CAT93C66 4-Kb Microwire Serial CMOS EEPROM FEATURES DESCRIPTION High speed operation: 2MHz The CAT93C66 is a 4-Kb CMOS Serial EEPROM device which is organized as either 256 registers of 16 bits (ORG pin at VCC) or 512 registers of 8 bits (ORG pin at GND). Each register can be written (or read) serially by using the DI (or DO) pin. The CAT93C66 features sequential read and self-timed internal write with auto-clear. On-chip Power-On Reset circuitry protects the internal logic against powering up in the wrong state. 1.8V to 5.5V supply voltage range Selectable x8 or x16 memory organization Sequential read Software write protection Power-up inadvertant write protection Low power CMOS technology 1,000,000 Program/erase cycles 100 year data retention Industrial temperature ranges RoHS-compliant 8-pin PDIP, SOIC, TSSOP and 8-pad TDFN packages For Ordering Information details, see page 15. PIN CONFIGURATION FUNCTIONAL SYMBOL PDIP (L) SOIC (V, X) TSSOP (Y) TDFN (VP2, ZD4)* VCC SOIC (W) CS 1 8 VCC NC 1 8 ORG ORG SK 2 7 NC VCC 2 7 GND CS DI 3 6 ORG CS 3 6 DO SK DO 4 5 GND SK 4 5 DI DI * TDFN 3x3mm (ZD4) package is available only for Die Rev E (not recommended for new designs) CAT93C66 DO GND PIN FUNCTION Pin Name Function CS Chip Select SK Clock Input DI Serial Data Input DO Serial Data Output VCC Power Supply GND Ground ORG Memory Organization NC No Connection © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice Note: When the ORG pin is connected to VCC, the x16 organization is selected. When it is connected to ground, the x8 organization is selected. If the ORG pin is left unconnected, then an internal pullup device will select the x16 organization 1 Doc. No. 1089 Rev. P CAT93C66 ABSOLUTE MAXIMUM RATINGS(1) Parameters Ratings Units -65 to +150 °C -0.5 to +6.5 V Parameter Min Units Endurance 1,000,000 Program/ Erase Cycles 100 Years Storage Temperature Voltage on Any Pin with Respect to Ground (2) RELIABILITY CHARACTERISTICS(3) Symbol NEND (4) TDR Data Retention D.C. OPERATING CHARACTERISTICS (NEW PRODUCT, DIE REV. G) VCC = +1.8V to +5.5V, TA=-40°C to +85°C unless otherwise specified. Symbol Parameter Test Conditions Min Max Units ICC1 Power Supply Current (Write) fSK = 1MHz, VCC = 5.0V 1 mA ICC2 Power Supply Current (Read) fSK = 1MHz, VCC = 5.0V 500 µA ISB1 Power Supply Current (Standby) (x8 Mode) VIN = GND or VCC, CS = GND ORG = GND 2 µA ISB2 Power Supply Current (Standby) (x16 Mode) VIN = GND or VCC, CS = GND ORG = Float or VCC 1 µA ILI Input Leakage Current VIN = GND to VCC 1 µA ILO Output Leakage Current VOUT = GND to VCC, CS = GND 1 µA VIL1 Input Low Voltage 4.5V ≤ VCC < 5.5V -0.1 0.8 V VIH1 Input High Voltage 4.5V ≤ VCC < 5.5V 2 VCC + 1 V VIL2 Input Low Voltage 1.8V ≤ VCC < 4.5V 0 VCC x 0.2 V VIH2 Input High Voltage 1.8V ≤ VCC < 4.5V VCC x 0.7 VCC + 1 V VOL1 Output Low Voltage 4.5V ≤ VCC < 5.5V, IOL = 2.1mA 0.4 V VOH1 Output High Voltage 4.5V ≤ VCC < 5.5V, IOH = -400µA VOL2 Output Low Voltage 1.8V ≤ VCC < 4.5V, IOL = 1mA VOH2 Output High Voltage 1.8V ≤ VCC < 4.5V, IOH = -100µA 2.4 V 0.2 VCC - 0.2 V V Notes: (1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. (2) The DC input voltage on any pin should not be lower than -0.5V or higher than VCC + 0.5V. During transitions, the voltage on any pin may undershoot to no less than -1.5V or overshoot to no more than VCC + 1.5V, for periods of less than 20 ns. (3) These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AEC-Q100 and JEDEC test methods. (4) Block Mode, VCC = 5V, 25°C Doc. No. 1089 Rev. P 2 