CY7C291A-25WMB

CY7C291A-25WMB

  • 厂商:

    CYPRESS(赛普拉斯)

  • 封装:

  • 描述:

    CY7C291A-25WMB - 2K x 8 Reprogrammable PROM - Cypress Semiconductor

  • 详情介绍
  • 数据手册
  • 价格&库存
CY7C291A-25WMB 数据手册
1CY 7C29 2A CY7C291A CY7C292A/CY7C293A 2K x 8 Reprogrammable PROM Features • Windowed for reprogrammability • CMOS for optimum speed/power • High speed — 20 ns (commercial) — 25 ns (military) • Low power 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. 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). — 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 high-performance 2K-word by 8-bit CMOS PROMs. They are functionally Logic Block Diagram A0 A1 A2 A3 A4 A5 A6 A7 O3 A8 A9 A10 COLUMN ADDRESS POWER DOWN 7C293A O2 O1 ADDRESS DECODER O4 ROW ADDRESS PROGRAMMABLE ARRAY MULTIPLEXER O6 O7 Pin Configurations DIP Top View A7 A6 O5 A5 A4 A3 A2 A1 A0 O0 O1 O2 GND 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 VCC A8 A9 A10 CS1 CS2 CS3 O7 O6 O5 O4 O3 C291A-3 C291A-2 O0 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 LCC/PLCC (Opaque Only) Top View A4 A3 A2 A1 A0 NC O0 CS1 CS2 CS3 Window available on 7C291A and 7C293A only. C291A-1 Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600 March 1986 – Revised May 1993 CY7C291A CY7C292A/CY7C293A Selection Guide 7C291A-25 7C292A-25 7C293A-25 7C291AL-25 7C292AL-25 7C293AL-25 25 90 120 60 40 30 40 7C291A-35 7C292A-35 7C293A-35 7C291AL-35 7C292AL-35 7C293AL-35 35 90 90 60 30 40 7C291A-50 7C292A-50 7C293A-50 7C291AL-50 7C292AL-50 7C293AL-50 50 90 90 60 30 40 7C291A-20 7C292A-20 7C293A-20 Maximum Access Time (ns) Maximum Operating Current (mA) Standard Commercial Military L Standby Current (mA) 7C293A Only Commercial Commercial Military 20 120 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ...................................... −65°C to+150°C Ambient Temperature with Power Applied ................................................... −55°C to+125°C Supply Voltage to Ground Potential ..................−0.5V to+7.0V DC Voltage Applied to Outputs in High Z State ......................................................−0.5V to+7.0V DC Input Voltage .................................................−3.0V to +7.0V DC Program Voltage .....................................................13.0V UV Exposure.................................................7258 Wsec/cm2 Static Discharge Voltage............................................>2001V (per MIL-STD-883, Method 3015) Latch-Up Current ..................................................... >200 mA Operating Range Range Commercial Industrial[1] Military[2] Ambient Temperature 0°C to + 70°C −40°C to + 85°C −55°C to + 125°C VCC 5V ±10% 5V ±10% 5V ±10% Notes: 1. Contact a Cypress representative for industrial temperature range specifications. 2. TA is the “instant on” case temperature. 2 CY7C291A CY7C292A/CY7C293A Electrical Characteristics Over the Operating Range[3,4] 7C291A-20 7C292A-20 7C293A-20 Parameter VOH VOL VIH VIL IIX VCD IOZ IOS ICC Description Output HIGH Voltage Output LOW Voltage Input HIGH Voltage Input LOW Voltage Input Load Current Input Diode Clamp Voltage Output Leakage Current Output Short Circuit Current[5] VCC Operating Supply Current Standby Supply Current (7C293A Only) Programming Supply Voltage Programming Supply Current Input HIGH Programming Voltage Input LOW Programming Voltage 3.0 0.4 GND < VOUT < VCC, Output Disabled VCC = Max., VOUT = GND VCC = Max., IOUT = 0 mA VCC = Max., CS1 = VIH Com’l Mil Com’l Mil 12 13 50 3.0 0.4 12 40 −10 −20 +10 −90 120 −10 −20 