STK15C88-W45 Cypress Semiconductor Corp, STK15C88-W45 Datasheet
STK15C88-W45
Specifications of STK15C88-W45
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STK15C88-W45 Summary of contents
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... Document Number: 001-50593 Rev. *A 256 Kbit (32K x 8) PowerStore nvSRAM Functional Description The Cypress STK15C88 is a 256Kb fast static RAM with a nonvolatile element in each memory cell. The embedded nonvolatile elements incorporate QuantumTrap producing the world’s most reliable nonvolatile memory. The ...
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... AC Test Conditions ............................................................ 8 AC Switching Characteristics ........................................... 9 SRAM Read Cycle ........................................................ 9 Switching Waveforms ........................................................ 9 Switching Waveforms ......................................................10 AutoStore or Power Up RECALL ....................................11 Switching Waveforms ......................................................11 Software Controlled STORE/RECALL Cycle ..................12 Part Numbering Nomenclature ........................................13 Ordering Information ........................................................13 Package Diagrams ............................................................14 Sales, Solutions and Legal Information .........................16 Worldwide Sales and Design Support......................... 16 Products ...................................................................... 16 STK15C88 Page [+] Feedback ...
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... Deasserting OE HIGH causes the I/O pins to tristate. V Ground Ground for the Device. The device is connected to ground of the system Power Supply Power Supply Inputs to the Device. CC Document Number: 001-50593 Rev. *A Figure 1. Pin Diagram - 28-Pin SOIC Description STK15C88 Page [+] Feedback ...
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... RECALL request is latched. When V RESET once again exceeds the sense voltage of V cycle is automatically initiated and takes t If the STK15C88 WRITE state at the end of power up RECALL, the SRAM data is corrupted. To help avoid this situation Kohm resistor is connected either between WE and system V ...
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... STORE CAP SWITCH operations and SRAM WRITEs are inhibited. Noise Considerations The STK15C88 is a high speed memory. It must have a high frequency bypass capacitor of approximately 0.1 µF connected between V and V using leads and traces that are as short CC SS, as possible ...
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... L H Notes 1. The six consecutive addresses must be in the order listed. WE must be high during all six consecutive CE controlled cycles to enable a nonvolatile cycle. 2. While there are 15 addresses on the STK15C88, only the lower 14 are used to control software modes. Document Number: 001-50593 Rev – A ...
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... Max CC STORE IH IH – 0.2V). All others V < 0.2V or > Max, V < V < Max, V < V < > – STK15C88 ...................................–0.5V to Vcc + 0.5V 0-7 Ambient Temperature V CC 0°C to +70°C 4.5V to 5.5V -40°C to +85°C 4.5V to 5.5V Min Max Unit Commercial Industrial 100 ...
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... MHz 3 [4] Test Conditions Test conditions follow standard test methods and procedures for measuring thermal impedance, per EIA / JESD51. Figure 4. AC Test Loads R1 480Ω 5. 255Ω STK15C88 Min Unit 100 Years 1,000 K Max Unit 28-SOIC 28-SOIC Unit (300 mil) (330 mil) ° ...
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... WE must be HIGH during SRAM Read Cycles and LOW during SRAM WRITE cycles. 6. I/O state assumes CE and OE < V and WE > Measured ±200 mV from steady state output voltage. Document Number: 001-50593 Rev. *A Description ; device is continuously selected. IH STK15C88 Unit Min Max Min Max 25 ...
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... Address Setup to End of Write Address Setup to Start of Write Address Hold After End of Write Write Enable to Output Disable Output Active After End of Write SCE PWE t SD DATA VALID t HZWE HIGH IMPEDANCE SCE PWE t SD DATA VALID HIGH IMPEDANCE STK15C88 Unit Min Max Min Max ...
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... Low Voltage Reset Level RESET V Low Voltage Trigger Level SWITCH Switching Waveforms Note 10. t starts from the time V rises above V HRECALL CC Document Number: 001-50593 Rev. *A Description Figure 9. AutoStore/Power Up RECALL . SWITCH STK15C88 STK15C88 Unit Min Max μs 550 10 ms 3.6 V 4.0 4.5 V Page [+] Feedback ...
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... The software sequence is clocked on the falling edge of CE without involving OE (double clocking will abort the sequence). 12. The six consecutive addresses must be read in the order listed in the Mode Selection table. WE must be HIGH during all six consecutive cycles. Document Number: 001-50593 Rev. *A [11, 12 Description Min DATA VALID STK15C88 45 ns Unit Max Min Max μ [12 STORE RECALL HIGH IMPEDANCE ...
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... Part Numbering Nomenclature STK15C88 - Ordering Information These parts are not recommended for new designs. They are in production to support ongoing production programs only. Speed Ordering Code (ns) 25 STK15C88-NF25TR STK15C88-NF25 STK15C88-SF25TR STK15C88-SF25 STK15C88-NF25ITR STK15C88-NF25I STK15C88-SF25ITR STK15C88-SF25I 45 STK15C88-NF45TR STK15C88-NF45 STK15C88-SF45TR STK15C88-SF45 STK15C88-NF45ITR STK15C88-NF45I STK15C88-SF45ITR STK15C88-SF45I All parts are Pb-free ...
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... MOLD PROTRUSION/END FLASH SHALL NOT EXCEED 0.010 in (0.254 mm) PER SIDE 3. DIMENSIONS IN INCHES 4. PACKAGE WEIGHT 0.85gms * 0.394[10.01] 0.419[10.64] 0.026[0.66] 0.032[0.81] SEATING PLANE 0.092[2.33] 0.105[2.67] 0.004[0.10] * STK15C88 MIN. MAX. PART # S28.3 STANDARD PKG. SZ28.3 LEAD FREE PKG. 0.0091[0.23] 0.015[0.38] 0.0125[3.17] 0.050[1.27] 51-85026-*D 51 85127 *A Page ...
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... Package Diagrams (continued) Document Number: 001-50593 Rev. *A Figure 12. 28-Pin (330 mil) SOIC (51-85058) STK15C88 51-85058-*A Page [+] Feedback ...
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... Document History Page Document Title: STK15C88 256 Kbit (32K x 8) PowerStore nvSRAM Document Number: 001-50593 Orig. of Rev. ECN No. Change ** 2625096 GVCH/PYRS *A 2826441 GVCH Sales, Solutions and Legal Information Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at cypress ...