Package Remarks T6818-TUS SO14 Power package, tubed T6818-TUQ SO14 Power package, taped and reeled T6828-TUS SO14 Power package with heat slug, tubed T6828-TUQ SO14 Power package with heat slug, taped and reeled Package Information Package SO14 5.2 4.8 Dimensions in mm 8.75 3.7 1.4 0.25 0.10 0.4 1.27 6.15 5.85 7.62 14 0.2 3.8 8 technical drawings according to DIN specifications 1 14 7 T6818/T6828 4530C–BCD–11/03 T6818/T6828 15 4530C–BCD–11/03 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel: (49) 71-31-67-0 Fax: (49) 71-31-67-2340 Microcontrollers 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel: (33) 2-40-18-18-18 Fax: (33) 2-40-18-19-60 ASIC/ASSP/Smart Cards 1150 East Cheyenne Mtn. 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The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life support devices or systems. © Atmel Corporation 2003. All rights reserved. Atmel ® and combinations thereof are the registered trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be the trademarks of others. Printed on recycled paper. 4530C–BCD–11/03