Test Conditions VCC = Min., IOH = −4.0 mA VCC = Min., IOL = 16.0 mA Guaranteed Input Logical HIGH Voltage for All Inputs Guaranteed Input Logical LOW Voltage for All Inputs GND < VIN < VCC −10 2.0 Min. 2.4 0.4 VCC 0.8 +10 −10 2.0 Max. 7C291A-25 7C292A-25 7C293A-25 Min. 2.4 0.4 VCC 0.8 +10 Note 4 +10 −90 90 120 30 40 13 50 3.0 0.4 12 13 50 V mA V V 30 mA −10 −20 +10 −90 60 µA mA mA −10 2.0 Max. 7C291AL-25 7C292AL-25 7C293AL-25 Min. 2.4 0.4 VCC 0.8 +10 Max. Unit V V V V µA ISB VPP IPP VIHP VILP 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 CY7C291A CY7C292A/CY7C293A Electrical Characteristics Over the Operating Range[3,4] (continued) 7C291AL-35, 50 7C292AL-35, 50 7C293AL-35, 50 Parameter VOH VOL VIH VIL IIX VCD IOZ IOS ICC Description Output HIGH Voltage Output LOW Voltage Input HIGH Voltage Input LOW Voltage Input Load Current Input Diode Clamp Voltage Output Leakage Current Output Short Circuit Current[5] VCC Operating Supply Current GND < VOUT < VCC, Output Disabled VCC = Max., VOUT = GND VCC = Max., VIN = 2.0V IOUT=0 mA VCC = Max., CS1 =VIH Commercial Military Commercial Military 12 13 50 3.0 0.4 3.0 0.4 12 30 −10 −20 Test Conditions VCC = Min., IOH = −4.0 mA VCC = Min., IOL = 16.0 mA Guaranteed Input Logical HIGH Voltage for All Inputs Guaranteed Input Logical LOW Voltage for All Inputs GND < VIN < VCC −10 2.0 0.8 +10 Note 4 +10 −90 60 −10 −20 +10 −90 90 90 30 40 13 50 V mA V V mA µA mA mA −10 Min. 2.4 0.4 2.0 0.8 +10 Max. 7C291A-35, 50 7C292A-35, 50 7C293A-35, 50 Min. 2.4 0.4 Max. Unit V V V V µA ISB Standby Supply Current (7C293A Only) Programming Supply Voltage Programming Supply Current Input HIGH Programming Voltage Input LOW Programming Voltage VPP IPP VIHP VILP Capacitance[4] Parameter CIN COUT Description Input Capacitance Output Capacitance Test Conditions TA = 25°C, f = 1 MHz, VCC = 5.0V Max. 10 10 Unit pF pF 4 CY7C291A CY7C292A/CY7C293A AC Test Loads and Waveforms[4] 5V OUTPUT 30pF INCLUDING JIG AND SCOPE R2 167Ω R1250 Ω 5V OUTPUT 5 pF INCLUDING JIG AND SCOPE R2 167Ω R1250 Ω 3.0V GND < 5 ns ALL INPUT PULSES 90% 10% 90% 10% < 5 ns C291A-5 C291A-4 (a) Normal Load Equivalent to: THÉ VENIN EQUIVALENT 100Ω OUTPUT (b) High Z Load 2.0V C291A-6 VCC SUPPLY CURRENT A0 − A10 ADDRESS CS2 − CS3 CS1 tAA O0 - O7 tPD 50% tPU 50% tHZCS tACS C291A-7 Switching Characteristics Over the Operating Range[3, 4] 7C291A-25 7C292A-25 7C293A-25 7C291AL-25 7C292AL-25 7C293AL-25 Min. Max. 25 15 15 27 27 0 22 27 0 35 7C291A-35 7C292A-35 7C293A-35 7C291AL-35 7C292AL-35 7C293AL-35 Min. Max. 35 20 20 35 35 0 45 7C291A-50 7C292A-50 7C293A-50 7C291AL-50 7C292AL-50 7C293AL-50 Min. Max. 50 20 20 45 45 Unit ns ns ns ns ns ns ns 7C291A-20 7C292A-20 7C293A-20 Parameter tAA tHZCS1 tACS1 tHZCS2 tACS2 tPU tPD Description Address to Output Valid Chip Select Inactive to High Z Chip Select Active to Output Valid Chip Select Inactive to High Z (7C293A CS1 Only)[6] Chip Select Active to Output Valid (7C293A CS1 Only)[6] Chip Select Active to Power-Up (7C293A CS1 Only) Chip Select Inactive to Power-Down (7C293A CS1 Only) 0 Min. Max. 20 15 15 22 22 Notes: 6. tHZCS2 and tACS2 refer to 7C293A CS1 only. 5 CY7C291A CY7C292A/CY7C293A Erasure Characteristics 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. 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. 