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 D.C. OPERATING CHARACTERISTICS (MATURE PRODUCT, DIE REV. E – Not Recommended for New Designs) VCC = +1.8V to +5.5V, unless otherwise specified. Symbol Parameter Test Conditions Min Max Units ICC1 Power Supply Current (Write) fSK = 1MHz, VCC = 5.0V 3 mA ICC2 Power Supply Current (Read) fSK = 1MHz, VCC = 5.0V 500 µA ISB1 Power Supply Current (Standby) (x8 Mode) VIN = GND or VCC, CS = GND ORG = GND 10 µA ISB2 Power Supply Current (Standby) (x16 Mode) VIN = GND or VCC, CS = GND ORG = Float or VCC 10 µA ILI Input Leakage Current VIN = GND to VCC 1 µA ILO Output Leakage Current VOUT = GND to VCC, CS = GND 1 µA VIL1 Input Low Voltage 4.5V ≤ VCC < 5.5V -0.1 0.8 V VIH1 Input High Voltage 4.5V ≤ VCC < 5.5V 2 VCC + 1 V VIL2 Input Low Voltage 1.8V ≤ VCC < 4.5V 0 VCC x 0.2 V VIH2 Input High Voltage 1.8V ≤ VCC < 4.5V VCC x 0.7 VCC + 1 V VOL1 Output Low Voltage 4.5V ≤ VCC < 5.5V, IOL = 2.1mA 0.4 V VOH1 Output High Voltage 4.5V ≤ VCC < 5.5V, IOH = -400µA VOL2 Output Low Voltage 1.8V ≤ VCC < 4.5V, IOL = 1mA VOH2 Output High Voltage 1.8V ≤ VCC < 4.5V, IOH = -100µA 2.4 V 0.2 VCC - 0.2 V V PIN CAPACITANCE TA = 25°C, f = 1MHz, VCC = 5V Symbol COUT CIN (1) (1) Test Conditions Output Capacitance (DO) Input Capacitance (CS, SK, DI, ORG) Min Typ Max Units VOUT = 0V 5 pF VIN = 0V 5 pF Notes: (1) These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AEC-Q100 and JEDEC test methods. © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 3 Doc. No. 1089 Rev. P CAT93C66 A.C. CHARACTERISTICS(1) (NEW PRODUCT, DIE REV. G) VCC = +1.8V to +5.5V, TA = -40°C to +85°C, unless otherwise specified. Limits Symbol Parameter Min Units Max tCSS CS Setup Time 50 ns tCSH CS Hold Time 0 ns tDIS DI Setup Time 100 ns tDIH DI Hold Time 100 ns tPD1 Output Delay to 1 0.25 µs tPD0 Output Delay to 0 0.25 µs tHZ(2) Output Delay to High-Z 100 ns tEW Program/Erase Pulse Width 5 ms tCSMIN Minimum CS Low Time 0.25 µs tSKHI Minimum SK High Time 0.25 µs tSKLOW Minimum SK Low Time 0.25 µs tSV Output Delay to Status Valid SKMAX Maximum Clock Frequency DC 0.25 µs 2000 kHz A.C. CHARACTERISTICS (1) (MATURE PRODUCT, DIE REV E – Not Recommended for New Design) Limits Symbol Parameter VCC = 1.8V - 5.5V Min Max VCC = 2.5V - 5.5V Min Max VCC = 4.5V - 5.5V Min Units Max tCSS CS Setup Time 200 100 50 ns tCSH CS Hold Time 0 0 0 ns tDIS DI Setup Time 400 200 100 ns tDIH DI Hold Time 400 200 100 ns tPD1 Output Delay to 1 1 0.5 0.25 µs tPD0 Output Delay to 0 1 0.5 0.25 µs tHZ(2) Output Delay to High-Z 400 200 100 ns tEW Program/Erase Pulse Width 10 10 10 ms tCSMIN Minimum CS Low Time 1 0.5 0.25 µs tSKHI Minimum SK High Time 1 0.5 0.25 µs tSKLOW Minimum SK Low Time 1 0.5 0.25 µs tSV Output Delay to Status Valid SKMAX Maximum Clock Frequency 1 DC 250 0.5 DC 500 DC 0.25 µs 1000 kHz Notes: (1) Test conditions according to “A.C. Test Conditions” table. (2) These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AEC-Q100 and JEDEC test methods. Doc. No. 1089 Rev. P 4 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 POWER-UP TIMING(1) (2) Symbol Parameter Max Units tPUR Power-up to Read Operation 1 ms tPUW Power-up to Write Operation 1 ms Notes: (1) These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AEC-Q100 and JEDEC test methods. (2) tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated. A.C. TEST CONDITIONS Input Rise and Fall Times ≤ 50 ns Input Pulse Voltages 0.4V to 2.4V 4.5V ≤ VCC ≤ 5.5V Timing Reference Voltages 0.8V, 2.0V 4.5V ≤ VCC ≤ 5.5V Input Pulse Voltages 0.2VCC to 