CY7C187-15PC Cypress Semiconductor Corp, CY7C187-15PC Datasheet
CY7C187-15PC
Specifications of CY7C187-15PC
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CY7C187-15PC Summary of contents
Page 1
... The output pin stays in high-impedance state when Chip En- able (CE) is HIGH or Write Enable (WE) is LOW. The CY7C187 utilizes a die coat to insure alpha immunity. Pin Configurations ...
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... OUT V = Max OUT Max Max – 0.3V – 0. 0.3V IN Test Conditions T = 25° MHz 5. CY7C187 [2] .........................................–0.5V to +7.0V Ambient Temperature + 7C187-20 7C187-25, 35 Min. Max. Min. Max. 2.4 2.4 0.4 0.4 2 –0.5 0.8 –0.5 0.8 –5 +5 –5 +5 –5 +5 –5 +5 –350 –350 ...
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... R2 202 5 pF (R1 255 MIL) INCLUDING JIG AND SCOPE C187–4 (b) 1.73V [6] Description [7] [7, 8] [8] is less than t for any given device. HZCE LZCE CY7C187 ALL INPUT PULSES 3.0V 90% 90% 10% GND 5 ns 125 OUTPUT 1.90V Commercial 7C187-15 7C187-20 Min. Max. Min. Max ...
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... WE HIGH to Low LZWE t WE LOW to High Z HZWE Switching Waveforms [10, 11] Read Cycle No. 1 ADDRESS DATA OUT PREVIOUS DATA VALID Notes: 10 HIGH for read cycle. 11. Device is continuously selected Document #: 38-05044 Rev. ** [6] (continued) Description [7] [ OHA . IL CY7C187 7C187-25 7C187-35 Min. Max. Min. Max ...
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... If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state. Document #: 38-05044 Rev ACE 50 SCE PWE DATA VALID t HZWE SCE PWE t SD DATA VALID t HZCE DATA VALID LZWE HIGH IMPEDANCE HIGH IMPEDANCE CY7C187 HIGH IMPEDANCE ICC ISB C187–7 C187–8 C187–9 Page ...
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... OUTPUT VOLTAGE (V) OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE 140 120 100 = 125 0.0 1.0 2.0 OUTPUT VOLTAGE (V) NORMALIZED I vs.CYCLE TIME CC 1.25 V =5. = =0.5V CC 1.00 0.75 0.50 1000 CYCLE FREQUENCY (MHz) CY7C187 =5.0V =25 C 3.0 4.0 =5.0V 3.0 4.0 40 Page ...
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... A10 Y0 A11 Y4 A12 Y5 A13 X0 A14 X1 A15 X2 [14] Ordering Information Speed (ns) Ordering Code 15 CY7C187-15PC CY7C187-15VC 20 CY7C187-20PC CY7C187-20VC 25 CY7C187-25PC CY7C187-25VC 35 CY7C187-35PC CY7C187-35VC Note: 14. For military variations, see the CY7C187A datasheet. Document #: 38-05044 Rev. ** Truth Table Pin CE WE Number H X High Data Out Data In ...
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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. 22-Lead (300-Mil) Molded DIP P9 24-Lead (300-Mil) Molded SOJ V13 CY7C187 51-85012-A 51-85030-A Page ...
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... Document Title: CY7C187 64K x 1 Static RAM Document Number: 38-05044 Issue REV. ECN NO. Date ** 107146 09/10/01 Document #: 38-05044 Rev. ** Orig. of Change Description of Change SZV Change from Spec number: 38-00038 to 38-05044 CY7C187 Page ...