1CY 7C29 2A CY7C291A CY7C292A/CY7C293A 2K x 8 Reprogrammable PROM Features identical, but are packaged in 300-mil (7C291A, 7C293A) and 600-mil wide plastic and hermetic DIP packages (7C292A). The CY7C293A has an automatic power down feature which reduces the power consumption by over 70% when deselected. The 300-mil ceramic package may be equipped with an erasure window; when exposed to UV light the PROM is erased and can then be reprogrammed. The memory cells utilize proven EPROM floating-gate technology and byte-wide intelligent programming algorithms. • Windowed for reprogrammability • CMOS for optimum speed/power • High speed — 20 ns (commercial) — 25 ns (military) • Low power — 660 mW (commercial and military) • Low standby power — 220 mW (commercial and military) • EPROM technology 100% programmable • Slim 300-mil or standard 600-mil packaging available • 5V ±10% VCC, commercial and military • TTL-compatible I/O • Direct replacement for bipolar PROMs • Capable of withstanding >2001V static discharge Functional Description The CY7C291A, CY7C292A, and CY7C293A are plug-in replacements for bipolar devices and offer the advantages of lower power, reprogrammability, superior performance and programming yield. The EPROM cell requires only 12.5V for the supervoltage and low current requirements allow for gang programming. The EPROM cells allow for each memory location to be tested 100%, as each location is written into, erased, and repeatedly exercised prior to encapsulation. Each PROM is also tested for AC performance to guarantee that after customer programming the product will meet DC and AC specification limits. A read is accomplished by placing an active LOW signal on CS1, and active HIGH signals on CS2 and CS3. The contents of the memory location addressed by the address line (A0 − A10) will become available on the output lines (O0 − O7). The CY7C291A, CY7C292A, and CY7C293A are high-performance 2K-word by 8-bit CMOS PROMs. They are functionally Logic Block Diagram Pin Configurations A0 DIP Top View O7 A1 A2 A3 ROW ADDRESS PROGRAMMABLE ARRAY MULTIPLEXER O6 A7 A6 A4 A5 O5 A4 A3 A5 A6 ADDRESS DECODER O4 A2 A1 A0 A7 O3 A8 A9 A10 O0 COLUMN ADDRESS O2 POWER DOWN 7C293A O1 O2 GND LCC/PLCC (Opaque Only) Top View VCC A8 1 24 2 23 3 7C291A 22 4 7C292A 21 7C293A 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 A9 A10 CS1 CS2 CS3 O7 O6 O5 4 3 2 1 28 27 26 25 5 24 6 7C291A 23 7 22 8 21 9 7C293A 20 10 19 11 1314151617 18 12 A10 CS1 CS2 CS3 NC O7 O6 O4 O3 O1 C291A-3 C291A-2 Window available on 7C291A and 7C293A only. O0 CS1 CS2 CS3 Cypress Semiconductor Corporation A4 A3 A2 A1 A0 NC O0 C291A-1 • 3901 North First Street • San Jose • CA 95134 • 408-943-2600 March 1986 – Revised May 1993 CY7C291A CY7C292A/CY7C293A Selection Guide 7C291A-20 7C292A-20 7C293A-20 7C291A-25 7C292A-25 7C293A-25 7C291AL-25 7C292AL-25 7C293AL-25 7C291A-35 7C292A-35 7C293A-35 7C291AL-35 7C292AL-35 7C293AL-35 7C291A-50 7C292A-50 7C293A-50 7C291AL-50 7C292AL-50 7C293AL-50 20 25 35 50 120 90 90 90 Military 120 90 90 Commercial 60 60 60 30 30 30 40 40 40 Maximum Access Time (ns) Maximum Operating Current (mA) Standard L Standby Current (mA) 7C293A Only Commercial