CY62256-70SNCT Cypress Semiconductor Corp, CY62256-70SNCT Datasheet
CY62256-70SNCT
Specifications of CY62256-70SNCT
Related parts for CY62256-70SNCT
CY62256-70SNCT Summary of contents
Page 1
... Document #: 38-05248 Rev. *F 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 Tri-state drivers. This device has an ...
Page 2
... OE. Output Enable. Controls the direction of the I/O pins. When LOW, the I/O pins behave as outputs. When deasserted HIGH, I/O pins are Tri-stated, and act as input data pins GND. Ground for the device . Power supply for the device CC CY62256 Power Dissipation Operating, I Standby SB2 (mA) (µ ...
Page 3
... CC [4] Ambient Temperature ( ° ° 5V ± 10 +70 C ° ° 5V ± 10% – +85 C ° ° 5V ± 10% – +125 C CY62256−70 [2] [2] Max. Min. Typ. Max. Unit 2.4 0.4 0 +0.5V +0.5V 0.8 –0.5 0.8 +0.5 –0.5 +0.5 +0.5 –0.5 +0.5 ...
Page 4
... OUTPUT 1.77V [6] Conditions − 0.3V 2.0V, CE > − 0.3V > Com’ Ind’ Auto DATA RETENTION MODE V > CC(min CDR CY62256 ALL INPUT PULSES 90% 90% 10% 10% < [2] Min. Typ. Max. Unit 2.0 V µ < 0.3V µA 0.1 5 µA 0.1 10 µA 0 ...
Page 5
... The minimum Write cycle time for Write Cycle #3 (WE controlled, OE LOW) is the sum of t Document #: 38-05248 Rev. *F [7] CY62256−55 Description Min [ [ [ less than less than t , and t HZCE LZCE HZOE LZOE and t HZWE CY62256 CY62256−70 Max. Min. Max. Unit ...
Page 6
... If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state. 17. During this period, the I/Os are in output state and input signals should not be applied. Document #: 38-05248 Rev. *F [12, 13 OHA DOE DATA VALID 50 PWE t SD DATA VALID IN CY62256 DATA VALID t HZOE t HZCE HIGH IMPEDANCE t PD ICC 50% ISB Page [+] Feedback ...
Page 7
... Switching Waveforms (continued) [10, 15, 16] Write Cycle No. 2 (CE Controlled) ADDRESS CE WE DATA I/O Write Cycle No. 3 (WE Controlled, OE LOW) ADDRESS DATA I/O NOTE 17 t HZWE Document #: 38-05248 Rev SCE DATA VALID IN [11, 16 DATA VALID IN CY62256 LZWE Page [+] Feedback ...
Page 8
... AMBIENT TEMPERATURE (°C) OUTPUT SOURCE CURRENT vs. OUTPUT VOLTAGE 120 100 5. 25° 0.0 1.0 2.0 3.0 4.0 OUTPUT VOLTAGE (V) CY62256 CURRENT STANDBY vs. AMBIENT TEMPERATURE 3.0 2.5 2 1.5 1.0 0 5. 5.0V IN − 105 AMBIENT TEMPERATURE (°C) OUTPUT SINK CURRENT vs ...
Page 9
... TYPICAL ACCESS TIME CHANGE vs. OUTPUT LOADING 30.0 25.0 20.0 15 4.5V 10 25°C A 5.0 0.0 0 200 400 600 800 1000 CAPACITANCE (pF) Mode Deselect/Power-down Read Write Output Disabled CY62256 NORMALIZED I vs. CYCLE TIME CC 1.25 V =5. 5° 0.5V IN 0.75 0. CYCLE FREQUENCY (MHz) Power Standby ( Active (I ...
Page 10
... CY62256LL−70PC CY62256LL−70PXC CY62256L−70SNC CY62256L−70SNXC CY62256LL−70SNC CY62256LL−70SNXC CY62256LL−70ZC CY62256LL−70ZXC CY62256L–70SNI CY62256L–70SNXI CY62256LL−70SNI CY62256LL−70SNXI CY62256LL−70ZXI CY62256LL−70ZRI CY62256LL−70ZRXI Please contact your local Cypress sales representative for availability of these parts Document #: 38-05248 Rev ...
Page 11
... SNC (Narrow Body) (51-85092) Document #: 38-05248 Rev 0.530 0.550 28 0.070 0.090 SEATING PLANE 1.380 1.480 0.140 0.195 0.015 0.060 0.055 0.014 0.065 0.022 CY62256 MIN. DIMENSIONS IN INCHES MAX. REFERENCE JEDEC Ms-020 0.600 0.625 0.009 3° MIN. 0.012 0.610 0.700 51-85017-*B 51-85092-*B Page [+] Feedback ...
Page 12
... Package Diagrams (continued) 28-pin Thin Small Outline Package Type 13.4 mm) (51-85071) Document #: 38-05248 Rev. *F CY62256 51-85071-*G Page [+] Feedback ...
Page 13
... The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. CY62256 51-85074-*F ...
Page 14
... Corrected package description in Ordering Information table Added Automotive product information Added Pb-free packages on page# 10 Changed address of Cypress Semiconductor Corporation on Page# 1 from “3901 North First Street” to “198 Champion Court” Added CY62256L–70SNXI package in the Ordering Information on Page # 10 Updated Ordering Information table CY62256 Page [+] Feedback ...