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. Programming Information 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 Mode Read Output Disable[8] Other A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 A10 − A0 CS3 PGM VIH X X VIL VILP VIHP VIHP VILP VIHP CS2 VFY VIH X VIL X VIHP VILP VIHP VIHP VILP CS1 VPP VIL VIH X X VPP VPP VPP VPP VPP O7 − O0 D7 − D0 O 7 − O0 High Z High Z High Z D7 − D0 O 7 − O0 High Z D7 − D0 Zeros Output Disable Output Disable Program Program Verify Program Inhibit Intelligent Program Blank Check Zeros 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 1 2 3 7C291A 4 7C292A 5 7C293A 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC A8 A9 A10 VPP VFY PGM D7 D6 D5 D4 D3 C291A-8 A4 A3 A2 A1 A0 NC D0 5 6 7 8 9 10 11 LCC/PLCC (Opaque Only) Top View 4 3 2 1 28 27 26 25 24 7C291A 23 22 21 7C293A 20 19 121314151617 18 A10 VPP VFY PGM NC D7 D6 C291A-9 Figure 1. Programming Pinouts 6 CY7C291A CY7C292A/CY7C293A Typical DC and AC Characteristics NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.6 1.4 1.1 1.2 1.0 1.0 0.8 0.6 4.0 TA =25 °C f = fMAX 4.5 5.0 5.5 6.0 0.9 0.6 TA =25°C 0.8 −55 25 125 0.4 4.0 4.5 5.0 5.5 6.0 0.8 1.0 1.2 NORMALIZED SUPPLY CURRENT vs. AMBIENT TEMPERATURE 1.2 NORMALIZED ACCESS TIME vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) AMBIENT TEMPERATURE (°C) SUPPLY VOLTAGE (V) C291A-10 NORMALIZED ACCESS TIME vs. TEMPERATURE 1.6 1.4 40 1.2 30 1.0 0.8 0.6 −55 125 20 10 0 25 AMBIENT TEMPERATURE(°C) 60 50 OUTPUT SOURCE CURRENT vs. VOLTAGE 30.0 25.0 20.0 15.0 10.0 5.0 0 1.0 2.0 3.0 4.0 0.0 TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING VCC =4.5V TA =25°C 0 200 400 600 800 1000 OUTPUT VOLTAGE (V) CAPACITANCE (pF) OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE 175 150 125 100 75 50 25 0 0.0 1.0 2.0 3.0 4.0 VCC =5.0V TA =25°C 1.02 1.00 0.98 0.96 0.94 0.92 0.90 0.88 I CC vs. CYCLE PERIOD VCC =5.5V TA =25°C 0 25 50 75 100 C291A-11 OUTPUT VOLTAGE (V) CYCLE PERIOD (ns) 7 CY7C291A CY7C292A/CY7C293A Ordering Information[9] Speed (ns) 20 ICC (mA) 120 Ordering Code CY7C291A-20JC CY7C291A-20PC CY7C291A-20SC CY7C291A-20WC 25 60 CY7C291AL-25JC CY7C291AL-25PC CY7C291AL-25WC 90 CY7C291A-25JC CY7C291A-25PC CY7C291A-25SC CY7C291A-25WC 120 CY7C291A-25DMB CY7C291A-25LMB CY7C291A-25QMB CY7C291A-25TMB CY7C291A-25WMB 30 120 CY7C291A-30DMB CY7C291A-30LMB CY7C291A-30QMB CY7C291A-30TMB CY7C291A-30WMB 35 60 CY7C291AL-35JC CY7C291AL-35PC CY7C291AL-35WC 90 CY7C291A-35SC CY7C291A-35PC CY7C291A-35WC 120 CY7C291A-35DMB CY7C291A-35LMB CY7C291A-35QMB CY7C291A-35TMB CY7C291A-35WMB Package Name J64 P13 S13 W14 J64 P13 W14 J64 P13 S13 W14 D14 L64 Q64 T73 W14 D14 L64 Q64 T73 W14 J64 P13 W14 S13 P13 W14 D14 L64 Q64 T73 W14 Package Type 28-Lead Plastic Leaded Chip Carrier 24-Lead (300-Mil) Molded DIP 24-Lead Molded SOIC 24-Lead (300-Mil) Windowed CerDIP 28-Lead Plastic Leaded Chip Carrier 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 28-Lead Plastic Leaded Chip Carrier 24-Lead (300-Mil) Molded DIP 24-Lead Molded SOIC 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead Windowed Cerpack 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead Windowed Cerpack 24-Lead (300-Mil) Windowed CerDIP 28-Lead Plastic Leaded Chip Carrier 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead Molded SOIC 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead Windowed Cerpack 24-Lead (300-Mil) Windowed CerDIP Military Commercial Commercial Military Military Commercial Operating Range Commercial 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) 50 ICC (mA) 60 Ordering Code CY7C291AL-50JC CY7C291AL-50PC CY7C291AL-50WC 90 CY7C291A-50SC CY7C291A-50PC CY7C291A-50WC 90 CY7C291A-50DMB CY7C291A-50LMB CY7C291A-50QMB CY7C291A-50TMB CY7C291A-50WMB 20 120 CY7C292A-20DC