Commercial 40 Military Maximum Ratings Latch-Up Current ..................................................... >200 mA (Above which the useful life may be impaired. For user guidelines, not tested.) Operating Range Storage Temperature ...................................... −65°C to+150°C Range Ambient Temperature VCC Ambient Temperature with Power Applied................................................... −55°C to+125°C Commercial 0°C to + 70°C 5V ±10% Supply Voltage to Ground Potential ..................−0.5V to+7.0V Industrial[1] −40°C to + 85°C 5V ±10% DC Voltage Applied to Outputs in High Z State ......................................................−0.5V to+7.0V Military[2] −55°C to + 125°C 5V ±10% DC Input Voltage .................................................−3.0V to +7.0V Notes: 1. Contact a Cypress representative for industrial temperature range specifications. 2. TA is the “instant on” case temperature. DC Program Voltage .....................................................13.0V UV Exposure.................................................7258 Wsec/cm2 Static Discharge Voltage............................................>2001V (per MIL-STD-883, Method 3015) 2 CY7C291A CY7C292A/CY7C293A Electrical Characteristics Over the Operating Range[3,4] Parameter Description Test Conditions 7C291A-20 7C292A-20 7C293A-20 7C291A-25 7C292A-25 7C293A-25 7C291AL-25 7C292AL-25 7C293AL-25 Min. Min. Min. Max. VOH Output HIGH Voltage VCC = Min., IOH = −4.0 mA VOL Output LOW Voltage VCC = Min., IOL = 16.0 mA VIH Input HIGH Voltage Guaranteed Input Logical HIGH Voltage for All Inputs VIL Input LOW Voltage Guaranteed Input Logical LOW Voltage for All Inputs IIX Input Load Current GND < VIN < VCC VCD Input Diode Clamp Voltage IOZ Output Leakage Current GND < VOUT < VCC, Output Disabled −10 +10 −10 IOS Output Short Circuit Current[5] VCC = Max., VOUT = GND −20 −90 −20 ICC VCC Operating Supply Current VCC = Max., IOUT = 0 mA Com’l Standby Supply Current (7C293A Only) VCC = Max., CS1 = VIH Com’l ISB VPP Programming Supply Voltage IPP Programming Supply Current VIHP Input HIGH Programming Voltage VILP Input LOW Programming Voltage 2.4 2.4 0.4 2.0 VCC 2.0 +10 Unit V 0.4 V VCC V 0.8 V −10 +10 µA +10 −10 +10 µA −90 −20 −90 mA 60 mA 30 mA 13 V 50 mA VCC 2.0 0.8 −10 Max. 2.4 0.4 0.8 −10 Max. +10 Note 4 120 90 Mil 120 40 30 Mil 40 12 13 12 50 3.0 13 50 3.0 0.4 3.0 0.4 Notes: 3. See the last page of this specification for Group A subgroup testing information. 4. See the “Introduction to CMOS PROMs” section of the Cypress Data Book for general information on testing. 5. For test purposes, not more than one output at a time should be shorted. Short circuit test duration should not exceed 30 seconds. 