0.7VCC 1.8V ≤ VCC ≤ 4.5V Timing Reference Voltages 0.5VCC 1.8V ≤ VCC ≤ 4.5V Output Load Current Source IOLmax/IOHmax; CL=100pF DEVICE OPERATION The CAT93C66 is a 4096-bit nonvolatile memory intended for use with industry standard micropro– cessors. The CAT93C66 can be organized as either registers of 16 bits or 8 bits. When organized as X16, seven 11-bit instructions control the reading, writing and erase operations of the device. When organized as X8, seven 12-bit instructions control the reading, writing and erase operations of the device. The CAT93C66 operates on a single power supply and will generate on chip, the high voltage required during any write operation. The ready/busy status can be determined after the start of internal write cycle by selecting the device (CS high) and polling the DO pin; DO low indicates that the write operation is not completed, while DO high indicates that the device is ready for the next instruction. If necessary, the DO pin may be placed back into a high impedance state during chip select by shifting a dummy “1” into the DI pin. The DO pin will enter the high impedance state on the rising edge of the clock (SK). Placing the DO pin into the high impedance state is recommended in applications where the DI pin and the DO pin are to be tied together to form a common DI/O pin. Instructions, addresses, and write data are clocked into the DI pin on the rising edge of the clock (SK). The DO pin is normally in a high impedance state except when reading data from the device, or when checking the ready/busy status after a write operation. The serial communication protocol follows the timing shown in Figure 1. The format for all instructions sent to the device is a logical “1” start bit, a 2-bit (or 4-bit) opcode, 8-bit address (an additional bit when organized X8) and for write operations a 16-bit data field (8-bit for X8 organizations). The instruction format is shown in Instruction Set table. INSTRUCTION SET Address Data Instruction Start Bit Opcode x8 x16 READ ERASE WRITE EWEN EWDS ERAL WRAL 1 1 1 1 1 1 1 10 11 01 00 00 00 00 A8-A0 A8-A0 A8-A0 11XXXXXXX 00XXXXXXX 10XXXXXXX 01XXXXXXX A7-A0 A7-A0 A7-A0 11XXXXXX 00XXXXXX 10XXXXXX 01XXXXXX © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 5 x8 x16 D7-D0 D15-D0 D7-D0 D15-D0 Comments Read Address AN – A0 Clear Address AN – A0 Write Address AN – A0 Write Enable Write Disable Clear All Addresses Write All Addresses Doc. No. 1089 Rev. P CAT93C66 sequential READ mode, only the initial data word is preceeded by a dummy zero bit. All subsequent data words will follow without a dummy zero bit. The READ instruction timing is illustrated in Figure 2. Read Upon receiving a READ command and an address (clocked into the DI pin), the DO pin of the CAT93C66 will come out of the high impedance state and, after sending an initial dummy zero bit, will begin shifting out the data addressed (MSB first). The output data bits will toggle on the rising edge of the SK clock and are stable after the specified time delay (tPD0 or tPD1). Erase/Write Enable and Disable The CAT93C66 powers up in the write disable state. Any writing after power-up or after an EWDS (erase/write disable) instruction must first be preceded by the EWEN (erase/write enable) instruction. Once the write instruction is enabled, it will remain enabled until power to the device is removed, or the EWDS instruction is sent. The EWDS instruction can be used to disable all CAT93C66 write and erase instructions, and will prevent any accidental writing