CY7C292A-20PC 25 120 CY7C292A-25DC CY7C292A-25PC CY7C292A-25DMB 30 35 120 60 90 CY7C292A-30DMB CY7C292AL-35PC CY7C292A-35DC CY7C292A-35PC 120 50 60 90 CY7C292A-35DMB CY7C292AL-50PC CY7C292A-50DC CY7C292A-50PC 120 20 120 CY7C292A-50DMB CY7C293A-20PC CY7C293A-20WC 25 120 CY7C293A-25PC CY7C293A-25WC CY7C293A-25DMB CY7C293A-25LMB CY7C293A-25QMB CY7C293A-25WMB Package Name J64 P13 W14 S13 P13 W14 D14 L64 Q64 T73 W14 D12 P11 D12 P11 D12 D12 P11 D12 P11 D12 P11 D12 P11 D12 P13 W14 P13 W14 D14 L64 Q64 W14 Package Type 28-Lead Plastic Leaded Chip Carrier 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead Molded SOIC 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead Windowed Cerpack 24-Lead (300-Mil) Windowed CerDIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (600-Mil) Molded DIP 24-Lead (600-Mil) CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead (300-Mil) Windowed CerDIP Military Commercial Military Commercial Military Commercial Commercial Military Military Commercial Commercial Commercial Commercial Military Commercial Operating Range Commercial 9 CY7C291A CY7C292A/CY7C293A Ordering Information[9] (Continued) Speed (ns) 30 ICC (mA) 120 Ordering Code CY7C293A-30DMB CY7C293A-30LMB CY7C293A-30QMB CY7C293A-30WMB 35 60 CY7C293AL-35PC CY7C293AL-35WC 90 CY7C293A-35PC CY7C293A-35WC 90 CY7C293A-35DMB CY7C293A-35LMB CY7C293A-35QMB CY7C293A-35WMB 50 60 CY7C293AL-50PC CY7C293AL-50WC 90 CY7C293A-50PC CY7C293A-50WC 90 CY7C293A-50DMB CY7C293A-50LMB CY7C293A-50QMB CY7C293A-50WMB Package Name D14 L64 Q64 W14 P13 W14 P13 W14 D14 L64 Q64 W14 P13 W14 P13 W14 D14 L64 Q64 W14 Package Type 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) Molded DIP 24-Lead (300-Mil) Windowed CerDIP 24-Lead (300-Mil) CerDIP 28-Square Leadless Chip Carrier 28-Pin Windowed Leadless Chip Carrier 24-Lead (300-Mil) Windowed CerDIP Military Commercial Commercial Military Commercial Commercial Operating Range Military 10 CY7C291A CY7C292A/CY7C293A MILITARY SPECIFICATIONS Group A Subgroup Testing DC Characteristics Parameter VOH VOL VIH VIL IIX IOZ ICC ISB[10] Subgroups 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 SMD Cross Reference SMD Number 5962-87650 5962-87650 5962-87650 5962-87650 5962-87650 5962-87650 5962-88680 5962-88680 5962-88680 5962-88680 Suffix 01KX 01LX 013X 03KX 03LX 033X 01LX 01KX 013X 02LX 02KX 023X 03LX 03KX 033X 04LX 04KX 043X 02JX 02KX 02LX 023X 03JX 03KX 03LX 033X 04JX 04KX 04LX 043X Cypress Number CY7C291-50TMB CY7C291-50WMB CY7C291-50QMB CY7C291-35TMB CY7C291-35WMB CY7C291-35QMB CY7C293A-50WMB CY7C293A-50TMB CY7C293A-50QMB CY7C293A-35WMB CY7C293A-35TMB CY7C293A-35QMB CY7C293A-30WMB CY7C293A-30TMB CY7C293A-30QMB CY7C293A-25WMB CY7C293A-25TMB CY7C293A-25QMB CY7C292A-45DMB CY7C291A-45KMB CY7C291A-45DMB CY7C291A-45LMB CY7C292A-35DMB CY7C291A-35KMB CY7C291A-35DMB CY7C291A-35LMB CY7C292A-25DMB CY7C291A-25KMB CY7C291A-25DMB CY7C291A-25LMB Switching Characteristics Parameter tAA tACS1[11] tACS2[10] Subgroups 7, 8, 9, 10, 11 7, 8, 9, 10, 11 7, 8, 9, 10, 11 5962-88680 5962-88680 5962-88680 5962-88680 5962-88680 5962-88680 5962-88680 5962-88680 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 5962-88734 Notes: 10. 7C293A only. 11. 7C291A and 7C292A only. Document #: 38-00075-G 11 CY7C291A CY7C292A/CY7C293A Package Diagrams 24-Lead (600-Mil) CerDIP D12 MIL-STD-1835 D- 3 Config.A 28-Square Leadless ChipCarrier L64 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.
CY7C291A-25WMB
1. 物料型号: - CY7C291A、CY7C292A、CY7C293A是高性能的2K字节x 8位CMOS PROM。 - 型号后缀如-20、-25、-35、-50表示不同的访问时间。