3 12 V 0.4 V CY7C291A CY7C292A/CY7C293A Electrical Characteristics Over the Operating Range[3,4] (continued) 7C291AL-35, 50 7C292AL-35, 50 7C293AL-35, 50 Parameter Description Test Conditions Min. VOH Output HIGH Voltage VCC = Min., IOH = −4.0 mA VOL Output LOW Voltage VCC = Min., IOL = 16.0 mA VIH Input HIGH Voltage Guaranteed Input Logical HIGH Voltage for All Inputs VIL Input LOW Voltage Guaranteed Input Logical LOW Voltage for All Inputs IIX Input Load Current GND < VIN < VCC VCD Input Diode Clamp Voltage IOZ Output Leakage Current GND < VOUT < VCC, Output Disabled −10 IOS Output Short Circuit Current[5] VCC = Max., VOUT = GND −20 ICC VCC Operating Supply Current VCC = Max., VIN = 2.0V IOUT=0 mA Commercial VCC = Max., CS1 =VIH Commercial ISB Standby Supply Current (7C293A Only) VPP Programming Supply Voltage IPP Programming Supply Current VIHP Input HIGH Programming Voltage VILP Input LOW Programming Voltage 7C291A-35, 50 7C292A-35, 50 7C293A-35, 50 Max. Min. 2.4 Unit 2.4 0.4 V 0.4 2.0 V 2.0 0.8 −10 Max. V 0.8 V −10 +10 µA +10 −10 +10 µA −90 −20 −90 mA 90 mA +10 Note 4 60 Military 90 30 30 Military mA 40 12 13 12 50 3.0 13 V 50 mA 3.0 0.4 V 0.4 V Capacitance[4] Parameter Description CIN Input Capacitance COUT Output Capacitance Test Conditions TA = 25°C, f = 1 MHz, VCC = 5.0V 4 Max. Unit 10 pF 10 pF CY7C291A CY7C292A/CY7C293A AC Test Loads and Waveforms[4] R1250 Ω 5V R1250 Ω 5V OUTPUT OUTPUT R2 167Ω 30pF 90% 10% 90% 10% GND < 5 ns INCLUDING JIG AND SCOPE (a) Normal Load Equivalent to: R2 167Ω 5 pF INCLUDING JIG AND SCOPE ALL INPUT PULSES 3.0V < 5 ns C291A-4 C291A-5 (b) High Z Load THÉVENIN EQUIVALENT 100Ω OUTPUT 2.0V C291A-6 tPU tPD VCC SUPPLY CURRENT 50% 50% A0 − A10 ADDRESS CS2 − CS3 CS1 tAA tHZCS tACS O0 - O7 C291A-7 Switching Characteristics Over the Operating Range[3, 4] Parameter Description 7C291A-20 7C292A-20 7C293A-20 7C291A-25 7C292A-25 7C293A-25 7C291AL-25 7C292AL-25 7C293AL-25 7C291A-35 7C292A-35 7C293A-35 7C291AL-35 7C292AL-35 7C293AL-35 7C291A-50 7C292A-50 7C293A-50 7C291AL-50 7C292AL-50 7C293AL-50 Min. Min. Min. Min. Max. Max. Max. Max. Unit tAA Address to Output Valid 20 25 35 50 ns tHZCS1 Chip Select Inactive to High Z 15 15 20 20 ns tACS1 Chip Select Active to Output Valid 15 15 20 20 ns tHZCS2 Chip Select Inactive to High Z (7C293A CS1 Only)[6] 22 27 35 45 ns tACS2 Chip Select Active to Output Valid (7C293A CS1 Only)[6] 22 27 35 45 ns tPU Chip Select Active to Power-Up (7C293A CS1 Only) tPD Chip Select Inactive to Power-Down (7C293A CS1 Only) 0 0 22 Notes: 6. tHZCS2 and tACS2 refer to 7C293A CS1 only. 5 0 27 0 35 ns 45 ns CY7C291A CY7C292A/CY7C293A Erasure Characteristics These PROMs need to be within 1 inch of the lamp during erasure. Permanent damage may result if the PROM is exposed to high-intensity UV light for an extended period of time. 7258 Wsec/cm2 is the recommended maximum dosage. Wavelengths of light less than 4000 Angstroms begin to erase these PROMs. For this reason, an opaque label should be placed over the window if the PROM is exposed to sunlight or fluorescent lighting for extended periods of time. Programming Information The recommended dose of ultraviolet light for erasure is a wavelength of 2537 Angstroms for a minimum dose (UV intensity x exposure time) of 25 Wsec/cm2. For an ultraviolet lamp with a 12 mW/cm2 power rating, the exposure time would be approximately 35 minutes. Programming support is available from Cypress as well as from a number of third-party software vendors. For detailed programming information, including a listing of software packages, please see the PROM Programming Information located at the end of this section. Programming