CY7C185-20SC Cypress Semiconductor Corporation., CY7C185-20SC Datasheet
CY7C185-20SC
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CY7C185-20SC Summary of contents
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... CMOS for optimum speed/power • Easy memory expansion with • TTL-compatible inputs and outputs • Automatic power-down when deselected Functional Description The CY7C185 is a high-performance CMOS static RAM orga- nized as 8192 words by 8 bits. Easy memory expansion is Logic Block Diagram INPUT BUFFER ...
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... Max Min. Duty Cycle=100% Max – 0.3V 0. – CY7C185 Ambient Temperature + 10% – + 10% 7C185–15 7C185–20 Min. Max. Min. Max. Unit 2.4 2.4 V 0.4 0 2.2 V ...
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... 0. – Test Conditions MHz 5. 481 5V 3. GND 255 JIGAND SCOPE C185–4 (b) 1.73V 3 CY7C185 7C185–25 7C185-35 Min. Max. Min. Max. 2.4 2.4 0.4 0 0.3V 0.3V –0.5 0.8 –0.5 0.8 –5 +5 –5 +5 –5 +5 –5 +5 –300 – ...
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... AC Test Loads. Transition is measured 500 mV from steady state voltage less than t and t for any given device. HZCE LZCE1 LZCE2 LOW, CE HIGH, and WE LOW. All 3 signals must be active to initiate a write and either CY7C185 7C185–25 7C185–35 Max. Min. Max. Min. Max ...
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... LOW, CE HIGH and WE LOW going HIGH or CE going LOW. The data input set-up and hold timing should be referenced to the CY7C185 DATA VALID C185–6 t HZOE t HZCE HIGH IMPEDANCE t PD ICC 50% ISB C185– ...
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... LOW simultaneously with WE HIGH, the output remains in a high-impedance state SCE1 SCE2 DATA VALID IN [12,13,14,15 SCE1 t SCE2 DATA IN HZWE 6 CY7C185 VALID t LZWE and C185–9 C185–10 ...
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... AMBIENT TEMPERATURE ( C) TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING 30.0 25.0 20.0 15.0 10.0 V =4. = 5.0 0.0 0 200 400 600 800 1000 CAPACITANCE (pF) 7 CY7C185 OUTPUT SOURCE CURRENT vs. OUTPUT VOLTAGE 120 100 80 V =5. = 0.0 1.0 2.0 3.0 4.0 OUTPUT VOLTAGE (V) OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE 140 120 ...
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... CY7C185–15VC CY7C185–15VI 20 CY7C185–20PC CY7C185–20SC CY7C185–20VC CY7C185–20VI 25 CY7C185–25PC CY7C185–25SC CY7C185–25VC CY7C185–25VI 35 CY7C185–35PC CY7C185–35SC CY7C185–35VC CY7C185–35VI Document #: 38–00037–K Mode Deselect/Power-Down Deselect/Power-Down Read Write Deselect Name Package Type P21 ...
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... Package Diagrams 28-Lead (300-Mil) Molded DIP P21 28-Lead (300-Mil) Molded SOIC S21 9 CY7C185 51-85014-B 51-85026-A ...
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... 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. 28-Lead (300-Mil) Molded SOJ V21 CY7C185 51-85031-B ...