HCC/HCF4099B 8-BIT ADDRESSABLE LATCH

Similar documents
HCC/HCF4015B DUAL 4-STAGE STATIC SHIFT REGISTER WITH SERIAL INPUT/PARALLEL OUTPUT

HCC4512B HCF4512B 8 CHANNEL DATA SELECTOR

HCC/HCF4035B 4-STAGE PARALLEL IN/PARALLEL OUT SHIFT REGISTER

. BCD-TO-DECIMAL DECODING OR BINARY- . HIGH DECODED OUTPUTDRIVE CAPABILITY . POSITIVE LOGIC INPUTS AND OUTPUTS : HCC/HCF4028B BCD-TO-DECIMAL DECODER

.PERMANENT REGISTER STORAGE WITH

HCC/HCF40182B LOOK-AHEAD CARRY GENERATOR

.MULTI-LINE DECODERS HCC4724B HCF4724B 8 BIT ADDRESSABLE LATCH

HCC/HCF4043B HCC/HCF4044B

.2 TTL-LOAD OUTPUT DRIVE CAPABILITY

HCF4030BEY 4030B QUAD EXCLUSIVE OR GATE

.HIGH SINK CURRENT FOR DRIVING 2 TTL

HCC/HCF40102B HCC/HCF40103B

HCC/HCF4034B 8-STAGE STATIC BIDIRECTIONAL PARALLEL/SERIAL INPUT/OUTPUT BUS REGISTER

HCC40108B HCF40108B. 4 x 4 MULTIPORT REGISTER FOUR 4-BIT REGISTERS ONE INPUT AND TWO OUTPUT BUSES UNLIMITED EXPANSION IN BIT AND WORD DIRECTION

HCC4076B HCF4076B 4 BIT D TYPE REGISTERS

HCC4051B/52B/53B HCF4051B/52B/53B

Obsolete Product(s) - Obsolete Product(s)

HCF4072B DUAL 4 INPUT OR GATE

HCF4012B DUAL 4 INPUT NAND GATE

HCF4099B 8 BIT ADDRESSABLE LATCH

.LOW ON RESISTANCE: 125Ω (typ.) OVER 15

HCF4040B RIPPLE-CARRY BINARY COUNTER/DIVIDERS 12 STAGE

HCF4000B DUAL 3-INPUT NOR GATE PLUS INVERTER

HCF4585B 4-BIT MAGNITUDE COMPARATOR

HCF4018B PRESETTABLE DIVIDE-BY-N COUNTER

HCF4017B DECADE COUNTER WITH 10 DECODED OUTPUTS

HCC/HCF4017B HCC/HCF4022B

HCF4050B HEX BUFFER/CONVERTER (NON INVERTING)

HCF4010B HEX BUFFER/CONVERTER (NON INVERTING)

. QUIESCENT CURRENT SPECIFIED TO 20V. . VERY LOW POWER CONSUMPTION : 100µW .OPERATING FREQUENCY RANGE : UP TO HCC/HCF4046B

Obsolete Product(s) - Obsolete Product(s)

Obsolete Product(s) - Obsolete Product(s)

HCF4077B QUAD EXCLUSIVE NOR GATE

HCF40107B DUAL 2-INPUT NAND BUFFER/DRIVER

HCF4044B QUAD NAND 3-STATE R-S LATCH

HCF4070B QUAD EXCLUSIVE OR GATE

HCF4020B RIPPLE-CARRY BINARY COUNTER/DIVIDERS 14 STAGE

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC155 M74HC155 DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER. tpd = 12 ns (TYP.

HCF4015B DUAL 4-STAGE STATIC SHIFT REGISTER WITH SERIAL INPUT/PARALLEL OUTPUT

Obsolete Product(s) - Obsolete Product(s)

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54HCT139 M74HCT139 DUAL 2 TO 4 DECODER/DEMULTIPLEXER. tpd = 17 ns (TYP.

