X25F128S Xicor, X25F128S Datasheet
X25F128S
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X25F128S Summary of contents
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... SO COMMAND AND CONTROL SCK CS HOLD PP SerialFlash™ and Block Lock™ Protection are trademarks of Xicor, Inc. © Xicor, Inc. 1995, 1996 Patents Pending 6829-1.9 4/7/97 T3/C0/D0 SH X25F128 DESCRIPTION The X25F128 is a 131,072-bit CMOS SerialFlash memory, internally organized 16K features a “Univolt” Program and Read voltage, Serial Peripheral Interface (SPI), and software protocol allowing operation on a simple three-wire bus ...
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X25F128 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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X25F128 PRINCIPLES OF OPERATION The X25F128 is a SerialFlash Memory designed to interface directly with the synchronous serial periph- eral interface (SPI) of many popular microcontroller families. The X25F128 contains an 8-bit instruction register accessed via the SI ...
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X25F128 Locked Unlocked PPEN PP PEL Blocks Blocks Locked Locked Locked Programmable Programmable 1 LOW 0 Locked Locked 1 LOW 1 Locked Programmable X HIGH 0 Locked Locked X HIGH 1 Locked Programmable Programmable ...
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X25F128 Operational Notes The device powers-up in the following state: • The device is in the low power standby state. • A HIGH to LOW transition required to enter an active state and receive an instruction. • ...
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X25F128 Figure 3. Program Enable Latch Sequence CS SCK INSTRUCTION HIGH IMPEDANCE 6 6829 ILL F05.1 ...
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X25F128 Figure 4. Programming Sequence SCK INSTRUCTION SCK DATA BYTE Figure 5. Program Status Register Operation Sequence CS ...
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X25F128 ABSOLUTE MAXIMUM RATINGS* Temperature Under Bias .................. – +135 C Storage Temperature ....................... – +150 C Voltage on any Pin with Respect to V D.C. Output Current ............................................. 5mA Lead Temperature (Soldering, 10 Seconds) ............................. ...
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X25F128 EQUIVALENT A.C. LOAD CIRCUIT 2.7V 1.64K 1.44K OUTPUT OUTPUT 4.63K 100pF 1.95K A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified) Data Input Timing Symbol Parameter f Clock Frequency SCK t Cycle Time CYC CS Lead Time t LEAD ...
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X25F128 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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X25F128 Hold Timing CS SCK SO SI HOLD 6829 ILL F12 11 ...
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X25F128 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 FLASH ...
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X25F128 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) NOTE: ALL DIMENSIONS IN INCHES (IN ...
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... LIMITED WARRANTY Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc. makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. ...