algorithms can be obtained from any Cypress representative. Table 1. Mode Selection Pin Function[7] Read or Output Disable A10 − A0 CS3 CS2 CS1 O7 − O0 Other A10 − A0 PGM VFY VPP D7 − D0 A10 − A0 VIH VIH VIL O 7 − O0 A10 − A0 X X VIH High Z Output Disable A10 − A0 X VIL X High Z Output Disable A10 − A0 VIL X X High Z Program A10 − A0 VILP VIHP VPP D7 − D0 Program Verify A10 − A0 VIHP VILP VPP O 7 − O0 Program Inhibit A10 − A0 VIHP VIHP VPP High Z Intelligent Program A10 − A0 VILP VIHP VPP D7 − D0 Blank Check Zeros A10 − A0 VIHP VILP VPP Zeros Mode Read Output Disable[8] Notes: 7. X = “don’t care” but not to exceed VCC +5%. 8. The power-down mode for the CY7C293A is activated by deselecting CS1. DIP Top View A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND LCC/PLCC (Opaque Only) Top View 1 24 VCC 2 3 7C291A 4 7C292A 5 7C293A 6 23 22 21 A8 A9 20 19 VPP VFY 7 18 17 16 PGM D7 D6 15 D5 14 13 D4 D3 8 9 10 11 12 A4 A3 A2 A1 A0 NC D0 A10 4 3 2 1 28 27 26 25 24 7C291A 23 22 21 7C293A 20 19 121314151617 18 5 6 7 8 9 10 11 A10 VPP VFY PGM NC D7 D6 C291A-9 C291A-8 Figure 1. Programming Pinouts 6 CY7C291A CY7C292A/CY7C293A Typical DC and AC Characteristics 1.6 NORMALIZED ACCESS TIME vs. SUPPLY VOLTAGE NORMALIZED SUPPLY CURRENT vs. AMBIENT TEMPERATURE NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.2 1.2 1.1 1.0 1.0 0.8 0.9 0.6 0.8 −55 0.4 4.0 1.4 1.2 1.0 TA =25°C f = fMAX 0.8 0.6 4.0 4.5 5.0 TA =25°C 5.5 6.0 25 125 4.5 AMBIENT TEMPERATURE (°C) SUPPLY VOLTAGE (V) 5.0 5.5 6.0 SUPPLY VOLTAGE (V) C291A-10 TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING OUTPUT SOURCE CURRENT vs. VOLTAGE NORMALIZED ACCESS TIME vs. TEMPERATURE 1.6 60 30.0 50 25.0 40 20.0 30 15.0 20 10.0 10 5.0 1.4 1.2 1.0 0.8 0 0.6 −55 125 25 0 1.0 2.0 0 200 OUTPUT VOLTAGE (V) AMBIENT TEMPERATURE(°C) OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE 400 600 800 1000 CAPACITANCE (pF) I CC vs. CYCLE PERIOD 175 1.02 150 1.00 125 0.98 100 0.96 75 VCC =5.5V TA =25°C 0.94 VCC =5.0V TA =25°C 50 0.92 25 0 0.0 0.0 4.0 3.0 VCC =4.5V TA =25°C 0.90 1.0 2.0 3.0 0.88 4.0 0 OUTPUT VOLTAGE (V) 25 50 75 CYCLE PERIOD (ns) 7 100 C291A-11 CY7C291A CY7C292A/CY7C293A Ordering Information[9] Speed (ns) ICC (mA) 20 120 25 60 90 120 30 35 120 60 90 120 Ordering Code Package Name Package Type CY7C291A-20JC J64 28-Lead Plastic Leaded Chip Carrier CY7C291A-20PC P13 24-Lead (300-Mil) Molded DIP CY7C291A-20SC S13 24-Lead Molded SOIC CY7C291A-20WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291AL-25JC J64 28-Lead Plastic Leaded Chip Carrier CY7C291AL-25PC P13 24-Lead (300-Mil) Molded DIP CY7C291AL-25WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-25JC J64 28-Lead Plastic Leaded Chip Carrier CY7C291A-25PC P13 24-Lead (300-Mil) Molded DIP CY7C291A-25SC S13 24-Lead Molded SOIC CY7C291A-25WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-25DMB D14 24-Lead (300-Mil) CerDIP CY7C291A-25LMB L64 28-Square Leadless Chip Carrier CY7C291A-25QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C291A-25TMB T73 24-Lead Windowed Cerpack CY7C291A-25WMB W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-30DMB D14 24-Lead (300-Mil) CerDIP CY7C291A-30LMB L64 28-Square Leadless