HCF4041UB QUAD TRUE/COMPLEMENT BUFFER

Obsolete Product(s) - Obsolete Product(s)

HCF4538B DUAL MONOSTABLE MULTIVIBRATOR

HCF40100B 32-STAGE STATIC LEFT/RIGHT SHIFT REGISTER

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54/M74HC4518 M54/M74HC4520 HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC51 M74HC51 DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE. tpd = 10 ns (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC00 M74HC00 QUAD 2-INPUT NAND GATE. tpd = 6 ns (TYP.) AT VCC =5V

. LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M74HCT BIT ADDRESSABLE LATCH/DECODER/RELAIS DRIVER (OPEN DRAIN, INVERTING OUTPUT)

. HIGH SPEED .LOW POWER DISSIPATION .OUTPUT DRIVE CAPABILITY . HIGH NOISE IMMUNITY .SYMMETRICAL OUTPUT IMPEDANCE

HCF4527B BCD RATE MULTIPLEXER

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC09 M74HC09 QUAD 2-INPUT AND GATE (OPEN DRAIN) tpd = 6 ns (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC240/241/244 M74HC240/241/244

Obsolete Product(s) - Obsolete Product(s)

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC237 M74HC237 3 TO 8 LINE DECODER LATCH. tpd = 12 ns (TYP.

HCF4511B BCD TO SEVEN SEGMENT LATCH/DECODER/DRIVER

HCF40161B SYNCHRONOUS PROGRAMMABLE 4-BIT BINARY COUNTER WITH ASYNCHRONOUS CLEAR

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54HCT30 M74HCT30 8 INPUT NAND GATE. tpd = 15 ns (TYP.

HCF4094B 8 STAGE SHIFT AND STORE BUS REGISTER WITH 3-STATE OUTPUTS

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54/74HCT373 M54/74HCT533

Obsolete Product(s) - Obsolete Product(s)

. HIGH SPEED .LOW POWER DISSIPATION M54HC76 M74HC76 DUAL J-K FLIP FLOP WITH PRESET AND CLEAR. fmax = 65 MHz (TYP.) AT VCC =5V

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC259 M74HC259 8 BIT ADDRESSABLE LATCH. tpd = 15 ns (TYP.) at VCC =5V

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC4022 M74HC4022 OCTAL COUNTER/DIVIDER. fmax = 57 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .OUTPUT DRIVE CAPABILITY M54/74HC352 M54/74HC353

M74HCT241B1R 74HCT241 OCTAL TRI-STATE BUFFER (DIL20) M74HCT244B1R 74HCT244 OCTAL TRI-STATE BUFFER (DIL20)

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC109 M74HC109 DUAL J-K FLIP FLOP WITH PRESET AND CLEAR. f MAX = 63 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54/74HC374 M54/74HC534

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC107 M74HC107 DUAL J-K FLIP FLOP WITH CLEAR. fmax = 75 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC75 M74HC75 4 BIT D TYPE LATCH. tpd = 10 ns (TYP.) AT VCC =5V

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC4060 M74HC STAGE BINARY COUNTER/OSCILLATOR. fmax = 58 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54/74HC245/640/643 M54/74HC245/640/643

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC175 M74HC175 QUAD D-TYPE FLIP-FLOP WITH CLEAR. tpd = 13 ns (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54HCT75 M74HCT75 4 BIT D TYPE LATCH. tpd = 15 ns (TYP.

HCF40110B DECADE UP/DOWN COUNTER/DECODER/LATCH/DRIVER

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54/74HC40102 M54/74HC STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC113 M74HC113 DUAL J-K FLIP FLOP WITH PRESET. fmax = 71 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54/74HCT245/640/643 M54/74HCT245/640/643

M74HCT573B1R 74HCT573 OCTAL TRI-STATE TRANS LATCH

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC174 M74HC174 HEX D-TYPE FLIP FLOP WITH CLEAR. fmax = 71 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .OUTPUT DRIVE CAPABILITY M54HCT165 M74HCT165 8 BIT PISO SHIFT REGISTER. t PD = 17 ns (TYP.