2. 器件简介: - 这些PROMs功能相同,但封装不同,包括300mil和600mil宽的塑料和陶瓷DIP封装。 - CY7C293A具有自动降低功耗功能,当未选中时降低超过70%的功耗。 - 300mil陶瓷封装可能配备有擦除窗口;通过紫外线照射可擦除并重新编程PROM。

3. 引脚分配: - 地址线A0-A10,芯片选择线CS1、CS2、CS3,数据输出线D0-D7,编程电压VPP等。

4. 参数特性: - 包括高速度(商用20ns/军用25ns)、低功耗(商用和军用660mW)、低待机功耗(商用和军用220mW)。 - EPROM技术100%可编程,5V±10%供电,TTL兼容I/O,可直接替换双极型PROM。 - 能够承受>2001V的静电放电。

5. 功能详解: - 通过将CS1置为低电平,CS2和CS3置为高电平来完成读取操作。 - 每个存储位置在封装前都经过100%测试,包括写入、擦除和重复操作。 - 每个PROM还经过AC性能测试,以确保满足DC和AC规范限制。

6. 应用信息: - 这些PROMs是双极型设备的插件替代品,具有低功耗、可重编程性、优越性能和编程产量的优势。

7. 封装信息: - 提供多种封装类型,包括塑料有引线芯片载体、模具DIP、窗式CerDIP、SOIC、无引线芯片载体和窗式无引线芯片载体等。
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