ST95040 ST Microelectronics, ST95040 Datasheet
ST95040
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ST95040 Summary of contents
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... Table 1. Signal Names C Serial Clock D Serial Data Input Q Serial Data Output S Chip Select W Write Protect HOLD Hold V Supply Voltage CC V Ground SS June 1998 ST95040 ST95020, ST95010 PSDIP8 (B) SO8 (M) 0.25mm Frame 150mil Width Figure 1. Logic Diagram ST950x0 W HOLD ...
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... ST95040, ST95020, ST95010 Figure 2A. DIP Pin Connections ST950x0 HOLD AI01436B Table 2. Absolute Maximum Ratings Symbol T Ambient Operating Temperature A T Storage Temperature STG T Lead Temperature, Soldering LEAD V Output Voltage O V Input Voltage with respect to Ground ...
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... Q output pin is at high imped- ance and, unless an internal write operation is underway the Memory will be in the standby power mode. S low enables the Memory, placing it in the active power mode. It should be noted that after ST95040, ST95020, ST95010 MSB SCK SDI SDO power-on, a high to low transition required prior to the start of any operation ...
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... WRITE Write Data to Memory Array Notes Upper page selected on ST95040 Lower page selected on ST95040. 8 4/18 operation invalid instruction is sent (one not contained in Table 3), the chip is automatically deselected. For operations that read or write data in the memory array, bit 3 of the instruction is the MSB of the address, otherwise don’ ...
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... WEL and WIP are valid and can be read. The values of BP1 and BP0 read at that time correspond to the previouscontents of the status register. The Write-In-Process (WIP) read-only bit indicates whether the Memory is busy with a write operation. ST95040, ST95020, ST95010 High Voltage Generator Data Register Status ...
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... Figure 6. Read Operation Sequence INSTRUCTION A8 D HIGH IMPEDANCE Q Notes ST95010 ST95020 only active on ST95040. Table 4. Write Protected Block Size Status Register Bits BP1 BP0 Write Status Register (WRSR) The WRSR instruction allows the user to select the size of protected memory ...
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... Figure 8. Byte Write Operation Sequence INSTRUCTION A8 D HIGH IMPEDANCE Q Notes ST95010 ST95020 only active on ST95040. ST95040, ST95020, ST95010 HIGH IMPEDANCE AI01441 BYTE ADDRESS ...
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... DATA BYTE Notes ST95010 ST95020 only active on ST95040. Figure 10. RDSR: Read Status Register Sequence HIGH IMPEDANCE Q 8/ BYTE ADDRESS ...
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... BP0, WEL and WIP. WIP is high during the self-timed write cycle. When the cycle is completed, the write enable latch is reset. Page Write Operation A maximum of 16 bytes of data may be written during one non-volatile write cycle. All 16 bytes ST95040, ST95020, ST95010 STATUS REG ...
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... ST95040, ST95020, ST95010 Figure 12. EEPROM and SPI Bus MASTER CS3 CS2 CS1 DATA PROTECTION AND PROTOCOL SAFETY – All inputs are protected against noise, see Table 6. – Non valid S and HOLD transitions are not taken into account. – S must come high at the proper clock count in ...
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... Output Low Voltage (W series) Output High Voltage ( Output High Voltage (W series) Notes: 1. The device meets output requirements for both TTL and CMOS standards. 2. Test performed at –40 to 125 C temperature range, grade 3. ST95040, ST95020, ST95010 Figure 13. AC Testing Input Output Wavef. to 0. 0.7V CC 0.2V CC ...
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... Low-Z HOLD Low to Output t t HLQZ HZ High Write Cycle Time W WP Notes 1/ Value guaranteed by characterization, not 100% tested in production. 12/18 ST95040 / 020 / 010 V = 4.5V to 5.5V 4.5V to 5.5V –40 to 125 – Min Max Min Max D ...
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... Figure 14. Serial Input Timing S tCHSL tSLCH C tDVCH MSB IN D HIGH IMPEDANCE Q Figure 15. Hold Timing HOLD ST95040, ST95020, ST95010 tCHSH tCHDX tCLCH LSB IN tDLDH tDHDL tHLCH tCLHL tHHCH tCLHH tHLQZ tHHQX tSHSL tSHCH tCHCL AI01447 AI01448 13/18 ...
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... ST95040, ST95020, ST95010 Figure 16. Output Timing S C tCLQX Q ADDR.LSB IN D 14/18 tCH tCLQV tCL tQLQH tQHQL tSHQZ LSB OUT AI01449B ...
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... Devices are shipped from the factory with the memory content set at all ”1’s” (FFh). For a list of available options (Operating Voltage, Package, etc...) or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. ST95040, ST95020, ST95010 W M ...
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... ST95040, ST95020, ST95010 PSDIP8 - 8 pin Plastic Skinny DIP, 0.25mm lead frame Symb Typ A 3.90 A1 0.49 A2 3.30 B 0.36 B1 1.15 C 0.20 D 9.20 E 7.62 E1 6.00 e1 2. Drawing is not to scale 16/18 mm Min Max Typ 5.90 – 5.30 0.56 1.65 0.36 9.90 – – 0.300 6.70 – – 0.100 – 10.00 3. inches ...
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... SO8 - 8 lead Plastic Small Outline, 150 mils body width Symb Typ A 1.35 A1 0.10 B 0.33 C 0.19 D 4.80 E 3.80 e 1.27 H 5.80 h 0. SO-a Drawing is not to scale ST95040, ST95020, ST95010 mm Min Max Typ 1.75 0.25 0.51 0.25 5.00 4.00 – – 0.050 6.20 0. inches Min Max 0.053 0.069 0.004 0.010 0.013 0.020 0.007 ...
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... ST95040, ST95020, ST95010 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...