HCF4029B PRESETTABLE UP/DOWN COUNTER BINARY OR BCD DECADE

HCF4097B ANALOG DIFFERENTIAL 8 CHANNEL MULTIPLEXER/DEMULTIPLEXER

HCF40103B 8-STAGE PRESETTABLE SYNCHRONOUS 8 BIT BINARY DOWN COUNTERS

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC112 M74HC112 DUAL J-K FLIP FLOP WITH PRESET AND CLEAR. fmax = 67 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC597 M74HC597 8 BIT LATCH/SHIFT REGISTER. fmax = 60 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54HC393 M74HC393 DUAL BINARY COUNTER. fmax = 72 MHz (TYP.) AT VCC =5V

. HIGH SPEED .LOW POWER DISSIPATION .OUTPUT DRIVE CAPABILITY M54HC164 M74HC164 8 BIT SIPO SHIFT REGISTER. t PD = 15 ns (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54HCT74 M74HCT74 DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M74HC646 M74HC648

Obsolete Product(s) - Obsolete Product(s)

QUAD BILATERAL SWITCH FOR TRANSMISSION OR MULTIPLEXING OF ANALOG OR DIGITAL SIGNALS

. HIGH SPEED .LOW POWER DISSIPATION .HIGH NOISE IMMUNITY M54/M74HC192 M54/M74HC193

Obsolete Product(s) - Obsolete Product(s)

M74HC51TTR DUAL 2 WIDE 2 INPUT AND/OR INVERT GATE

. HIGH SPEED .LOW POWER DISSIPATION .OUTPUT DRIVE CAPABILITY M54HC592 M74HC592 8 BIT REGISTER BINARY COUNTER. f MAX = 35 MHz (TYP.

. HIGH SPEED .LOW POWER DISSIPATION .COMPATIBLE WITH TTL OUTPUTS M54/74HCT564 M54/74HCT574

HCF4093. QUAD 2-input NAND Schmidt trigger. Features. Description

. HIGH SPEED .LOW POWER DISSIPATION M54HC590 M74HC590 8 BIT BINARY COUNTER REGISTER (3 STATE) f MAX = 62 MHz (TYP.) AT V CC =5V

. LOW POWER DISSIPATION .LOGIC LEVEL TRANSLATION TO ENABLE 5V . LOW ON RESISTANCE: .WIDE ANALOG INPUT VOLTAGE RANGE: ±6V .

Transcription:

8-BIT ADDRESSABLE LATCH SERIAL DATA INPUT - ACTIVE PARALLEL OUTPUT STORAGE REGISTER CAPABILITY - MASTER CLEAR CAN FUNCTION AS DEMULTIPLEXER STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE 5V, 10V, AND 15V PARAMETRIC RATINGS INPUT CURRENT OF100nA AT 18V AND 25 C. FOR HCC DEVICE 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC TEN- TATIVE STANDARD N. 13A, STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES EY Plastic Package M1 Micro Package F Ceramic Frit Seal Package C1 Plastic Chip Carrier ORDER CODES : HCC4099BF HCF4099BM1 HCF4099BEY HCF4099BC1 PIN CONNECTIONS DESCRIPTION The HCC4099B (extended temperature range) and HCF4099B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. The HCC/HCF4099B 8-bit addressable latch is a serial-input, parallel-output storage register that can perform a variety of functions. Data are inputted to a particular bit in the latch when that bit is addressed (by means of inputs A0, A1, A2) and when WRITE DISABLE is at a low level. When WRITE DISABLE is high, data entry is inhibited ; however, all 8 outputs can be continuously read independent of WRITE DISABLE and address inputs. A master RESET input is available, which resets all bits to a logic 0 level when RESET and WRITE DISABLE are at a high level. When RESET is at a high level, and WRITE DISABLE is at a low level, the latch acts as a 1-of-8 demultiplexer ; the bit that is addressed has an active output which follows the data input, while all unaddressed bits are held to a logic 0 level. September 1988 1/14

