X25128S Xicor, X25128S Datasheet
X25128S
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X25128S Summary of contents
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... X25128 disabling all write attempts to the status register, thus providing a mech- anism for limiting end user capability of altering 0, 1/4, 1/2 or all of the memory. The X25128 utilizes Xicor’s proprietary Direct Write™ cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. WRITE ...
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X25128 PIN DESCRIPTIONS Serial Output (SO push/pull serial data output pin. During a read cycle, data is shifted out on this pin. Data is clocked out by the falling edge of the serial clock. Serial Input (SI) ...
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X25128 PRINCIPLES OF OPERATION 2 The X25128 PROM designed to inter- face directly with the synchronous serial peripheral interface (SPI) of many popular microcontroller fami- lies. The X25128 contains an 8-bit instruction register. It ...
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X25128 Write-Protect Enable The Write-Protect-Enable (WPEN) is available for the X25128 as a nonvolatile enable bit for the WP pin. Protected Unprotected WPEN WP WEL Blocks Protected Protected Protected 1 Low 0 Protected Protected ...
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X25128 be low when HOLD is first pulled low and SCK must also be low when HOLD is released. The HOLD input may be tied high either directly tied to V through a resistor. CC Operational Notes ...
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X25128 Figure 3. Write Enable Latch Sequence CS SCK SI SO Figure 4. Byte Write Operation Sequence SCK INSTRUCTION SI HIGH IMPEDANCE HIGH IMPEDANCE 20 ...
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X25128 Figure 5. Page Write Operation Sequence SCK INSTRUCTION SCK DATA BYTE Figure 6. Write Status Register Operation ...
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X25128 ABSOLUTE MAXIMUM RATINGS* Temperature under Bias ................... – +135 C Storage Temperature........................ – +150 C Voltage on any Pin with Respect to V .................................... –1V to +7V SS D.C. Output Current ..............................................5mA Lead Temperature (Soldering, ...
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X25128 EQUIVALENT A.C. LOAD CIRCUIT 5V 1.44K OUTPUT OUTPUT 1.95K 100pF A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified.) Data Input Timing Symbol f Clock Frequency SCK t Cycle Time CYC t CS Lead Time LEAD t CS ...
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X25128 Serial Output Timing CS SCK MSB OUT ADDR SI LSB IN Serial Input Timing CS t LEAD SCK MSB IN HIGH IMPEDANCE CYC MSB–1 OUT t t ...
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X25128 Hold Timing CS SCK SO SI HOLD Symbol Table WAVEFORM INPUTS OUTPUTS Must be Will be steady steady May change Will change from LOW from LOW to HIGH May change Will change from HIGH from HIGH to LOW to ...
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X25128 PACKAGING INFORMATION 8-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P HALF SHOULDER WIDTH ON ALL END PINS OPTIONAL 0.015 (0.38) MAX. TYP . 0.010 (0.25) NOTE: 1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 2. PACKAGE DIMENSIONS EXCLUDE MOLDING ...
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X25128 PACKAGING INFORMATION 14-LEAD PLASTIC SMALL OUTLINE GULLWING PACKAGE TYPE S PIN 1 INDEX PIN 1 0.014 (0.35) 0.020 (0.51) (4X) 7 0.050 (1.27) 0.010 (0.25 0.020 (0.50) 0 – 8 0.016 (0.410) 0.037 (0.937) NOTE: ALL DIMENSIONS ...
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X25128 PACKAGING INFORMATION 16-LEAD PLASTIC SMALL OUTLINE GULL WING PACKAGE TYPE S PIN 1 INDEX PIN 1 (4X) 7 0.050 (1.27) 0.010 (0.25) 0.020 (0.50) 0 – 8 0.016 (0.410) 0.037 (0.937) 0.014 (0.35) 0.020 (0.51) 0.386 (9.80) 0.394 (10.01) ...
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... Xicor, Inc. makes no warranty of merchantability or fitness for any purpose. Xicor, Inc. reserves the right to discontinue production and change specifications and prices at any time and without notice. Xicor, Inc. assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xicor, Inc. product. No other circuits, patents, licenses are implied. ...