or clearing of the device. Data can be read normally from the device regardless of the write enable/disable status. The EWEN and EWDS instructions timing is shown in Figure 3. For the CAT93C66, after the initial data word has been shifted out and CS remains asserted with the SK clock continuing to toggle, the device will automatically increment to the next address and shift out the next data word in a sequential READ mode. As long as CS is continuously asserted and SK continues to toggle, the device will keep incrementing to the next address automatically until it reaches to the end of the address space, then loops back to address 0. In the Figure 1. Sychronous Data Timing tSKHI tSKLOW tCSH SK tDIS tDIH VALID DI VALID tCSS CS tDIS tPD0,tPD1 DO tCSMIN DATA VALID Figure 2. READ Instruction Timing SK CS Don't Care AN DI 1 1 AN–1 A0 0 tPD0 DO HIGH-Z Dummy 0 Doc. No. 1089 Rev. P D15 . . . D0 or D7 . . . D0 6 Address + 1 D15 . . . D0 or D7 . . . D0 Address + 2 D15 . . . D0 or D7 . . . D0 Address + n D15 . . . or D7 . . . © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 Write After receiving a WRITE command (Figure 4), address and the data, the CS (Chip Select) pin must be deselected for a minimum of tCSMIN. The falling edge of CS will start the self clocking clear and data store cycle of the memory location specified in the instruction. The clocking of the SK pin is not necessary after the device has entered the self clocking mode. The ready/busy status of the CAT93C66 can be determined by selecting the device and polling the DO pin. Since this device features Auto-Clear before write, it is NOT necessary to erase a memory location before it is written into. Erase Upon receiving an ERASE command and address, the CS (Chip Select) pin must be deasserted for a minimum of tCSMIN (Figure 5). The falling edge of CS will start the self clocking clear cycle of the selected memory location. The clocking of the SK pin is not necessary after the device has entered the self clocking mode. The ready/ busy status of the CAT93C66 can be determined by selecting the device and polling the DO pin. Once cleared, the content of a cleared location returns to a logical “1” state. Figure 3. EWEN/EWDS Instruction Timing SK STANDBY CS DI 1 0 0 * * ENABLE = 11 DISABLE = 00 Figure 4. Write Instruction Timing SK tCSMIN STANDBY STATUS VERIFY CS AN DI 1 0 AN-1 A0 DN D0 1 tSV DO tHZ BUSY HIGH-Z READY HIGH-Z tEW Figure 5. Erase Instruction Timing SK STATUS VERIFY CS AN DI 1 1 DO tCS A0 AN-1 STANDBY 1 tSV HIGH-Z tHZ BUSY READY HIGH-Z tEW © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 7 Doc. No. 1089 Rev. P CAT93C66 Erase All Upon receiving an ERAL command (Figure 6), the CS (Chip Select) pin must be deselected for a minimum of tCSMIN. The falling edge of CS will start the self clocking clear cycle of all memory locations in the device. The clocking of the SK pin is not necessary after the device has entered the self clocking mode. The ready/busy status of the CAT93C66 can be determined by selecting the device and polling the DO pin. Once cleared, the contents of all memory bits return to a logical “1” state. Write All Upon receiving a WRAL command and data, the CS (Chip Select) pin must be deselected for a minimum of tCSMIN (Figure 7). The falling edge of CS will start the self clocking data write to all memory locations in the device. The clocking of the SK pin is not necessary after the device has entered the self clocking mode. The ready/busy status of the CAT93C66 can be determined