Chip Carrier CY7C291A-30QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C291A-30TMB T73 24-Lead Windowed Cerpack CY7C291A-30WMB W14 24-Lead (300-Mil) Windowed CerDIP CY7C291AL-35JC J64 28-Lead Plastic Leaded Chip Carrier CY7C291AL-35PC P13 24-Lead (300-Mil) Molded DIP CY7C291AL-35WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-35SC S13 24-Lead Molded SOIC CY7C291A-35PC P13 24-Lead (300-Mil) Molded DIP CY7C291A-35WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-35DMB D14 24-Lead (300-Mil) CerDIP CY7C291A-35LMB L64 28-Square Leadless Chip Carrier CY7C291A-35QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C291A-35TMB T73 24-Lead Windowed Cerpack CY7C291A-35WMB W14 24-Lead (300-Mil) Windowed CerDIP Operating Range Commercial Commercial Military Military Commercial Commercial Military Notes: 9. Most of these products are available in industrial temperature range. Contact a Cypress representative for specifications and product availability. 8 CY7C291A CY7C292A/CY7C293A Ordering Information[9] (Continued) Speed (ns) ICC (mA) 50 60 90 90 20 25 120 120 Ordering Code Package Name Package Type Operating Range CY7C291AL-50JC J64 28-Lead Plastic Leaded Chip Carrier Commercial CY7C291AL-50PC P13 24-Lead (300-Mil) Molded DIP CY7C291AL-50WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-50SC S13 24-Lead Molded SOIC CY7C291A-50PC P13 24-Lead (300-Mil) Molded DIP CY7C291A-50WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C291A-50DMB D14 24-Lead (300-Mil) CerDIP CY7C291A-50LMB L64 28-Square Leadless Chip Carrier CY7C291A-50QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C291A-50TMB T73 24-Lead Windowed Cerpack CY7C291A-50WMB W14 24-Lead (300-Mil) Windowed CerDIP CY7C292A-20DC D12 24-Lead (600-Mil) CerDIP CY7C292A-20PC P11 24-Lead (600-Mil) Molded DIP CY7C292A-25DC D12 24-Lead (600-Mil) CerDIP CY7C292A-25PC P11 24-Lead (600-Mil) Molded DIP CY7C292A-25DMB D12 24-Lead (600-Mil) CerDIP Military Commercial Military Commercial Commercial 30 120 CY7C292A-30DMB D12 24-Lead (600-Mil) CerDIP Military 35 60 CY7C292AL-35PC P11 24-Lead (600-Mil) Molded DIP Commercial 90 CY7C292A-35DC D12 24-Lead (600-Mil) CerDIP Commercial CY7C292A-35PC P11 24-Lead (600-Mil) Molded DIP 120 CY7C292A-35DMB D12 24-Lead (600-Mil) CerDIP Military 60 CY7C292AL-50PC P11 24-Lead (600-Mil) Molded DIP Commercial 90 CY7C292A-50DC D12 24-Lead (600-Mil) CerDIP Commercial CY7C292A-50PC P11 24-Lead (600-Mil) Molded DIP 120 CY7C292A-50DMB D12 24-Lead (600-Mil) CerDIP Military 120 CY7C293A-20PC P13 24-Lead (300-Mil) Molded DIP Commercial CY7C293A-20WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-25PC P13 24-Lead (300-Mil) Molded DIP CY7C293A-25WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-25DMB D14 24-Lead (300-Mil) CerDIP CY7C293A-25LMB L64 28-Square Leadless Chip Carrier CY7C293A-25QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C293A-25WMB W14 24-Lead (300-Mil) Windowed CerDIP 50 20 25 120 9 Commercial Military CY7C291A CY7C292A/CY7C293A Ordering Information[9] (Continued) Speed (ns) ICC (mA) 30 120 35 60 90 90 50 60 90 90 Ordering Code Package Name Package Type CY7C293A-30DMB D14 24-Lead (300-Mil) CerDIP CY7C293A-30LMB L64 28-Square