FUNCTIONAL DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V DD * Supply Voltage : HCC Types HCF Types 0.5 to + 20 0.5 to + 18 V V V i Input Voltage 0.5 to V DD + 0.5 V I I DC Input Current (any one input) ± 10 ma P tot Total Power Dissipation (per package) Dissipation per Output Transistor for T op = Full Package-temperature Range 200 100 mw mw T op Operating Temperature : HCC Types HCF Types 55 to + 125 40to+85 T stg Storage Temperature 65 to + 150 C Stresses above 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 above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for external periods may affect device reliability. * All voltage values are referred to V SS pin voltage. C C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit V DD Supply Voltage : HCC Types HCF Types 3to 18 3to 15 V I Input Voltage 0 to V DD V T op Operating Temperature : HCC Types HCF Types 55 to + 125 40to+85 V V C C 2/14

LOGIC DIAGRAM 1 of 8 latches Definition of WRITE DIABLE ON Time Mode Selection Types WD R Addressed Latch Unaddressed Latch A 0 0 Follows Data Holds Previous State B 0 1 Follows Data Reset to 0 (active high 8-channel demultiplexer) C 1 0 Holds Previous State D 1 1 Reset to 0 Reset to 0 WD = WRITE DISABLE R = RESET Master Timing Diagram 3/14

STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions) Test Conditions Value Symbol Parameter V I V O I O V DD T Low * 25 C T High * Unit (V) (V) (µa) (V) Min. Max. Min. Typ. Max. Min. Max. I L Quiescent 0/ 5 5 5 0.04 5 150 Current HCC 0/10 10 10 0.04 10 300 Types 0/15 15 20 0.04 20 600 0/20 20 100 0.08 100 3000 µa 0/ 5 5 20 0.04 20 150 HCF Types 0/10 10 40 0.04 40 300 0/15 15 80 0.04 80 600 V OH Output High 0/ 5 < 1 5 4.95 4.95 4.95 Voltage 0/10 < 1 10 9.95 9.95 9.95 V 0/15 < 1 15 14.95 14.95 14.95 V OL Output Low 5/0 < 1 5 0.05 0.05 0.05 Voltage 10/0 < 1 10 0.05 0.05 0.05 V 15/0 < 1 15 0.05 0.05 0.05 V IH Input High 0.5/4.5 < 1 5 3.5 3.5 3.5 Voltage 1/9 < 1 10 7 7 7 V 1.5/13.5 < 1 15 11 11 11 V IL Input Low 4.5/0.5 < 1 5 1.5 1.5 1.5 Voltage 9/1 < 1 10 3 3 3 V 13.5/1.5 < 1 15 4 4 4 I OH Output 0/ 5 2.5 5 2 1.6 3.2 1.15 Drive HCC 0/ 5 4.6 5 0.64 0.51 1 0.36 Current Types 0/10 9.5 10 1.6 1.3 2.6 0.9 0/15 13.5 15 4.2 3.4 6.8 2.4 ma 0/ 5 2.5 5 1.53 1.36 3.2 1.1 HCF 0/ 5 4.6 5 0.52 0.44 1 0.36 Types 0/10 9.5 10 1.3 1.1 2.6 0.9 0/15 13.5 15 3.6 3.0 6.8 2.4 I OL Output 0/ 5 0.4 5 0.64 0.51 1 0.36 Sink HCC 0/10 0.5 10 1.6 1.3 2.6 0.9 Current Types 0/15 1.5 15 4.2 3.4 6.8 2.4 ma 0/ 5 0.4 5 0.52 0.44 1 0.36 HCF Types 0/10 0.5 10 1.3 1.1 2.6 0.9 0/15 1.5 15 3.6 3.0 6.8 2.4 I IH,I IL Input HCC Leakage Types 0/18 18 ± 0.1 ±10 5 ± 0.1 ± 1 Any Input Current HCF Types 0/15 15 ± 0.3 ±10 5 ± 0.3 ± 1 µa C I Input Capacitance Any Input 5 7.5 pf *T LOW = 55 C for HCC device : 40 C for HCF device. *T HIGH = + 125 C for HCC device : + 85 C for HCF device. The Noise Margin for both 1 and 0 level is : 1V min. with V DD = 5V, 2V min. with V DD = 10V, 2.5V min. with V DD = 15V, 4/14

DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25 C, C L = 50pF, R L = 200kΩ, typical temperature coefficient for all V DD values is 0.3%/ C, all input rise and fall times = 20ns) Symbol t PLH,t PHL t PHL t THL,t TLH Propagation Delay Time Propagation Delay Time Transition Time Parameter t W Pulse Width Data Data to Output Test Conditions (see master timing diagram) (1) Write Disable to Output (2) Address to Output (9) Reset to Output (3) Value V DD (V) Min. Typ. Max. Unit 5 200 400 10 75 150 15 50 100 5 200 400 10 80 160 15 60 120 5 225 450 10 100 200 15 75 150 5 175 350 10 80 160 15 65 130 Any Output 5 100 200 Address Reset t setup Setup Time Data to Write Disable (6) t hold Hold Time Data to Write Disable (7) (4) (8) (5) 10 50 100 15 40 80 5 200 100 10 100 50 15 80 40 5 400 200 10 200 100 15 125 65 5 150 75 10 75 40 15 50 25 5 100 50 10 50 25 15 35 20 5 150 75 10 75 40 15 50 25 ns ns ns ns ns 5/14

Typical Output Low (sink) Current Characteristics. Minimum Output Low (sink) Current Characteristics. Typical Output High (source) Current Characteristics. Minimum Output High (source) Current Characteristics. Typical Propagation Delay Time (data to Qn) vs. Load Capacitance. Typical Transition Time vs. Load Capacitance. 6/14

Typical Dynamic power Dissipation vs. Address Cycle Time. TYPICAL APPLICATIONS A/D Converter 7/14

TYPICAL APPLICATIONS Multiple Selection Decoding 4x4 Crosspoint Switch 1 of 16 Decoder/demultiplexer 8/14

TEST CIRCUITS Quiescent Device Current. Input Voltage. Input Current. 9/14

Plastic DIP16 (0.25) MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. a1 0.51 0.020 B 0.77 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 D 20 0.787 E 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 F 7.1 0.280 I 5.1 0.201 L 3.3 0.130 Z 1.27 0.050 P001C 10/14

Ceramic DIP16/1 MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A 20 0.787 B 7 0.276 D 3.3 0.130 E 0.38 0.015 e3 17.78 0.700 F 2.29 2.79 0.090 0.110 G 0.4 0.55 0.016 0.022 H 1.17 1.52 0.046 0.060 L 0.22 0.31 0.009 0.012 M 0.51 1.27 0.020 0.050 N 10.3 0.406 P 7.8 8.05 0.307 0.317 Q 5.08 0.200 P053D 11/14

SO16 (Narrow) MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A 1.75 0.068 a1 0.1 0.2 0.004 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 0.019 c1 45 (typ.) D 9.8 10 0.385 0.393 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 8.89 0.350 F 3.8 4.0 0.149 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.019 0.050 M 0.62 0.024 S 8 (max.) P013H 12/14

PLCC20 MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A 9.78 10.03 0.385 0.395 B 8.89 9.04 0.350 0.356 D 4.2 4.57 0.165 0.180 d1 2.54 0.100 d2 0.56 0.022 E 7.37 8.38 0.290 0.330 e 1.27 0.050 e3 5.08 0.200 F 0.38 0.015 G 0.101 0.004 M 1.27 0.050 M1 1.14 0.045 P027A 13/14

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specificationsmentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronicsproducts are not authorized foruse ascritical componentsin life support devices or systems without express written approval of SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 14/14