CY7C197B-25PC Cypress Semiconductor Corporation., CY7C197B-25PC Datasheet
CY7C197B-25PC
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CY7C197B-25PC Summary of contents
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... The device features an automatic power-down feature that significantly reduces power consumption when deselected. See the Truth Table in this data sheet for a complete description of read and write modes. The CY7C197B is available in 24 DIP and 24 SOJ package(s). Input Buffer RAM Array ...
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... Dout GND 12 13 CY7C197B Din ...
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... H X High Data Out L L Data In Document #: 38-05410 Rev. ** Description 15, 16, 17, 18, 19, 20, 21, 22, Mode Deselect/Power-Down Read Write CY7C197B DIP SOJ 15, 16, 17, 18, 19, 20, 21, 22 Power ...
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... V – – 0. < 0.3v Output Disabled – –5 CC Conditions T = 25C MHz 5.0V CC CY7C197B Value Unit –65 to +150 °C –55 to +125 °C –0.5 to +7.0 V –0 0 > 2001 V > 200 mA Voltage Range ( 5.0V ± 10% ...
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... Nom 480 255 480 255 167 1.73 Conditions Still Air, soldered × 4.5 square inches, two-layer printed circuit board /I and 30-pF load capacitance CY7C197B Output Loads for & t HZOE HZCE HZWE (B)* 90% 10% Fall Time ...
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... HZCE LZCE HZOE LZOE CY7C197B 25 ns Min Max Unit 25 – ns – – ns – – ns – – ns – – ...
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... Address CE High Z Data Out I CC Vcc Supply Current I SB Notes HIGH for ready cycle. 9. Device is continuously selected Document #: 38-05410 Rev OHA ACE t LZCE Data Valid t PU 50% CY7C197B Data Valid t HZCE High 50% Page [+] Feedback ...
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... If CE goes HIGH simultaneously with WE HIGH, the output remains in high-impedance state. Document #: 38-05410 Rev SCE PWE Data Valid t t LZWE HZWE High Impedance SCE PWE t SD Data Valid High Z CY7C197B Page [+] Feedback ...
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... Ordering Code 12 ns CY7C197B-12VC 25 ns CY7C197B-25PC Package Diagram All product and company names mentioned in this document may be the trademarks of their respective holders. Document #: 38-05410 Rev. ** © Cypress Semiconductor Corporation, 2003. 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 ...
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... Document History Page Document Title: CY7C197B 256 Kb (256K x 1) Static RAM Document Number: 38-05410 REV. ECN No. Issue Date ** 129235 09/16/03 Document #: 38-05410 Rev. ** Orig. of Change Description of Change HGK New Data Sheet CY7C197B Page [+] Feedback ...