Leadless Chip Carrier CY7C293A-30QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C293A-30WMB W14 24-Lead (300-Mil) Windowed CerDIP CY7C293AL-35PC P13 24-Lead (300-Mil) Molded DIP CY7C293AL-35WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-35PC P13 24-Lead (300-Mil) Molded DIP CY7C293A-35WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-35DMB D14 24-Lead (300-Mil) CerDIP CY7C293A-35LMB L64 28-Square Leadless Chip Carrier CY7C293A-35QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C293A-35WMB W14 24-Lead (300-Mil) Windowed CerDIP CY7C293AL-50PC P13 24-Lead (300-Mil) Molded DIP CY7C293AL-50WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-50PC P13 24-Lead (300-Mil) Molded DIP CY7C293A-50WC W14 24-Lead (300-Mil) Windowed CerDIP CY7C293A-50DMB D14 24-Lead (300-Mil) CerDIP CY7C293A-50LMB L64 28-Square Leadless Chip Carrier CY7C293A-50QMB Q64 28-Pin Windowed Leadless Chip Carrier CY7C293A-50WMB W14 24-Lead (300-Mil) Windowed CerDIP 10 Operating Range Military Commercial Commercial Military Commercial Commercial Military CY7C291A CY7C292A/CY7C293A MILITARY SPECIFICATIONS Group A Subgroup Testing SMD Cross Reference SMD Number DC Characteristics Parameter Subgroups VOH 1, 2, 3 VOL 1, 2, 3 VIH 1, 2, 3 VIL 1, 2, 3 IIX 1, 2, 3 IOZ 1, 2, 3 ICC 1, 2, 3 ISB[10] 1, 2, 3 Switching Characteristics Parameter Subgroups tAA 7, 8, 9, 10, 11 tACS1[11] 7, 8, 9, 10, 11 tACS2[10] 7, 8, 9, 10, 11 Notes: 10. 7C293A only. 11. 7C291A and 7C292A only. Document #: 38-00075-G 11 Suffix Cypress Number 5962-87650 01KX CY7C291-50TMB 5962-87650 01LX CY7C291-50WMB 5962-87650 013X CY7C291-50QMB 5962-87650 03KX CY7C291-35TMB 5962-87650 03LX CY7C291-35WMB 5962-87650 033X CY7C291-35QMB 5962-88680 01LX CY7C293A-50WMB 5962-88680 01KX CY7C293A-50TMB 5962-88680 013X CY7C293A-50QMB 5962-88680 02LX CY7C293A-35WMB 5962-88680 02KX CY7C293A-35TMB 5962-88680 023X CY7C293A-35QMB 5962-88680 03LX CY7C293A-30WMB 5962-88680 03KX CY7C293A-30TMB 5962-88680 033X CY7C293A-30QMB 5962-88680 04LX CY7C293A-25WMB 5962-88680 04KX CY7C293A-25TMB 5962-88680 043X CY7C293A-25QMB 5962-88734 02JX CY7C292A-45DMB 5962-88734 02KX CY7C291A-45KMB 5962-88734 02LX CY7C291A-45DMB 5962-88734 023X CY7C291A-45LMB 5962-88734 03JX CY7C292A-35DMB 5962-88734 03KX CY7C291A-35KMB 5962-88734 03LX CY7C291A-35DMB 5962-88734 033X CY7C291A-35LMB 5962-88734 04JX CY7C292A-25DMB 5962-88734 04KX CY7C291A-25KMB 5962-88734 04LX CY7C291A-25DMB 5962-88734 043X CY7C291A-25LMB CY7C291A CY7C292A/CY7C293A Package Diagrams 24-Lead (600-Mil) CerDIP D12 MIL-STD-1835 28-Square Leadless ChipCarrier L64 D- 3 Config.A MIL-STD-1835 C-4 24-Lead (300-Mil) CerDIP D14 MIL-STD-1835 D- 9Config.A 12 CY7C291A CY7C292A/CY7C293A Package Diagrams (Continued) 24-Lead (600-Mil) Molded DIP P11 24-Lead (300-Mil) Molded DIP P13/P13A 13 CY7C291A CY7C292A/CY7C293A Package Diagrams (Continued) 28-Pin Windowed Leadless Chip Carrier Q64 MIL-STD-1835 C-4 24-Lead (300-Mil) Molded SOIC S13 14 CY7C291A CY7C292A/CY7C293A Package Diagrams (Continued) 24-Lead Windowed Cerpack T73 24-Lead (300-Mil) Windowed CerDIP W14 MIL-STD-1835 D- 9 Config.A © Cypress Semiconductor Corporation, 1993. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.