by selecting the device and polling the DO pin. It is not necessary for all memory locations to be cleared before the WRAL command is executed. Figure 6. ERAL Instruction Timing SK CS STATUS VERIFY STANDBY tCS DI 1 0 0 0 1 tSV tHZ HIGH-Z DO BUSY READY HIGH-Z tEW Figure 7. WRAL Instruction Timing SK CS STATUS VERIFY STANDBY tCSMIN DI 1 0 0 0 DN 1 D0 tSV tHZ DO BUSY READY HIGH-Z tEW Doc. No. 1089 Rev. P 8 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 PACKAGE OUTLINES 8-LEAD 300MIL WIDE PLASTIC DIP (L) E1 E D A2 A c A1 L e eB b2 b SYMBOL A A1 A2 b b2 c D E E1 e eB L MIN NOM MAX 4.57 0.38 3.05 0.36 1.14 0.21 9.02 7.62 6.09 0.46 0.26 7.87 6.35 2.54 BSC 7.87 2.92 3.81 0.56 1.77 0.35 10.16 8.25 7.11 9.65 3.81 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MS001 (3) Dimensioning and tolerancing per ANSI Y14.5M-1982. © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 9 Doc. No. 1089 Rev. P CAT93C66 8-LEAD 150 MIL SOIC (V, W) E1 E h x 45 D C A q1 e A1 L b SYMBOL MIN A1 A b C D E E1 e h L q1 0.10 1.35 0.33 0.19 4.80 5.80 3.80 NOM MAX 0.25 1.75 0.51 0.25 5.00 6.20 4.00 1.27 BSC 0.50 1.27 8° 0.25 0.40 0° For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MS-012. Doc. No. 1089 Rev. P 10 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 8-LEAD 208 MIL SOIC (X) E b D c A θ1 e A1 L SYMBOL MIN A1 A b c D E E1 e L θ1 0.05 NOM MAX 0.25 2.03 0.48 0.25 5.33 8.26 5.38 0.36 0.19 5.13 7.75 5.13 1.27 BSC 0.76 8° 0.51 0° For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with EIAJ specification EDR-7320. © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 11 Doc. No. 1089 Rev. P CAT93C66 8-LEAD TSSOP (Y) D 5 8 SEE DETAIL A c E E1 E/2 GAGE PLANE 4 1 PIN #1 IDENT. 0.25 q1 L A2 SEATING PLANE SEE DETAIL A A e A1 b SYMBOL A A1 A2 b c D E E1 e L q1 MIN 0.05 0.80 0.19 0.09 2.90 6.30 4.30 0.50 0.00 NOM 0.90 3.00 6.4 4.40 0.65 BSC 0.60 MAX 1.20 0.15 1.05 0.30 0.20 3.10 6.50 4.50 0.75 8.00 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC Standard MO-153 Doc. No. 1089 Rev. P 12 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 8-PAD TDFN 2X3 PACKAGE (VP2) A E PIN 1 INDEX AREA A1 D D2 A2 A3 SYMBOL MIN NOM MAX A A1 A2 A3 b D D2 E E2 e L 0.70 0.00 0.45 0.75 0.02 0.55 0.20 REF 0.25 2.00 1.40 3.00 1.30 0.50 TYP 0.30 0.80 0.05 0.65 0.20 1.90 1.30 2.90 1.20 0.20 E2 0.30 2.10 1.50 3.10 1.40 PIN 1 ID L 0.40 b e 3xe For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MO-229. © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 13 Doc. No. 1089 Rev. P CAT93C66 8-PAD TDFN 3X3 PACKAGE (ZD4) 3 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC specification MO-229. Doc. No. 1089 Rev. P 14 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT93C66 ORDERING INFORMATION CAT93C66, DIE REV. G (NEW PRODUCT)* Prefix Device # Suffix CAT 93C66 V Company ID Product Number 93C66 L: V: W: X: Y: VP2: Package PDIP SOIC, JEDEC SOIC, JEDEC (4) SOIC, EIAJ TSSOP TDFN (2x3mm) I -G T3 Temperature Range I = Industrial (-40ºC to 85ºC) Lead Finish Blank: Matte-Tin G: NiPdAu Tape & Reel T: Tape & Reel 2: 2000 units/Reel(4) 3: 3000 units/Reel Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) The device used in the above example is a CAT93C66VI-GT3 (SOIC, Industrial Temperature, NiPdAu, Tape & Reel). (4) For SOIC, EIAJ (X) package the standard lead finish is Matte-Tin. This package is available in 2000 pcs/reel, i.e. CAT93C66XI-T2. (5) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office. * For CAT93C66, Die Rev. G (all packages) availability, please contact factory. CAT93C66, DIE