CY62256NLL-55SNXIT Cypress Semiconductor Corp, CY62256NLL-55SNXIT Datasheet
CY62256NLL-55SNXIT
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CY62256NLL-55SNXIT Summary of contents
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... Note 1. For best practice recommendations, do refer to the Cypress application note “System Design Guidelines” on http://www.cypress.com. Cypress Semiconductor Corporation Document Number: 001-06511 Rev. *D 256K (32K × 8) Static RAM Functional Description The CY62256N 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 tristate drivers ...
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Contents Product Portfolio .............................................................. 3 Pin Configurations ........................................................... 3 Maximum Ratings ............................................................. 4 Operating Range ............................................................... 4 Electrical Characteristics ................................................. 4 Capacitance ...................................................................... 4 Thermal Resistance .......................................................... 5 Data Retention Characteristics ....................................... 5 Switching Characteristics ................................................ 6 Switching Waveforms ...................................................... ...
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... Product Portfolio Product Min CY62256NLL Commercial 4.5 CY62256NLL Industrial CY62256NLL Automotive-A CY62256NLL Automotive-E Pin Configurations Figure 1. 28-pin DIP and Narrow SOIC Table 1. Pin Definitions Pin Number Type 1–10, 21, 23–26 Input 11–13, 15–19, Input/Output 27 Input/Control 20 Input/Control 22 Input/Control 14 Ground 28 Power Supply V Note 2 ...
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Maximum Ratings Exceeding maximum ratings may impair the useful life of the device. These user guidelines are not tested. Storage temperature ................................ –65 C to +150 C Ambient temperature with power applied ........................................... –55 C to +125 C Supply voltage ...
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Thermal Resistance [7] Parameter Description Thermal resistance JA (junction to ambient) Thermal resistance JC (junction to case) R1 1800 OUTPUT OUTPUT R2 100 pF 990 INCLUDING INCLUDING JIG AND SCOPE (a) Data Retention ...
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... L 13. The internal Write time of the memory is defined by the overlap of CE LOW and WE LOW. Both signals must be LOW to initiate a Write and either signal can terminate a Write by going HIGH. The data input setup and hold timing should be referenced to the rising edge of the signal that terminates the Write. ...
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... Address valid prior to or coincident with CE transition LOW. 19. The internal Write time of the memory is defined by the overlap of CE LOW and WE LOW. Both signals must be LOW to initiate a Write and either signal can terminate a Write by going HIGH. The data input setup and hold timing should be referenced to the rising edge of the signal that terminates the Write. ...
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Switching Waveforms (continued) Figure 9. Write Cycle No. 3 (WE Controlled, OE LOW) ADDRESS DATA I/O NOTE 25 t HZWE Notes 23. The minimum Write cycle time for Write Cycle #3 (WE controlled, OE LOW) is ...
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Typical DC and AC Characteristics NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.4 1 1.0 0 25C A 0.4 0 0.0 4.0 4.5 5.0 5.5 6.0 SUPPLY VOLTAGE (V) NORMALIZED ...
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Typical DC and AC Characteristics TYPICAL POWER-ON CURRENT vs. SUPPLY VOLTAGE 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.0 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) Truth Table Inputs/Outputs High ...
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... Speed (ns) Ordering Code 55 CY62256NLL55SNXI CY62256NLL55ZXI CY62256NLL55ZXA CY62256NLL55SNXE CY62256NLL55ZXE 70 CY62256NLL70PXC CY62256NLL70SNXC CY62256NLL70ZRXI CY62256NLL70SNXA Do contact your local Cypress sales representative for availability of these parts Ordering Code Definitions CY 62 256 XXX X Document Number: 001-06511 Rev. *D ...
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Package Diagrams Figure 10. 28-pin (600-Mil) Molded DIP, 51-85017 Figure 11. 28-pin (300-mil) SNC (Narrow Body), 51-85092 Document Number: 001-06511 Rev. *D CY62256N 51-85017 *D 51-85092 *C Page [+] Feedback ...
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Figure 12. 28-pin TSOP I (8 × 13.4 mm), 51-85071 Figure 13. 28-pin TSOP I (8 × 13.4 mm), 51-85074 Document Number: 001-06511 Rev. *D CY62256N 51-85071 *H 51-85074-*F Page [+] Feedback ...
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... Cypress against all charges. Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement ...