CY62256 Cypress Semiconductor, CY62256 Datasheet
CY62256
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CY62256 Summary of contents
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... Document #: 38-05248 Rev. *B 256K (32K x 8) Static RAM Functional Description The CY62256 is a high-performance CMOS static RAM organized as 32K words by 8 bits. Easy memory expansion is provided by an active LOW chip enable (CE) and active LOW output enable (OE) and three-state drivers. This device has an ...
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... [2] ................................ –0. Ambient Temperature +70 C – +85 C CY62256 55 CY62256 70 [3] [3] Min. Typ. Max. Min. Typ. 2.4 2.4 0.4 2.2 V 2.2 CC +0.5V –0.5 0.8 –0.5 –0.5 +0.5 –0.5 –0.5 +0.5 –0 0 ...
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... Equivalent to: THÉ VENIN EQUIVALENT 639 OUTPUT Conditions 3.0V, CE > > V 0.3V Ind’l DATA RETENTION MODE 3.0V V > CDR CY62256 CY62256 55 CY62256 70 [3] [3] Min. Typ. Max. Min. Typ 0.1 5 0.1 0.1 10 0.1 Max ALL INPUT PULSES 3.0V 90% 10% GND < ...
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... OHA is less than less than t HZCE LZCE HZOE = ( Test Loads. Transition is measured 500 mV from steady-state voltage. L HZWE . IL CY62256 55 CY62256 70 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 #: 38-05248 Rev ACE t DOE t LZOE 50% [9, 14, 15 PWE t SD DATA IN [9, 14, 15 SCE DATA t HZOE t HZCE DATA VALID VALID VALID IN CY62256 HIGH IMPEDANCE ICC ISB Page ...
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... Write Cycle No. 3 (WE Controlled, OE LOW) ADDRESS DATA I/O NOTE 16 Note: 16. During this period, the I/Os are in output state and input signals should not be applied. Document #: 38-05248 Rev. *B [10, 15 DATA t HZWE VALID IN t LZWE CY62256 Page ...
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... OUTPUT VOLTAGE 120 100 = 0.0 1.0 2.0 3.0 OUTPUT VOLTAGE (V) CURRENT STANDBY vs. AMBIENT TEMPERATURE 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -0 125 AMBIENT TEMPERATURE ( C) OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE 140 120 100 125 0.0 1.0 2.0 OUTPUT VOLTAGE (V) =5.0V 4.0 CY62256 =5. =5.0V IN 105 =5.0V =25 C 3.0 4.0 Page ...
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... Ordering Information Speed (ns) Ordering Code 55 CY62256LL 55SNI CY62256LL 55ZI 70 CY62256 70SNC CY62256L 70SNC CY62256LL 70SNC CY62256L–70SNI CY62256LL 70SNI CY62256LL 70ZC CY62256LL 70ZI CY62256 70PC CY62256L 70PC CY62256LL 70PC CY62256LL 70ZRI Document #: 38-05248 Rev. *B (continued) TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING 30.0 25.0 20.0 15.0 V =4.5V 10.0 ...
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... Package Diagrams Document #: 38-05248 Rev. *B 28-lead (600-mil) Molded DIP P15 28-lead (300-mil) SNC (Narrow Body) SN28 CY62256 51-85017-A 51-85092-*B Page ...
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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. CY62256 51-85071-*G ...
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... Document Title: CY62256 256K (32K x 8) Static RAM Document Number: 38-05248 Issue REV. ECN NO. Date ** 113454 03/06/02 *A 115227 05/23/02 *B 116506 09/04/02 Document #: 38-05248 Rev. *B Orig. of Change MGN Change from Spec number: 38-00455 to 38-05248 Remove obsolete parts from ordering info, standardize format GBI Changed SN Package Diagram GBI Added footnote 1 ...