REV. E, MATURE PRODUCT (Not Recommended for New Design) Prefix Device # Suffix CAT 93C66 V I -1.8 -G T3 Temperature Range I = Industrial (-40ºC to 85ºC) A = Automotive (-40ºC to 105ºC) E = Extended (-40ºC to 125ºC) Company ID Product Number 93C66 L: V: W: X: Y: ZD4: Package PDIP SOIC, JEDEC SOIC, JEDEC SOIC, EIAJ(5) TSSOP TDFN (3x3mm) Rev E(4) Die Revision 93C66: E Operating Voltage Blank: VCC = 2.5V to 5.5V 1.8: VCC = 1.8V to 5.5V Tape & Reel T: Tape & Reel 2: 2000 units/Reel(5) 3: 3000 units/Reel Lead Finish Blank: Matte-Tin G: NiPdAu Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard finish is NiPdAu. (3) The device used in the above example is a CAT93C66VI-1.8-GT3 (SOIC green package, Industrial Temperature, 1.8 Volt to 5.5 Volt Operating Voltage, NiPdAu finish, Tape & Reel.) (4) Product die revision letter is marked on top of the package as a suffix to the production date code (e.g., AYWWE.) For additional information, please contact your Catalyst sales office. (5) For SOIC, EIAJ (X) package the standard lead finish is Matte-Tin. This package is available in 2000 pcs/reel, i.e. CAT93C66XI-T2. (6) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office. © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 15 Doc. No. 1089 Rev. P CAT93C66 REVISION HISTORY Date Rev. 05/14/04 L New Data Sheet Created From CAT93C46/56/57/66/86. Parts CAT93C56, CAT93C56, CAT93C57, CAT93C66, CAT93C76 and CAT93C86 have been separated into single data sheets Add Die Revision ID Letter Update Features Update Description Update Pin Condition Add Functional Diagram Update Pin Function Update D.C. Operating Characteristics Update Pin Capacitance Update Instruction Set Update Device Operation Update Ordering Information Update Revision History Update Rev Number 10/13/06 M Update Features Update Pin Configuration / Packages Update Functional Symbol Update Pin Functions Update D.C. Operating Characteristics (VCC Range) Add Package Drawings Update Example of Ordering Information 11/17/06 N Remove "Die Rev E" from the title Update Pin Configuration / Packages Update Absolute Maximum Rating Update Reliability Characteristics Update D.C. Operating Characteristics Added A.C. Characteristics for Die Rev G Rearrange / Format Text and Figures Added Example of Ordering Information for Die Rev G 12/07/06 O 04/03/07 P Update separate DC Characteristics for Die Rev. G and Die Rev. E. Updated Example of Ordering Information Update note on page 1 Update D.C. Operating Characteristics (New Product, Die Rev. G) Update Ordering Information – CAT93C66, Die Rev. G (New Product) Doc. No. 1089 Rev. P Comments 16 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice Copyrights, Trademarks and Patents Trademarks and registered trademarks of Catalyst Semiconductor include each of the following: Beyond Memory™, DPP™, EZDim™, MiniPot™, and Quad-Mode™ Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending that protect its products. CATALYST SEMICONDUCTOR MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES. Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets labeled "Advance Information" or "Preliminary" and other products described herein may not be in production or offered for sale. Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate typical semiconductor applications and may not be complete. Catalyst Semiconductor, Inc. Corporate Headquarters 2975 Stender Way Santa Clara, CA 95054 Phone: 408.542.1000 Fax: 408.542.1200 www.catsemi.com Document No: 1089 Revision: P Issue date: 04/03/07